Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Session Overview |
Date: Monday, 18/Mar/2024 | |||||
9:00am - 1:00pm |
Registration: Registration Location: G22 Foyer |
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11:00am - 12:30pm |
PreGAMM: How to GAMM Location: G22/020 |
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1:00pm - 2:00pm |
Opening: Opening Location: G26/H1 |
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2:00pm - 3:00pm |
PML: Prandtl Memorial Lecture: Laurette Tuckerman (Sorbonne U) Location: G26/H1 Chair: Dominique Thévenin Turbulent-laminar patterns |
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3:00pm - 4:00pm |
PL1: "Nonlocal interaction problems with anisotropy" Maria Giovanna Mora (U Pavia) Location: G26/H1 Chair: Sergio Conti Nonlocal interaction problems with anisotropy |
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4:00pm - 4:30pm |
Coffee Break |
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4:30pm - 6:30pm |
YRM1: Mechanics and Mathematics of Sea Ice Location: G22/020 Chair: Carolin Mehlmann Recent results in the mathematical analysis of Hibler's sea ice model 4:50pm - 5:10pm Advancements in sea ice dynamics modeling based on a mixed least-squares Finite Element study with non-conforming stress approximation 5:10pm - 5:30pm Comparing heterogeneity and Linear Kinematic Features in sea ice models with Viscous-Plastic and Maxwell Elasto-Brittle rheologies 5:30pm - 5:50pm Simulating Sea Ice Faster with GPUs 5:50pm - 6:10pm A model for ice-mélange based on particle and continuums mechanics 6:10pm - 6:30pm Modelling freezing and BioGeoChemical processes in Antarctic Sea Ice |
YRM2: Dynamical low-rank approximation Location: G22/013 Chair: Dominik Sulz Chair: Jonas Kusch Dynamical low-rank based optimisation for computing eigenvalues in nuclear engineering 4:50pm - 5:10pm Multi-level dynamical low-rank approximation for grid-based radiation dose calculations 5:10pm - 5:30pm Multi-scale simulations of thermal radiative transfer equations using dynamical low-rank approximation 5:30pm - 5:50pm Projected exponential methods for stiff dynamical low-rank approximation problems 5:50pm - 6:10pm Memory and time efficient neural network training via dynamical low-rank approximation 6:10pm - 6:30pm On dynamical low-rank approximation for the Su-Olson problem |
YRM3: Dynamical Systems: Discretization, model reduction and learning Location: G22/H2 Chair: Idoia Cortes Garcia Chair: Katharina Klioba Chair: Manuel Schaller An operator-theoretic view on discretisation of random evolution equations 4:50pm - 5:10pm Dynamic Control of a Soft Robot: Combining Data and Model 5:10pm - 5:30pm Error bounds for Koopman-based control 5:30pm - 5:50pm Index aware learning of differential algebraic equations 5:50pm - 6:10pm Model reduction on manifolds: a differential geometric framework 6:10pm - 6:30pm Stability and robustness in data-driven predictive control |
YRM4: Model update and parameter identification Location: G16/H5 Chair: Alexander Henkes Chair: Henning Wessels Utilising Closely Spaced Modes of Tower Structures for Damage Localisation using Multi-Objective Model Updating 4:50pm - 5:10pm Uncertainty quantification for two-step model calibration using least-squares and Bayesian inference 5:10pm - 5:30pm Probabilistic parameter identification of a rate-dependent constitutive model for porcine stomach tissue 5:30pm - 5:50pm Aspects of parameter identification in thermoplasticity 5:50pm - 6:10pm Optimization of the specimen geometry for one‑shot discovery of material models 6:10pm - 6:30pm An extension of the Dynamic Regressor Extension and Mixing approach for real-time parameter estimation |
YRM5: Computational Mechanics of Active Biological Systems Location: G26/H1 Chair: Lena Lambers Chair: Sebastian Brandstäter Aneurysm treatment: About in silico device insertion, a porous media surrogate and LBM Bloodflow simulations 4:50pm - 5:10pm Microstructure-informed regional constitutive modeling of human brain tissue 5:10pm - 5:30pm Modelling muscle-actuated motion: Benefits for internal mechanics, optimization and learning 5:30pm - 5:50pm Modelling of micro crack healing in flexoelectric bones 5:50pm - 6:10pm Stabilized Finite Element Simulation to Determine Washout in The Left Ventricle with Implanted Left Ventricular Assist Device 6:10pm - 6:30pm Constitutive modeling of active skeletal muscle in a continuum-mechanical model of the human shoulder |
7:00pm - 10:00pm |
Welcome Reception: Welcome Reception Location: Johanniskirche |
Date: Tuesday, 19/Mar/2024 | |||
8:30am - 10:30am |
S02.01: Bone and aneurysms Location: G22/111 Chair: Kevin Linka Finite Element Modelling of Concentrated Impact Loads on the Masticatory Muscles at the Head 8:50am - 9:10am Identifying a suitable material model to simulate the implantation process of endoprostheses into human bone 9:10am - 9:30am On the application of the Finite Cell Method to static analysis of trabecular bone tissue specimen using high-resolution microCT data 9:50am - 10:10am Numerical simulation of individualized flow diversion cerebral aneurysms treatment 10:10am - 10:30am Sensitivity study of a computational model for endovascular coil deployment in cerebral aneurysms |
S03.01: Damage and fracture mechanics 1 Location: G22/013 Chair: Tim Brepols A comparison of micromorphic gradient-extensions for anisotropic damage 8:50am - 9:10am Model order reduction for problems involving gradient-extended damage and plasticity 9:10am - 9:30am A gradient-extended two-surface damage-plasticity model based on the star-convex decomposition of the strain energy 9:30am - 9:50am Theoretical and Applied Strategies for Numerical Damage Optimisation 9:50am - 10:10am An implicit gradient-enhanced microplane damage material model in the coupled implicit MPM-FEM |
S04.01: Various topics in Structural mechanics Location: G26/H1 Chair: Sven Klinkel Remeshing in the Finite Cell Method for different types of geometry descriptions 8:50am - 9:10am Immersed isogeometric analysis with boundary-conformal quadrature for large deformation problems 9:10am - 9:30am On the importance of exact geometry representation for shell geometries with highly changing curvature 9:30am - 9:50am A scaled boundary shell formulation in isogeometric analysis for static and dynamic analysis 9:50am - 10:10am The Mixed Displacement Method to Avoid Shear Locking in Problems in Elasticity 10:10am - 10:30am Simulation of Axisymmetric Problems Using the Petrov-Galerkin Finite Element Method |
S05.01: Oscillations (1) Location: G22/217 Chair: Merten Stender Focus: Experimental Aspects
Experimental nonlinear modal analysis: its potential and recent advancements 9:10am - 9:30am Modal Analysis and Modal Damping of MIKOTA's Vibration Chain 9:30am - 9:50am Experimental analysis of oscillations of a rotor supported by gas foil bearings. 9:50am - 10:10am Inductive mode selective damping of structural vibrations |
S06.2.01: Various topics in Material modelling with non-metals Location: G16/H5 Chair: Loredana Kehrer Chair: Alexander Lion Multistage parameter identification of a finite-strain viscoelastic-viscoplastic material model for biobased thermosets 8:50am - 9:10am Frequency domain analysis of viscoelastic elastomer blends considering interfacial transition zones 9:10am - 9:30am Experimental analysis of a beam with a 2D triangular substructure 9:30am - 10:10am Material Plasticity - Development of the material stiffness in fiber-reinforced materials with large plastic deformations |
S07.01: Phase-field models Location: G16/215 Chair: Maximilian Reichel Chair: Andreas Krischok A Framework Incorporating Rate-Independence in Phase-Field Modeling with Application to Hysteretic Effects in Shape Memory Alloys 8:50am - 9:10am Modeling of interface elasticity within Allen-Cahn type phase field theory 9:10am - 9:30am A coupled approach for generalized hyperelastic continua and phase fields 9:30am - 9:50am FE-Implementation and Application of a Fully Coupled Chemo-Mechanical Phase-Field Model 9:50am - 10:10am On the behaviour of a phase field model for wetting on sinusoidally shaped surfaces 10:10am - 10:30am Phase separation in metal hydrogen systems predicted by Cahn-Hilliard type phase-field simulations |
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S08.01: Material Modeling Location: G16/054 Chair: Lisa Scheunemann Numerical multiphase yield design modelling of reinforced soil structures: a focus on the interaction between soil and inclusions 8:50am - 9:10am Comparative Analysis of Fracture Simulation Methods in Finite Element Models for Multiphase Materials and Multiscale applications 9:10am - 9:30am Analytical strain localization for inhomogenous eigenstrains in lamellar materials 9:30am - 9:50am Numerical polyconvexification of isotropic damage 9:50am - 10:10am Morphology-Based Homogenization of Thermodynamic Driving Forces and Mechanical Properties in Phase Transforming Materials 10:10am - 10:30am Rate-dependent effects in micromechanical constitutive multiscale modeling of ferroelectrics |
S09.01: Various topics in Laminar flows and transition Location: G22/216 Chair: Olaf Wünsch Application and parameter identification of the Lagrangian-averaged vorticity deviation vortex detection method in three-dimensional flows around solid bodies 8:50am - 9:10am Energy stability analysis of MHD flow in a rectangular duct 9:10am - 9:30am Modeling active suspensions with the mixture theory |
S14.01: Various topics in Applied analysis Location: G22/218 Chair: Patrik Knopf A degenerate cross-diffusion system as the inviscid limit of a nonlocal tissue growth model 9:10am - 9:30am Fast-slow limits for gradient flows on metric graphs 9:30am - 9:50am Degenerate flow and transport problems in porous media with vanishing porosity 9:50am - 10:10am Hypocoercivity in Hilbert spaces 10:10am - 10:30am Compactness and existence theory for the nonlocal radiative-temperature equation |
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S15.01: Applications of UQ Location: G22/105 Chair: Kerstin Lux-Gottschalk UM-Bridge: Bridging the Gap between Advanced UQ and Advanced Models from Prototype to HPC 9:10am - 9:30am Combining noisy well data and expert knowledge in a Bayesian calibration of a flow model under uncertainties: an application to solute transport in the Ticino basin 9:30am - 9:50am Bayesian data assimilation for complex wetting processes with transport maps and stochastic surrogates 9:50am - 10:10am Scale-bridging within a complex model hierarchy for investigation of an innovative circular energy economy by use of Bayesian model calibration 10:10am - 10:30am Uncertainty of mechanical properties of short-fiber reinforced polymers manufactured by injection-molding process |
S16.01: Topology Optimization I Location: G22/110 Chair: Christian Kahle Chair: Evelyn Herberg Stabilization of topology optimization problems using Voronoi tessellations 9:10am - 9:30am Shape Design Optimization of a flat Endmill Tool 9:30am - 9:50am Remarks on Shape Sensitivity Analysis of Dynamic Structures 9:50am - 10:10am Analysing sensitivity information of composite laminate shell structures 10:10am - 10:30am Prediction of CO2 uptake on activated carbon by artificial neural networks |
S18.01: Discontinuous Galerkin and Software Location: G22/020 Chair: Christian Wieners Voronoi diagrams and Finite Volume methods in any dimension 8:50am - 9:10am DG-type reconstructions for SBP finite difference schemes 9:10am - 9:30am Monolithic Convex Limiting For Legendre–Gauss–Lobatto Discontinuous Galerkin Spectral Element Methods 9:30am - 9:50am Numerical Solution of Ultra-Relativistic Euler Equations using Discontinuous Galerkin Finite Element Method 9:50am - 10:10am deal.t: An implementation of T-splines within the \texttt{deal.II} framework 10:10am - 10:30am TrixiParticles.jl: an accessible numerical framework for particle-based simulations in Julia |
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S19.01: Various topics in Optimization of Differential Equations (1) Location: G22/211 Chair: Hannes Meinlschmidt Chair: Anne-Therese Rauls-Ehlert An ADMM-based time domain decomposition approach for PDE constrained optimization 8:50am - 9:10am On vanishing state constraints for parabolic PDEs with applications to hybrid optimal control 9:10am - 9:30am Global minimization of polynomial integral functionals with semilinear elliptic PDE constraints 9:30am - 9:50am Optimal control for a class of hypocoercive Fokker-Planck equations 9:50am - 10:10am Adjoint-based calibration of nonlinear stochastic differential equations 10:10am - 10:30am Risk-averse optimal control of random elliptic variational inequalities |
S20.01: Optimal control Location: G22/122 Chair: Kathrin Flaßkamp Chair: Victoria Grushkovskaya Gradient-free control algorithms for convex optimization problems 8:50am - 9:10am A port-Hamiltonian perspective on energy-optimal control of adaptive high-rise buildings 9:10am - 9:30am Optimized Self-Consumption of Renewable Energies with Forecast-Based Energy Management for Agricultural Farms 9:30am - 9:50am Robust and Efficient Hybrid Optimal Control via Gaussian Process Regression and Multiple Shooting with Experimental Validation on a Double Pendulum on a Cart 9:50am - 10:10am Optimal trajectories for a Dubins vehicle in mode-target games 10:10am - 10:30am Commutator-free based on Cayley transform for quantum optimal control problems |
S21.01: Mathematical Signal and Image Processing (Part I) Location: G22/208 Chair: Anne Wald Chair: Johannes Maly Virtual X-rays: parallel-beam tomography hidden within electric probing 9:10am - 9:30am Denoising of Sphere- and SO(3)-valued Data by Relaxed Tikhonov Regularization 9:30am - 9:50am Accelerating 3D Topology Optimization through Sample-Efficient Deep Learning 9:50am - 10:10am Postprocessing U-Net for the Kuopio Tomography Challenge 2023 |
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S22.01: Various topics in Scientific computing Location: G22/120 Chair: Martin Stoll Model Reduction of Hamiltonian systems: From the formulation on manifolds to data-driven realizations 9:10am - 9:30am Reducing the entry barrier of Peridynamic simulations 9:30am - 9:50am Gradient based optimization method for temporal multiscale differential problems 9:50am - 10:10am MESHFREE Simulations for Industrial Applications 10:10am - 10:30am Robust matrix-free polynomial preconditioning using the hyper-power method |
S25.01: Various topics in Computational and mathematical methods in data science Location: G22/H2 Chair: Max Pfeffer On the approximation of vector-valued functions by samples 8:50am - 9:10am Learning stochastic reduced order models from data 9:10am - 9:30am A time-aware tensor decomposition for concept evolution 9:30am - 9:50am A novel univariate feature selection filter-measure based on the reduction of class overlapping 9:50am - 10:10am On Efficient and Accurate Kernel-Based Interpolation/Regression for Dynamic Datasets |
S26.01: Embedding and correlated methods Location: G22/209 Chair: Benjamin Stamm Chair: Gero Friesecke Mathematical insights on embedding theories. 8:50am - 9:10am Multi-center decomposition of molecular densities: A numerical perspective 9:10am - 9:30am Parallel Coordinate Descent Methods for Full Configuration Interaction 9:30am - 9:50am On algebraic varieties and roots in coupled cluster theory 9:50am - 10:10am Coupled Cluster for Periodic Systems |
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10:30am - 11:00am |
Coffee Break |
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11:00am - 12:00pm |
PL2: "Contributions of 4D imaging in mechanics of materials" François Hild (ENS Paris-Saclay) Location: G26/H1 Chair: Stefan Hartmann Contributions of 4D imaging in mechanics of materials |
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12:00pm - 1:00pm |
PL3: "Nonlinear manifold approximations for reduced-order modeling of nonlinear systems" Karen E. Willcox (UT Austin) Location: G26/H1 Chair: Heike Faßbender Enforcing physics structure in scientific machine learning: The role of projection-based reduced-order modeling |
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1:00pm - 2:00pm |
Lunch Break |
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2:00pm - 4:00pm |
DFG-GRK 2297: Research Training Group Mathematical Complexity Reduction Location: G22/020 Chair: Jan Heiland Chair: Feliks Nüske Chair: Thomas Richter Different concepts of complexity reduction will be presented, spanning from model order reduction over adaptive numerical schemes to refined sparsity exploiting approaches to polynomial optimization.
Bi-linear Control Based On gEDMD for Metastable Systems 2:20pm - 2:40pm Smooth clustering-based autoencoders for very low-dimensional parametrizations of fluid flow models 2:40pm - 3:00pm Physics-based, non-intrusive modeling for systems with spatially localized behavior through reduced/full-order model coupling 3:00pm - 3:20pm Error analysis for hybrid finite element/neural network discretizations 3:20pm - 3:40pm Source Detection on Graphs 3:40pm - 4:00pm Refined TSSOS |
DFG-PP 2256: Variational Methods for Predicting Complex Phenomena in Engineering Structures and Materials Location: G22/H2 Chair: Georg Dolzmann On the homogenization into generalized continua: a computational approach for parameter identification for the Relaxed Micromorphic Model 2:20pm - 2:40pm Reinterpreting laminate composite voxels in computational micromechanics: level sets and assumed strain methods 2:40pm - 3:00pm Co-Design of variational formulations and par- allel solvers in Non-Isothermal Thermo-Chemo- Mechanics: Comparison of Minimization and Saddle- Point formulation and scalability studies 3:00pm - 3:20pm Phase transformation in elasto-plastic materials - a multi-phase simulation 3:20pm - 3:40pm Structure-preserving approximation for quantitative variational phase-field models in the context of powder-bed fusion additive manufacturing 3:40pm - 4:00pm Mapping Shear Transformation Zones in Silica Network Glass |
DFG-PP 2298: Theoretical Foundations of Deep Learning Location: G22/013 Chair: Laura Thesing Chair: Gitta Kutyniok Foundations of Supervised Deep Learning for Inverse Problems 2:20pm - 2:40pm Combinatorial and implicit views on parameter optimization in neural networks 2:40pm - 3:00pm Regularized, structure-preserving neural networks for the minimal entropy closure of the Boltzmann moment system 3:00pm - 3:20pm Adaptive Step Sizes for Preconditioned Stochastic Gradient Descent 3:20pm - 3:40pm Non-vacuous PAC-Bayes bounds for Models under Adversarial Corruptions 3:40pm - 4:00pm Convergence results for gradient flow and gradient descent systems in artificial neural network training |
DFG-PP 2311: Robust coupling of continuum-biomechanical in sili-co models to establish active biological system models for later use in clinical applications - Co-design of modeling, numerics and usability Location: G16/H5 Chair: Tim Ricken Chair: Oliver Röhrle Chair: Silvia Budday Comparison of Pericardium Modeling Approaches for Mechanical Whole Heart Simulations 2:20pm - 2:40pm Modeling and Simulation of Pharmaco-Mechanical FSI for an Enhanced Treatment of Cardiovascular Diseases - Part I: Modeling Aspects 2:40pm - 3:00pm Modeling and Simulation of Pharmaco-Mechanical FSI for an Enhanced Treatment of Cardiovascular Diseases - Part II: Numerical Methods, Software, and Results 3:00pm - 3:20pm SimLivA - A Data-Integrated, Continuum-Biomechanical Framework for In-Silico Staging of Ischemia-Reperfusion Injury During Liver Transplantation |
DFG-PP 2353: Daring More Intelligence – Design Assistants in Mechanics and Dynamics Location: G26/H1 Chair: Peter Eberhard Chair: Dieter Bestle Learning bifurcation structures in the small-data limit using reservoir computing 2:20pm - 2:40pm Hybrid Modelling of Multibody Systems: Application of Two Discrepancy Models for Trajectory Prediction 2:40pm - 3:00pm Artificial Recurrent Model for Parameter Identification of Dynamic Systems 3:00pm - 3:20pm A deep learning approach to calculate elementary effects of Morris sensitivity analysis 3:20pm - 3:40pm An iterative-closest-point algorithm for marker-free 3D shape reconstruction of tube-like continuum robots 3:40pm - 4:00pm Optimization of Crash Box Design in Crashworthiness Analysis Using Reinforcement Learning |
DFG-PP 2410: Hyperbolic Balance Laws in Fluid Mechanics: Complexity, Scales, Randomness Location: G16/215 Chair: Christian Rohde Nonlinear hyperbolic balance laws are ubiquitous in the modelling of fluidmechanical processes. They enable the development of powerful numerical simulation methods that back decision-making for critical applications such as in-silico aircraft design or climate change research. However, fundamental questions about distinctive hyperbolic features remain open including the multi-scale interference of shock and shear waves, or the interplay of hyperbolic transport and random environments. The Priority Programme SPP2410 is devoted to the development of new mathematical models and methods to understand the dynamic creation of small scales and mechanisms which are either enhanced or depleted by the hyperbolic nonlinearity.
Convex integration applied to the compressible Euler equations: non-uniqueness and admissibility criteria 2:30pm - 3:00pm On Non-Strict Hyperbolic Systems and Related Wave Phenomena 3:00pm - 3:30pm Asymptotic Preserving Numerical Methods for Linear Kinetic Transport Equations Based on Upwind SBP Schemes Combined with Multiderivative RK Methods 3:30pm - 4:00pm Convergence of FE schemes for compressible flows via dissipative weak solutions |
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MS1: Distributed Control and Optimization: Theory and Applications Location: G22/105 Chair: Henrik Ebel Chair: Kathrin Flaßkamp Distributed optimal feedback control and neural networks 2:20pm - 2:40pm NMPC for Cyber-Physical Systems – Decentralized Algorithms for Dynamic Real-Time Collaboration 2:40pm - 3:00pm Distributed control of nonlinear constrained multi-agent systems: A tracker-planner framework using local model predictive controllers and Voronoi partitions 3:00pm - 3:20pm A Fixed-Point Iteration Scheme for Sensitivity-Based Distributed Optimal Control 3:20pm - 3:40pm Sensitivity Analysis of the Performance of a Distributed MPC Scheme on an Occupancy Grid in Combination with Priority Rules 3:40pm - 4:00pm Distributed Control Under Attack: Identifying Anomalous Behavior with Inverse Optimal-Control |
MS2: Hierarchical Modeling in Computational Engineering Location: G22/110 Chair: Jan Giesselmann Chair: Julia Kowalski Chair: Manuel Torrilhon Adaptive Hierarchical Modeling of Friction 2:20pm - 2:40pm Dual based and goal oriented adaptivity by means of upwind and downwind approximations 2:40pm - 3:00pm Surrogate models for shape uncertainty quantification 3:00pm - 3:20pm On data-driven moment closures for radiative transfer 3:20pm - 3:40pm Hierarchical modelling in benchmarking, analysis and code development for coupled geo-processes 3:40pm - 4:00pm On the systematic coupling of multiphysics, multiscale, and multidomain problems |
MS3: Matrix Nearness Problems and Applications Location: G22/111 Chair: Matthias Voigt Chair: Tim Mitchell Eigenvalue optimization and matrix nearness problems via constrained gradient systems. 2:40pm - 3:00pm Structured eigenvalue backward errors for rational matrix functions with symmetry structures 3:00pm - 3:20pm Computing sep-lambda, a measure of how close two square matrices are to sharing an eigenvalue 3:20pm - 3:40pm Distance to singularity a ``common'' problem for dissipative Hamiltonian matrix pencils 3:40pm - 4:00pm Nearest singular pencil via Riemannian optimization |
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MS4: Kernel Methods in Data Analysis and Computational Science Location: G22/112 Chair: Jochen Garcke Chair: André Uschmajew Gaussian Process Surrogate for Bayesian Parameter Estimation Involving Incompressible Fluids 2:30pm - 3:00pm How many neurons do we need? A refined analysis for shallow networks trained with gradient descent 3:00pm - 3:30pm Some results on the NTK spectrum and spectral bias of neural networks in the kernel regime 3:30pm - 4:00pm Kernel Methods for Koopman-based Modeling |
MS5: Free boundary problems in the sciences: PDE analysis and modeling Location: G22/120 Chair: Greta Marino Chair: Sebastian Hensel A new reformulation of the Muskat problem with surface tension 2:20pm - 2:40pm The Mullins–Sekerka equation: Existence theory and weak-strong stability for a novel weak solution concept 2:40pm - 3:00pm A Non-local Free Boundary Problem Arising in a Model of Cell Polarization 3:00pm - 3:20pm Phase-Field Models for Organic Solar Cell Production 3:20pm - 3:40pm Comparison of the fracture toughness of two species of cactus using phase field modeling 3:40pm - 4:00pm A free boundary model for transport induced neurite growth |
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4:00pm - 4:30pm |
Coffee Break |
Poster1: Poster Session 1 Location: G22 Floor A hybrid mixed variational formulation and discretization for the linear transport equation AI-enhanced integrators for lifetime analysis of wind turbines Approximation of Stochastic Evolution Equations Challenges in the Simulation of Rotating Electric Motors using Isogemetric Analysis Constitutive modeling of human brain tissue Coupled multiscale bone modeling Curvature-driven pattern formation in Biomembranes Dynamical Systems as a Machine Learning Framework MESHFREE Simulations with the Generalized Finite Difference Method Novel geometric integrators for multibody systems Performance guarantees meet data-driven control Phase-Morphology-Based Homogenization Quantum computing through the lens of control Strong simulations for strong magnets: The effects of defects Time-separated stochastic mechanics |
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4:30pm - 6:30pm |
S02.02: Constitutive modeling Location: G22/111 Chair: Daniel Balzani A Thermodynamic framework for constructing a constitutive model accounting for fiber reorientation through active and passive responses 4:50pm - 5:10pm Constitutive Modeling of Viscoelastic Behavior and Irreversible Damage in Porcine Pulmonary Artery 5:10pm - 5:30pm Fast simulation of coronary in-stent restenosis: a non-intrusive data-driven reduced order surrogate model 5:30pm - 5:50pm Constitutive Artificial Neural Networks (CANNs): A framework for inelastic anisotropic soft biological tissues 5:50pm - 6:10pm Towards Using Active Learning Methods for Human-Seat Interactions To Generate Realistic Occupant Motion |
S03.02: Damage and fracture mechanics 2 Location: G22/013 Chair: Sergey Kozinov Fracture modeling of flexoelectric materials with mixed FE 4:50pm - 5:10pm Multiscale damage analysis based on the variational effective model 5:10pm - 5:30pm A finite element framework for thermo-mechanically coupled gradient-enhanced damage formulations 5:30pm - 5:50pm Neural networks meet phase-field: A hybrid fracture model for elastomers 5:50pm - 6:10pm A multi-field decomposed model order reduction approach for thermo-mechanically coupled multiphysics simulations including damage 6:10pm - 6:30pm A novel approach for a thermo-mechanically coupled and gradient-enhanced damage model |
S04.02: Various topics in Structural mechanics Location: G26/H1 Chair: Wolfgang Dornisch Analysis and Simulation of curved hoses under internal pressure - 3D continuum models 4:50pm - 5:10pm Influence of support conditions for violin plates in experimental modal analysis 5:10pm - 5:30pm Approximate dual basis functions for mass lumping within explicit IGA simulations 5:30pm - 5:50pm On the potential of approximate dual basis functions towards efficient mixed plate formulations in isogeometric analysis 5:50pm - 6:10pm A closed-form approach on mode III loading of thin layers |
S05.02: Oscillations (2) Location: G22/217 Chair: Merten Stender Focus: Data-Driven Approaches
Friction damping in structural dynamics: from fundamental understanding to physics-based machine learning identification 5:10pm - 5:30pm A Rational Ansatz for the Approximation of Koopman Eigenfunctions 5:30pm - 5:50pm Quantifying Uncertainty in Neural Network predictions of forced vibrations 5:50pm - 6:10pm Complex dynamics of coupled nonlinear oscillators from a functional networks perspective 6:10pm - 6:30pm Characterization of music effect pedals by data analysis |
S06.2.02: Various topics in Material modelling with non-metals Location: G16/H5 Chair: Jaan-Willem Simon Chair: Alexander Lion Modelling material properties of composites using stochastic tensor approach 4:50pm - 5:10pm Notes on the Schapery model to describe non-linear viscoelastic phenomena 5:10pm - 5:30pm Viscoelastic Constitutive Artificial Neural Networks (vCANNs) – a framework for data-driven anisotropic nonlinear finite viscoelasticity 5:30pm - 5:50pm A thermodynamically consistent physics-informed neural network model for nanoparticle-filled epoxy nanocomposites with moisture content 5:50pm - 6:10pm Constitutive artificial neural network for elasto-plastic material behavior |
S07.02: Laser beam welding Location: G16/215 Chair: Lisa Scheunemann Chair: Andrey Gumenyuk Determination of critical local straining conditions for solidification cracking at laser beam welding by experimental and numerical methods 4:50pm - 5:10pm Application of a multi-object tracking algorithm to investigate thermo-fluid dynamics of the melt pool during laser beam welding 5:10pm - 5:30pm Performance Analysis for the Free Surface Lattice Boltzmann Method for High Performance Computing 5:30pm - 5:50pm A microstructural thermoelastoplastic analysis of the mushy zone during laser beam welding 5:50pm - 6:10pm Efficient parallel finite element simulations of laser beam welding processes 6:10pm - 6:30pm Efficient Simulation Strategy to Investigate a PTW Safety Concept |
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S08.02: Microstructure Location: G16/054 Chair: Johanna Waimann Microstructure reconstruction for realistic RVEs: harnessing descriptor differentiability 4:50pm - 5:10pm Active learning for inverse mesostructure design 5:10pm - 5:30pm Fiber orientation-length coupling in short-fiber reinforced composites 5:30pm - 5:50pm Microstructure generation for discontinuous long curved fiber-reinforced polymers via optimization on curved manifolds along the geodesics 5:50pm - 6:10pm Quantification of Microstructure-Related Uncertainties in Macroscopic, Structural Quantities of Interest based on Artificial Microstructures and the FE2-Method 6:10pm - 6:30pm Aspects of numerical efficiency and viability in the optimization of minimal-surface-based periodic microstructures |
S13.01: Flow control (vehicles and drag reduction) Location: G22/216 Chair: Jan Heiland Chair: Sebastian Peitz Active flow control for road vehicles 5:10pm - 5:30pm Modeling for surrogate-based optimization of actuation parameters for active drag reduction in turbulent boundary layer flows 5:30pm - 5:50pm Numerical investigation of drag reduction effects on a track bicycle fork using airfoils with a wavy leading edge |
S14.02: Calculus of variations and elasticity Location: G22/218 Chair: Jörg Weber A note on the generalized Jacobian in the sense of Clarke for the inverse of a bi-Lipschitz map and applications in relaxation theory 4:50pm - 5:10pm Stress-mediated growth determines E. Coli division site morphology 5:10pm - 5:30pm Convergence of equilibria of thin elastic plates in a discrete model - The von Kármán case 5:30pm - 5:50pm Dimension reduction for elastoplastic rods in the bending regime 5:50pm - 6:10pm Inertial evolution of non-linear viscoelastic solids in the face of (self-)collision |
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S15.02: Applications of UQ Location: G22/105 Chair: Andrea Barth Sparse polynomial chaos expansions: a review of recent developments 5:10pm - 5:30pm Advanced Directional Importance Sampling Method for Dynamic Reliability Analysis of Linear Structural Systems under Stochastic Non-Gaussian Loading 5:30pm - 5:50pm Efficient model order reduction of vibroacoustic problems under stochastic loads 5:50pm - 6:10pm Statistical reduced order modelling for frequency dependent PDEs 6:10pm - 6:30pm Towards a Sampling-Free Statistical Finite Element Method in Computational Mechanics |
S16.02: Topology Optimization II Location: G22/110 Chair: Christian Kahle Chair: Evelyn Herberg Sequential topology optimization for additive manufacturing 4:50pm - 5:10pm An experimental validation of optimized structures with hardening material behavior 5:10pm - 5:30pm On varying time integration schemes for a density-based topology optimization approach at large deformations 5:30pm - 5:50pm Topology Optimization of Continuum Structures using Simultaneous Stress and Displacement Constraints 5:50pm - 6:10pm Cavity Shape Optimization in Injection Molding to Compensate for Shrinkage and Warpage 6:10pm - 6:30pm Sustainability in bridge design – investigation of the potential of topology optimization and additive manufacturing on a model scale |
S18.02: Nonlinear and port-Hamiltonian systems Location: G22/020 Chair: Philip Freese Energy-adaptive and Riemannian Newton methods for Problems of Kohn-Sham Type 4:50pm - 5:10pm The least-squares method in the theory of nonlinear periodic boundary value problems with concentrated delay 5:10pm - 5:30pm Adomian decomposition method for nonlinear boundary-value problems unsolved with respect to the derivative 5:30pm - 5:50pm Higher-order operator splitting methods for port-Hamiltonian systems 5:50pm - 6:10pm Proper Orthogonal Decomposition for port-Hamiltonian energy networks 6:10pm - 6:30pm A posteriori estimates for a coupled piezoelectric model |
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S19.02: Various topics in Optimization of Differential Equations (2) Location: G22/211 Chair: Hannes Meinlschmidt Chair: Anne-Therese Rauls-Ehlert Control in the coefficients of an elliptic differential operator: topological derivatives and Pontryagin maximum principle 4:50pm - 5:10pm Asymptotics and Optimal Control for Radiative Processes 5:10pm - 5:30pm Optimal Control of the Generalized Riemann Problem for Hyperbolic Systems of Conservation Laws 5:30pm - 5:50pm A Variational Calculus for Optimal Control of Networks of Scalar Conservation or Balance Laws 5:50pm - 6:10pm Semi-smooth Newton Method for parabolic PDE-constraint Optimization 6:10pm - 6:30pm Local extrema in two-phase optimal design problems |
S20.02: Modelling & identification Location: G22/122 Chair: Robert Eberle Chair: Mieczyslaw Sylwester KUCZMA Modelling Gas Networks with Compressor Stations: A Port-Hamiltonian Approach 4:50pm - 5:10pm Behaviour of frame structures with pseudoelastic shape memory alloy damping elements 5:10pm - 5:30pm Frequency response function for systems incorporating viscoelastic elements with uncertain-but-bounded parameters 5:30pm - 5:50pm Estimation of nonparametric restoring forces for nonlinear mechanical single-degree-of-freedom systems: a robust and effective approach |
S21.02: Mathematical Signal and Image Processing (Part II) Location: G22/208 Chair: Anne Wald Chair: Johannes Maly Data driven enhanced methods in terahertz tomography including a partially learned Landweber iteration 4:50pm - 5:10pm Using feasibility constraints in the data space do deal with unknown rigid motion in (Nano-)CT 5:10pm - 5:30pm Real data EIT reconstruction using virtual X-rays and deep learning 5:30pm - 5:50pm Reconstruction of active forces generated by actomyosin networks 5:50pm - 6:10pm Motion Correction in Fluorescence Microscopy |
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S22.02: Various topics in Scientific computing Location: G22/120 Chair: Silke Glas Identification of temperature-dependent material parameters in piezoelectricity 4:50pm - 5:10pm Optimal Dirichlet Boundary Control by Fourier Neural Operators Applied to Nonlinear Optics 5:10pm - 5:30pm Parameter Identification for a Two-Compartment Contrast Flow Field Model 5:30pm - 5:50pm Data- and knowledge-constrained splines for the prediction of physical phenomena 5:50pm - 6:10pm Isogeometric methods for the simulation of electric motors considering rotation |
S24.01: History of applied mathematics and mechanics Location: G22/112 Chair: Holm Altenbach Chair: Otto Timme Bruhns Some remarks on Lode angle and Lode parameter 4:50pm - 5:30pm Karl Schellbach (1804–1892) – one of the fathers of the Finite Element Method? 5:30pm - 5:50pm „The fruit trees were in full bloom and the weather allowed coffee to be taken outdoors.“ New Perspectives on the History of the Association of Applied Mathematics and Mechanics (GAMM) 1920-1970 5:50pm - 6:10pm On the Heritage of Kurt Magnus in Gyro Technology 6:10pm - 6:30pm Timoshenko and the Creation of new Elements in Teaching Mechanics |
S25.02: Various topics in Computational and mathematical methods in data science Location: G22/H2 Chair: Franziska Nestler Neural ODE for Hamiltonian Systems with Irregular and Noisy Data 4:50pm - 5:10pm Functional SDE approximation inspired by a deep operator network architecture 5:10pm - 5:30pm Approximating Langevin Monte Carlo with ResNet-like Neural Network Architectures 5:30pm - 5:50pm Blending Finite Volume Fluxes with Reinforcement Learning 5:50pm - 6:10pm Extending denoising diffusion generative models by respecting physical constraints |
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S26.02: Solvation models and Molecular Dynamis Location: G22/209 Chair: Feliks Nüske Chair: Sebastian Matera Exploring Electrostatic Effects in Aqueous Nanosystems: From Continuum Models to Classical Force Field Simulations and Machine Learning 5:10pm - 5:30pm A L^2 maximum principle on the disk with applications to continuum solvation models 5:30pm - 5:50pm Julia MolSim: Bridging the Gap between Mathematical Research and Practical Applications in Molecular Simulations 5:50pm - 6:10pm Complex Activation and Catalytic Cycles of Deubiquitinylase Enzymes 6:10pm - 6:30pm Molecular dynamics-based investigation of polymer fracture |
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7:30pm - 9:00pm |
Public Lecture: Vakuum und Luftdruck – Otto von Guericke und die wissenschaftliche Revolution im 17. Jahrhundert (P. Streitenberger) Location: G16/H5 |
Date: Wednesday, 20/Mar/2024 | |||
8:30am - 9:30am |
S02.03: Multi-body dynamics Location: G22/111 Chair: Elmar Woschke The effect of active leg swing on walking template model dynamics 8:50am - 9:10am Model Order Reduction of Collision Models for Safe Human-Robot Collaboration 9:10am - 9:30am Determination of the mechanical properties of the sacroiliac joint of a dog by imaging measurement methods and model update in a multi-body model |
S04.03: Various topics in Structural mechanics Location: G26/H1 Chair: Oliver Weeger Chair: Sven Klinkel Kinematic Hardening and Size Effects in Elastoplastic Nonlinear Timoshenko Beams 8:50am - 9:10am Isotropic growth model for generalised scaled boundary isogeometric analysis on slender structures 9:10am - 9:30am Physics-enhanced neural networks for material modeling in beam theory |
S06.1.01: Various topics in Material modelling with metals Location: G16/H5 Chair: Patrick Kurzeja Chair: Jörn Mosler Merging traditional and neural network material modeling 9:10am - 9:30am On neural networks as propagators in data-driven inelasticity |
S07.03: Laser beam welding Location: G16/215 Chair: Lisa Scheunemann Chair: Daniel Schneider Domain decomposition approaches for the saddle point problem of thermoelasticity 8:50am - 9:10am CALPHAD-based thermodynamic modelling and phase field simulations of dendritic solidification in austenitic stainless steel 9:10am - 9:30am Insights from Sustainable Data Management in Investigating Solidification Crack Formation |
S08.03: Model Order Reduction Location: G16/054 Chair: Sonja Hellebrand Statistically compatible hyper-reduction for computational homogenization 8:50am - 9:10am Nonlinear model order reduction using manifold learning techniques for computations on representative volume elements 9:10am - 9:30am A Comparative Study Between a Phenomenological, a Hybrid Neural Network and a Hyper ROM FE² Approach for Multiscale Simulations |
S10.01: Various topics in Turbulence and reactive flows Location: G22/216 Chair: Gabor Janiga Stochastic modeling of a turbulent hydrogen/nitrogen jet flame in a vitiated coflow 8:50am - 9:10am Optimising production of synthetic natural gas (SNG) from methane synthesis 9:10am - 9:30am Detached eddy simulation (DES) of a turbulent premixed flame stabilized on a bluff body |
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S14.03: Various topics in Applied analysis Location: G22/218 Chair: Patrik Knopf Approximation and existence of a viscoelastic phase-field model for tumour growth in two and three dimensions 9:10am - 9:30am Weak stabilty of the three-dimensional axisymmetric Ericksen-Leslie model |
S15.03: UQ - Multilevel sampling Location: G22/105 Chair: Kerstin Lux-Gottschalk The Quasi Continuous-Level Monte Carlo Method and its Applications 8:50am - 9:10am Towards Multilevel Slice Sampling for Bayesian inverse problems 9:10am - 9:30am A parallel high-performance multi-level Monte Carlo method with memory constraint and CPU-time budget |
S16.03: Nonsmooth Problems I Location: G22/110 Chair: Evelyn Herberg Chair: Christian Kahle Semismooth Newton Methods for Minimization Problems with Box-Constraints in Sobolev Spaces 9:10am - 9:30am Sparse representation recovery in convex optimization through a metric non-degenerate source condition |
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S18.03: Application in mechanics Location: G22/020 Chair: Christian Wieners Solving Nonlinear Finite Element Problems in Hyperelasticity 8:50am - 9:10am On recent advancements in the development of Lattice Boltzmann methods for solids 9:10am - 9:30am Higher order iterative decoupling for poroelasticity |
S19.03: Sparsity and nonsmooth regularization in Optimization of Differential Equations Location: G22/211 Chair: Hannes Meinlschmidt Chair: Anne-Therese Rauls-Ehlert DC Reformulation of Cardinality Constrained Problems in Function Spaces 8:50am - 9:10am Spatially sparse optimization problems 9:10am - 9:30am TV-regularized optimal switching control of PDEs by sequential relaxation |
S20.03: System analysis Location: G22/122 Chair: Alexander Zuyev Chair: Klaus Röbenack A Note on the Local Observability of Uniform Hypergraphs 8:50am - 9:10am On the Observation of Glucose-Insulin Models 9:10am - 9:30am Artifacts arising in Harmonic Balance solutions of the softening Duffing oscillator |
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S21.03: Mathematical Signal and Image Processing (Part III) Location: G22/208 Chair: Johannes Maly Chair: Anne Wald Differential Prony-Type Method for Approximation of the Gaussians 8:50am - 9:10am Fourier-Domain Inversion for the Modulo Radon Transform 9:10am - 9:30am THE INFORMATION GEOMETRY OF SMART |
S22.03: Various topics in Scientific computing Location: G22/120 Chair: Andrea Walther Multiscale flow simulations of dilute polymeric solutions with bead-rod chains using Brownian configuration fields 8:50am - 9:10am Experiences from the development of a hybrid reduced order stochastic/LES solver for turbulent flows 9:10am - 9:30am Improving the convergence of pseudo-time stepping for CFD simulations with neural networks |
S25.03: Various topics in Computational and mathematical methods in data science Location: G22/H2 Chair: Sebastian Neumayer Greedy Sampling for Parameter Estimation in Partial Differential Equations 8:50am - 9:10am Structure preserving inference of mechanical systems 9:10am - 9:30am Learning Linear and Quadratic Dynamical Systems with Guaranteed Stability |
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S26.03: Various topics Location: G22/209 Chair: Sebastian Matera Chair: Gero Friesecke Energy-Driven Decision-Making Across Biological Systems: From Gene Regulation to Population Dynamics 8:50am - 9:10am Shape-driven simulation of protein self-assembly 9:10am - 9:30am Uncertainty quantification for molecular statics via implicit differentiation |
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9:30am - 10:30am |
Coffee Break |
Poster2: Poster Session 2 Location: G22 Floor |
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10:30am - 11:30am |
RvML: Richard von Mises Prize Lectures: Patrik Knopf (U Regensburg); Marco Salvalaglio (TU Dresden) Location: G26/H1 The role of dynamic boundary conditions in diffuse-interface models 11:00am - 11:30am Bridging the scales in mechanics: mesoscale modeling of crystals |
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11:30am - 1:00pm |
General Assembly: GAMM General Assembly Location: G26/H1 |
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1:00pm - 2:00pm |
DEKOMECH: "Deutsches Komitee für Mechanik" Location: G22/203 |
Lunch Break |
NIAM: Network for Industrial and Applied Mathematics General Assembly Location: G26/H1 |
YAMM Lunch: YAMM Lunch Location: Mensa, upper floor |
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2:00pm - 4:00pm |
S02.04: Mechanical testing and parameters Location: G22/111 Chair: Jianye Shi Multiscale Analysis of Human Dura Mater – From Nano- to Macroscale 2:40pm - 3:00pm Seasonal variation of Elymus for the assessment of ecosystem services 3:00pm - 3:20pm Location and layer-dependent biomechanical characterization of the porcine small intestine wall 3:20pm - 3:40pm On the morphological and mechanical properties of filamentous pellets along the culture process 3:40pm - 4:00pm Global sensitivity analysis for biomechanical models with dependent input parameters |
S03.03: Damage and fracture mechanics 3 Location: G22/013 Chair: Steffen Gerke Microscale Modeling of Damage Mechanisms in Dual-Phase Steel DP800 2:20pm - 2:40pm INFLUENCE OF IMPACT LOADING ON CREEP, DAMAGE AND FRACTURE OF METALS 2:40pm - 3:00pm Concurrent Approximation of Rank-One Convex Envelopes with Application to Continuum Damage Mechanics 3:00pm - 3:20pm On the path-dependence of ductile damage models 3:20pm - 3:40pm Mixed finite element implementation of plane crack problems within strain gradient elasticity 3:40pm - 4:00pm Analysis of failure of fibre-reinforced high performance concretes due to low cycle fatigue |
S04.04: Various topics in Structural mechanics Location: G26/H1 Chair: Thomas-Peter Fries Inverse Problem for Parameterizing Nonlinear Elastic Bending Behavior for Cable Simulation 2:40pm - 3:00pm Test Rig for Validating the Integrated Motion Measurement of Flexible Beams 3:00pm - 3:20pm Simultaneous solution of implicitly defined curved, linear Timoshenko beams in two-dimensional bulk domains 3:20pm - 3:40pm A direct peridynamic-type beam theory 3:40pm - 4:00pm A variational approach to inelastic Cosserat rods in the plane |
S05.03: Oscillations (3) Location: G22/217 Chair: Merten Stender Focus: Numerical Simulations
Numerical detection of suppression of quasi-periodic solutions 2:20pm - 2:40pm SBFEM with perturbation method for solving the Reynolds equation 2:40pm - 3:00pm Shape optimization for MEMS gyroscopes 3:00pm - 3:20pm Modeling of oscillating piezoelectric actuators with cracks |
S06.1.02: Various topics in Material modelling with metals Location: G16/H5 Chair: Patrick Kurzeja Chair: Jörn Mosler Damage-Plasticity Models at Finite Strains: Gradient-Enhancements, Calibration and Numerics 2:40pm - 3:00pm Quantification of the effect of uncertainty of material parameters on damage initiation in finite strain elastoplasticity 3:00pm - 3:20pm Modeling and identifying yield stress and Taylor-Quinney factor using a thermodynamic consistent constitutive theory and infrared thermography measurements 3:20pm - 3:40pm An experimental and numerical benchmark: Evolution of forming induced residual stresses under cyclic loading 3:40pm - 4:00pm Modelling cyclic behavior of high-temperature steels: a two-time-scale approach |
S07.04: Phase-field models, Porous media Location: G16/215 Chair: Ralf Jänicke Chair: Tim Ricken Framework for an electro-chemo-mechanical multi-component multi-phase-field corrosion model 2:20pm - 2:40pm A combined explicit-implicit approach for robust finite cell simulations of phase field fracture 2:40pm - 3:00pm A Finite Element Approach to Multiphysical Problems in Poroelasticity 3:20pm - 3:40pm Dual-phase field models for immiscible fluid flow through fractured unsaturated porous media 3:40pm - 4:00pm Non-intrusive inference of digital twins from conjugate, multiphase, porous media models to enable autonomous processes |
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S08.04: Machine Learning Location: G16/054 Chair: Richard Ostwald Machine learning for the forward and inverse homogenization of cellular materials 2:40pm - 3:00pm From microgeometry to macroscopic modeling of porous materials enhanced by deep neural networks 3:00pm - 3:20pm A Machine Learning Approach for a Statistical Homogenization Method for Elastic Two-phase Materials 3:20pm - 3:40pm Multiscale modeling of anisotropic finite strain elasticity with physics-augmented neural networks and generalized structure tensors 3:40pm - 4:00pm Surrogate elements for nonlinear microstructures using physics-enhanced machine learning |
S10.02: Various topics in Turbulence and reactive flows Location: G22/216 Chair: Gabor Janiga Numerical studies in compressible thermal convection flows 2:20pm - 2:40pm Numerical Study on the Effects of Transient Pressure Gradients on Isothermal and Heated Pipe Flows 2:40pm - 3:00pm Stochastic modeling and theoretical analysis of heated concentric coaxial pipes at low Prandtl number 3:20pm - 3:40pm Measurement of active grid generated turbulence |
S12.01: Waves and Acoustics Location: G22/112 Chair: Natalie Rauter Chair: Wolfgang Weber Integrated approach for automated structural health monitoring of steel pipes through long-range ultrasonic testing and machine learning 2:20pm - 2:40pm Optimizing Structural Health Monitoring Systems: A 2D Numerical Investigation on Impedance Matching for FML with Integrated Sensors 2:40pm - 3:00pm Analysis of wave scattering at the common interface of piezoelectric media half-spaces under surface/interface elasticity theory 3:00pm - 3:20pm Surface effects on wave propagation in piezoelectric-piezomagnetic bilayer loosely bonded thin plates using nonlocal theory of elasticity |
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S14.04: Phase-field models Location: G22/218 Chair: Harald Garcke The Anisotropic Cahn–Hilliard Equation: Regularity Theory and Strict Separation Properties 2:20pm - 2:40pm Mathematical analysis of phase separation on evolving surfaces 2:40pm - 3:00pm On a convective Cahn-Hilliard system with dynamic boundary conditions 3:00pm - 3:20pm Existence of weak solutions to a Cahn-Hilliard-Biot system 3:20pm - 3:40pm Curvature-driven pattern formation in Biomembranes 3:40pm - 4:00pm Nonlocal-to-Local Convergence for a Diffuse Interface Model for Two Phase Flow with Matched Densities |
S15.04: UQ and dynamical systems Location: G22/105 Chair: Lorenzo Tamellini Dynamical and neural network approaches to downscaling of noisy and partial observations 2:40pm - 3:00pm Bifurcation diagrams of PDEs with parametric uncertainty 3:00pm - 3:20pm Koopman Mode Decomposition of a system with uncertain parameters 3:20pm - 3:40pm Sensitivity Analysis for Bifurcations in Random Ordinary Differential Equations 3:40pm - 4:00pm On finite dimensional noise and finite dimensional models in uncertainty quantification |
S16.04: Shape and Topology Optimization Location: G22/110 Chair: Evelyn Herberg Chair: Christian Kahle Application of a Projection type method on Shape and Topology Optimization Problem concerning Additive Manufacturing 2:20pm - 2:40pm Mesh-independent topology optimisation in the $H^1$ Sobolev space 2:40pm - 3:00pm Convergence of a steepest descent algorithm in shape optimisation using W1,∞ functions 3:00pm - 3:20pm A differential geometric point of view on shape optimization 3:20pm - 3:40pm Geometry-based Solutions to Multivariate Minimization Problems 3:40pm - 4:00pm A set-valued stochastic approximation analysis of two-timescale actor-critic reinforcement learning with non-linear function approximation and clipped gradients |
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S18.04: Structure preserving methods Location: G22/020 Chair: Christian Wieners Divergence-conforming methods for transient double-diffusive flows 2:20pm - 2:40pm Structure preserving variational approximation of dynamic poroelasticity in first-order form 2:40pm - 3:00pm Structure-Preserving Numerical Methods for Nonlinear Dispersive Wave Equations 3:00pm - 3:20pm Structure-Preserving Time Discretization of Port-Hamiltonian Systems via Discrete Gradient Pairs 3:20pm - 3:40pm Structure-preserving numerical methods for Fokker-Planck equations |
S19.04: Control, feedback and stabilization in Optimization of Differential Equations Location: G22/211 Chair: Hannes Meinlschmidt Chair: Anne-Therese Rauls-Ehlert On Stabilizing Model Predictive Control for Generalized Nash Equilibrium Problems 2:20pm - 2:40pm Stabilizability of RHC for linear nonautonomous parabolic equations under uncertainty 2:40pm - 3:00pm Feedback stabilization of parabolic equations. State estimation errors and model disturbances. 3:00pm - 3:20pm Convergence result of smooth approximations of feedback laws to optimal control problems with non-differentiable value function 3:20pm - 3:40pm Feedback control of parameter-dependent linear systems |
S20.04: Data-based methods & learning Location: G22/122 Chair: Friedrich Philipp Chair: Amine Othmane Data-based methods for control: Why and how to incorporate machine learning 2:40pm - 3:00pm High Gain Observer Design for Nonlinear Systems using Machine Learning 3:00pm - 3:20pm Partial observations, coarse graining and equivariance in Koopman operator theory for large-scale dynamical systems 3:20pm - 3:40pm Online learning with joint state and model estimation 3:40pm - 4:00pm Adaptive Data-Driven Models in Port-Hamiltonian Form for Control Design |
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S21.04: Mathematical Signal and Image Processing (Part IV) Location: G22/208 Chair: Johannes Maly Chair: Anne Wald Algorithmic regularization in asymmetric overparameterized matrix sensing 2:20pm - 2:40pm Unraveling Acoustic Signal Patterns in Fisheries Through DINO-Based Self-Supervised Learning 2:40pm - 3:00pm Comparing the Performance of Beamformer Algorithms in Estimating Orientations of Neural Sources |
S22.04: Various topics in Scientific computing Location: G22/120 Chair: Andrea Walther GPU Acceleration of a General Purpose Finite Element Framework 2:20pm - 2:40pm Floating-point accuracy and symbolic spectral decomposition of 3x3 matrices 2:40pm - 3:00pm Improving performance of the ICON-O ocean model using parallel spectral deferred corrections 3:00pm - 3:20pm Low-rank Lyapunov ADI on the GPU 3:20pm - 3:40pm Multilevel Block Partitioning for Solving Sylvester-like Matrix Equations 3:40pm - 4:00pm Numerical realization of the Mortensen observer via a Hessian-augmented polynomial approximation of the value function |
S25.04: Various topics in Computational and mathematical methods in data science Location: G22/H2 Chair: André Uschmajew A Recursive Multilevel Algorithm for Deep Learning 2:20pm - 2:40pm Frank-Wolfe Algorithms for Abs-smooth functions 2:40pm - 3:00pm Iteratively Reweighted Least Squares Recovery on Tensor Networks 3:00pm - 3:20pm Variationally correct methods for model reduction of parameterized transport equations by neural networks 3:20pm - 3:40pm On automated model discovery and a universal material subroutine |
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S26.04: Tensor methods and DMRG Location: G22/209 Chair: Reinhold Schneider Chair: Michael Herbst Tensor-Based Approaches for Modeling and Simulation of Molecular Systems 2:40pm - 3:00pm Symmetries and tensor train representation of electronic wave functions 3:00pm - 3:20pm Numerical Experiment on changing tensor network topology in DMRG calculations for strongly correlated systems. 3:20pm - 3:40pm Predicting the Full CI energy of large systems to chemical accuracy from restricted active space density matrix renormalization group calculations |
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4:00pm - 4:30pm |
Coffee Break |
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4:30pm - 6:30pm |
S01.01: in Focus SPP 2353: Daring More Intelligence – Design Assistants in Mechanics and Dynamics Location: G22/217 Chair: Peter Eberhard Characterization of the behavior of slender, soft robots 4:50pm - 5:10pm Real-time Models for Systems with Costly or Unknown Dynamics 5:10pm - 5:30pm Multi-Criteria Hydraulic Turbine Optimization using a Genetic Algorithm and Trust-Region Postprocessing 5:30pm - 5:50pm Exploring the Optimal Leg-Stiffness in a 2D Monoped 5:50pm - 6:10pm Simulation of Thermical and Dynamical Behavior of High-Precision Optical Systems |
S02.05: Brain Location: G22/111 Chair: Silvia Budday Using active learning and surrogate models in the inverse viscoelastic parameter identification of human brain tissue 4:50pm - 5:10pm Modeling the porous properties of brain tissue 5:10pm - 5:30pm A constitutive relation for human brain tissue obtained using an inverse technique and the numerical study of existence of non-classical solutions 5:30pm - 5:50pm Construction of a Hyperelastic Potential for human brain tissue using an Inverse Method and its Finite Element Implementation to study 3D Boundary Value Problems 5:50pm - 6:10pm Coupling of neuronal excitation and mechanosensitive ion channel activation in the human brain |
S03.04: Damage and fracture mechanics 4 Location: G22/013 Chair: Bjoern Kiefer M-Integral and energy-release rates: A didactical account 5:30pm - 5:50pm Lifetime prediction for cyclic material behavior -- Application to multiaxial fatigue 5:50pm - 6:10pm Geometric and Constitutive Modeling of MgO-C Refractories Based on Recyclates for Thermo-Mechanical Simulations 6:10pm - 6:30pm Analysis of damage and failure behavior of additively manufactured stainless steel 316L by biaxial experiments |
S04.05: Various topics in Structural mechanics Location: G26/H1 Chair: Kerstin Weinberg Chair: Tim Ricken Lattice structures as an energy-absorbing component for impact loads 4:50pm - 5:10pm Investigating Auxetic Elements to Enhance Energy Absorption in Flexible Structures: An Integrated Experimental and Numerical Approach 5:10pm - 5:30pm Numerical and Experimental Modeling of the Mechanical Behavior of Syntactic Foam (lightweight aggregates - Aluminum 2024) 5:30pm - 5:50pm Simulations of superelastic lattice materials manufactured by additive manufacturing using a hypoelastic material model 5:50pm - 6:10pm Tuning the buckling behaviour of slender, material extrusion manufactured collinear stayed polymer lattices 6:10pm - 6:30pm A robust finite strain isogeometric solid-beam element towards simulations of microlattice structured Li-ion battery electrodes |
S06.2.03: Various topics in Material modelling with non-metals Location: G16/H5 Chair: Hagen Holthusen Chair: Loredana Kehrer Design and application of inelastic Constitutive Artificial Neural Networks (iCANN) 5:10pm - 5:30pm Exploring the possibilities of physically enhanced neural networks in advanced material modeling 5:30pm - 5:50pm How to incorporate physical information into ANNs by physics-based Rao-Blackwellization: Example of isotropic rubber elasticity 5:50pm - 6:10pm An expanded model for the evolution of olivine crystals 6:10pm - 6:30pm Identifying Fiber Orientation and Fiber Volume Fraction Distributions in a Commercial Paperboard for Computational Modelling |
S07.05: Porous media, Thermomechanical problems Location: G16/215 Chair: Lars Radtke Chair: Seyed Farhad Hosseini Modeling coupled damage processes in porous media across the scales 4:50pm - 5:10pm Numerically efficient solution methods in highly nonlinear variational thermoinelasticity 5:10pm - 5:30pm Implementation of a thermomechanically coupled constitutive model for single-crystalline SMA based on an Augmented Lagrangian formulation 5:30pm - 5:50pm Thermomechanically coupled finite element formulation for strain-induced crystallization 5:50pm - 6:10pm Thermomechanical analysis of strain recovery in shape memory alloys under variable non-isothermal conditions 6:10pm - 6:30pm Basic problems of steady vibrations in the coupled theory of thermoelastic nanomaterials with triple porosity |
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S08.05: Interfaces/Size Effects/Higher-Order Continua Location: G16/054 Chair: Knut Andreas Meyer Revisiting Cohesive composite boxels with imperfect interfaces: Challenges and Limitations 4:50pm - 5:10pm Influence of grain boundaries on the overall diffusivity in polycrystalline solids 5:10pm - 5:30pm A computational homogenisation approach accounting for interfaces in electrical conductors 5:30pm - 5:50pm Single-species diffusion in particle-matrix composites using a dual-potential model from computational homogenization 5:50pm - 6:10pm Investigation of elastic and inelastic size effects in composites using micromorphic multiscale simulations |
S11.01: Interfacial Transport, Mass Transfer and Flow Instabilities Location: G22/216 Chair: Mathis Fricke Chair: Tomislav Maric Modeling and Simulation of Simultaneous Transport and Incompressible Flows on all Level Sets in a Bulk Domain 5:10pm - 5:30pm Unstructured Finite-Volume Arbitrary Lagrangian / Eulerian Interface Tracking computational framework for incompressible two-phase flows with surfactants 5:30pm - 5:50pm hp-Adaptive Simulation of Compressible Two-Phase Flows with Phase Transition 5:50pm - 6:10pm Simultaneous experimental analysis of concentration and velocity fields in gravity-driven inclined liquid film flows over smooth and microstructured surfaces 6:10pm - 6:30pm Capabilities and limitations of Smoothed Particle Hydrodynamics for the simulation of two-phase flow instabilities |
S12.02: Waves and Acoustics Location: G22/112 Chair: Wolfgang Weber Chair: Natalie Rauter An investigation of wave characteristics in Peridynamic media using Nonlocal Helmholz decomposition 4:50pm - 5:10pm Impact of Surface/interface effect on the propagation of shear wave in a composite piezoelectric cylinder 5:10pm - 5:30pm A case study on the damage detection of beams via the time reversal method |
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S14.05: PDEs related to fluid mechanics Location: G22/218 Chair: Xian Liao Time-periodic flow past a body: Approximation by problems on bounded domains 5:10pm - 5:30pm Rotating solutions to the incompressible Euler-Poisson equation with external particle 5:50pm - 6:10pm Quantitative Analysis for the Ill-Posedness of the Prandtl Equations |
S15.05: Methodologies for forward UQ Location: G22/105 Chair: Andrea Barth Neural network based operator surrogates for elliptic PDEs 5:10pm - 5:30pm Adaptive multilevel Neural Networks for parametric PDEs with error control 5:30pm - 5:50pm Adaptive sparse grid methods with kink detection for uncertainty quantification in gas networks 5:50pm - 6:10pm Application of Isogeometric Analysis for Interval Analysis 6:10pm - 6:30pm Unlocking Possibilities: Quantifying Imprecise Probabilities with Possibility Theory |
S16.05: Nonsmooth Problems II Location: G22/110 Chair: Evelyn Herberg Chair: Christian Kahle Using a Quadratic Constrained Active Signature Method to Solve Nonsmooth Retail Portfolio Maximization Problems 4:50pm - 5:10pm Towards a practical conjugate gradients method for semismooth problems 5:10pm - 5:30pm About Solving Complementarity Problems by Combining SCIP with a Piecewise Linear Solver |
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S17.01: Applied and Numerical Linear Algebra Location: G22/208 Chair: Kathryn Lund Numerical linear algebra for data assimilation 5:10pm - 5:30pm Balanced Truncation using Noisy Gramians for Bayesian Inverse Problems with Quadratic Nonlinearity 5:30pm - 5:50pm Low-Rank Multi-Patch IGA 5:50pm - 6:10pm Real-world datasets ideality for photometric stereo under unknown lighting 6:10pm - 6:30pm On the injectivity radius of the Stiefel manifold |
S18.05: Solvers Location: G22/020 Chair: Christian Wieners On a Hybridized Domain Decomposition Formulation 4:50pm - 5:10pm Matrix-free algorithms for finite element solvers in nearly incompressible hyperelasticity 5:10pm - 5:30pm Comparison between block preconditioner and monolithic preconditioner for iterative solution of coupled multi-field problems from generalized continuum models 5:30pm - 5:50pm Differentiability Matching and Z-Score Normalization in Piecewise Approximated Physics Informed Neural Networks for Solving PDEs 5:50pm - 6:10pm Relaxation based methods for the coupling of nonconservative hyperbolic systems |
S19.05: Shape and topology optimization in Optimization of Differential Equations (1) Location: G22/211 Chair: Hannes Meinlschmidt Chair: Anne-Therese Rauls-Ehlert Shape optimization for Maxwell's equations 4:50pm - 5:10pm Shape Optimization by Constrained First-Order System Least Mean Approximation 5:10pm - 5:30pm Eigenvalue Optimization for Elastic Structures with a Phase Field approach 5:30pm - 5:50pm Eigenvalue optimization with respect to shape-variation in electromagnetic cavities 5:50pm - 6:10pm Computing Multiple Local Minimizers of Topology Optimization Problems and Application for Hydrogen Electrolysis Cell Design 6:10pm - 6:30pm Analysis of an optimization problem for a piezoelectric energy harvester |
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S20.05: Data-based methods & learning Location: G22/122 Chair: Katharina Bieker Chair: Lukas Lanza Learning-based robust funnel MPC 4:50pm - 5:10pm Safe data-driven power grid synchronization 5:10pm - 5:30pm The tangential AAA algorithm for learning MIMO-DAE dynamical systems from frequency-domain data 5:30pm - 5:50pm Unveiling the Promise of Event Cameras for Underwater Robotics Localization for Agile Navigation 5:50pm - 6:10pm Possibilistic Robot Localization Using Visual Landmarks 6:10pm - 6:30pm Reversible methods in deep learning |
S25.05: Various topics in Computational and mathematical methods in data science Location: G22/H2 Chair: Max Pfeffer Sparsity-Inspired Regularization for Image Reconstruction 5:10pm - 5:30pm Analyzing Concrete Pavement Damage Progression Using Image Dataset Techniques 5:30pm - 5:50pm Neural Galerkin schemes that can preserve Hamiltonians and other quantities 5:50pm - 6:10pm Deep Learning for Structure-Preserving Universal Stable Koopman-Inspired Embeddings for Nonlinear Canonical Hamiltonian Dynamics |
S26.05: Eigenvalue problems and Gross-Pitaevskii equation Location: G22/209 Chair: Sebastian Matera Chair: Feliks Nüske Reduced basis surrogates for quantum spin systems based on tensor networks 4:50pm - 5:10pm Numerical simulation of the Gross--Pitaevskii equation via vortex-tracking 5:10pm - 5:30pm Using a posteriori error estimators to construct low-cost solution strategies for the Gross-Pitaevskii equation |
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7:30pm - 11:00pm |
Conference Dinner: Conference Dinner Location: Festung Mark |
Date: Thursday, 21/Mar/2024 | |||
8:30am - 10:30am |
S01.02: Robotic Applications Location: G22/217 Chair: Tamara Nestorovic Multimodal 3D Reconstruction of Icy Surfaces for Robotic Applications: A Dataset and Analysis 8:50am - 9:10am Imitation learning for graph search algorithms and super-smooth spline in navigation of mobile robots: a case study on Turtlebot 9:10am - 9:30am Effectiveness of lightweight neural network in imitating model predictive controllers in robotics |
S02.06: Arterial and cardiac mechanics Location: G22/111 Chair: Justyna Anna Niestrawska Computer Simulation of Damage, Fiber Realignment, Growth, and Smooth Muscle Activation in Arteries in Health and Disease 9:10am - 9:30am Correlative analysis of highly resolved AAA wall composition and strain in mice 9:30am - 9:50am Fast and Reliable Reduced-Order Models for Cardiac Electrophysiology 9:50am - 10:10am Towards Integral Validation Strategies of Active Cardiac Contraction Models |
S03.05: Damage and fracture mechanics 5 Location: G22/013 Chair: Stefan Löhnert A monolithic approach to the phase-field modeling of brittle fracture using the scaled boundary finite element method 8:50am - 9:10am Acceleration of immersed computations of brittle phase-field fracture utilizing moment fitting schemes 9:10am - 9:30am Model-based analysis of surface roughness on fatigue processes 9:30am - 9:50am Phase-field damage models for brutal crack growth: An adaptive time-discretization method 9:50am - 10:10am Efficient phase-field models for ductile fatigue fracture 10:10am - 10:30am An eXtended Phase-Field Method for 2D Simulations of Fatigue Fracture Processes |
S04.06: Various topics in Structural mechanics Location: G26/H1 Chair: Steffen Freitag Chair: Okyay Altay Physics-based machine learning model for the manufacturing of thermoplastic composites 8:50am - 9:10am Artificial neural networks for structural damage detection and localization 9:10am - 9:30am Advanced discretization techniques for hyperelastic physics-augmented neural networks 9:30am - 9:50am Physics-Informed Neural Networks for Material Model Calibration 9:50am - 10:10am Advanced Parameter Identification for Structural Steel Modeling: Integrating Multiple Load Protocols with Convolutional Neural Networks 10:10am - 10:30am Physics informed neural networks in structural dynamics |
S06.2.04: Various topics in Material modelling with non-metals Location: G16/H5 Chair: Matthias Bohnen Chair: Loredana Kehrer Mechanical data acquisition for microgels 8:50am - 9:30am Remarks on parameter identification using finite elements and full-field data 9:30am - 9:50am Process simulation for thermal powder bed fusion additively manufactured glasses based on the Hamilton principle using Neigbor Element Methode (NEM) 9:50am - 10:10am One-point integration for T2 elements in viscoelasticity 10:10am - 10:30am Topology optimization for precipitation hardening in ferroelectric material |
S07.06: Chemo-/thermo-/hygro-/electro/-mechanical coupling Location: G16/215 Chair: Sonja Hellebrand Chair: Dominik Brands On the effects of coupling in a thermo-chemo-mechanically model 8:50am - 9:10am Thermo- and chemo-elastic beam modeling and simulation with isogeometric collocation methods 9:10am - 9:30am Hygro-thermo-mechanical modelling of frozen ground and shotcrete interaction during tunneling excavation 9:30am - 9:50am Coupled chemo-electro-mechanical model for galvanic corrosion in clinched components 9:50am - 10:10am Implementation of a Finite-Element Framework Coupling Chemo-Mechanics and the Non-Local Gurson-Tvergaard-Needleman Model |
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S08.06: Machine Learning/TFA/Mean-Field Location: G16/054 Chair: Stephan Wulfinghoff Thermo-mechanically coupled Nonuniform Transformation Field Analysis of heterogeneous solids 8:50am - 9:10am Mesh- and model adaptivity for NTFA and full-field elasto-plastic homogenization based on downwind and upwind approximations 9:10am - 9:30am A hyperelastic-plastic mean-field-method at large deformations with damage for CFRP 9:30am - 9:50am Parameterized hyperelastic material modeling and multiscale topology optimization with physics-augmented neural network constitutive models 9:50am - 10:10am Nonlinear electro-elastic finite element analysis with neural network constitutive models |
S11.02: Analytical and Numerical Methods for Two-Phase Flows Location: G22/216 Chair: Mathis Fricke Chair: Kohei Soga Chair: Tomislav Maric Mathematical analysis of modified level-set equations 9:10am - 9:30am Two-Phase Flow Simulations in a Space-Time Framework for Injection Molding Applications 9:30am - 9:50am Viscous Two Layer Gravity Driven Flows 9:50am - 10:10am On the kinematic transport of sectional curvatures for a moving hypersurface |
S14.06: Hyperbolic PDEs Location: G22/218 Chair: Xian Liao Modeling and optimization of optical resonances. 9:10am - 9:30am Parameter-asymptotic behavior of integro-differential models of nonlinear acoustics 9:30am - 9:50am Large Data Solutions to 1-D Hyperbolic Systems, Ill-Posedness, and Convex Integration 9:50am - 10:10am Self-similar behaviour for Boltzmann-type equations 10:10am - 10:30am Bifurcation and Asymptotics of Cubically Nonlinear Transverse Magnetic Surface Plasmon Polaritons |
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S15.06: UQ - Sampling and rare events estimation Location: G22/105 Chair: Lorenzo Tamellini Consensus-Based Rare Event Estimation 9:10am - 9:30am Computing upper probabilities of failure using optimization algorithms together with importance sampling. 9:30am - 9:50am Probabilistic microstructural modelling of the failure initiation process in cast iron 9:50am - 10:10am Less interaction with forward models in Langevin dynamics: Enrichment and Homotopy 10:10am - 10:30am Modelling Distributions with Wasserstein Proximal methods and Low-Rank Tensor Decompositions |
S17.02: Applied and Numerical Linear Algebra Location: G22/208 Chair: Kathryn Lund Riemannian optimization on the symplectic Stiefel manifold 8:50am - 9:10am Optimization of Approximate Maps for Linear Systems Arising in Discretized PDEs 9:30am - 9:50am Recycling of Krylov subspaces in the simulation of nonlinear dynamic systems 9:50am - 10:10am Struture preserving approximations to Cayley transforms 10:10am - 10:30am Reorthogonalized Pythagorean variants of block classical Gram Schmidt |
S18.06: Adaptive methods Location: G22/020 Chair: Philip Freese A posteriori error estimates for nonconforming discretizations of singularly perturbed biharmonic operators 8:50am - 9:10am A posteriori error estimates for numerical approximations of the Keller-Segel system 9:10am - 9:30am A-posteriori error estimates for systems of hyperbolic conservation laws 9:30am - 9:50am A Posteriori Error Estimation and Adaptivity for Temporal Multiscale Problems 9:50am - 10:10am Goal oriented error estimation for space-time adaptivity in phase-field fracture |
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S19.06: Numerical analysis and parameter identification in Optimization of Differential Equations Location: G22/211 Chair: Hannes Meinlschmidt Chair: Anne-Therese Rauls-Ehlert Numerical Analysis for Dirichlet Optimal Control Problems on Convex Polyhedral Domains 8:50am - 9:10am Numerical analysis of optimal control problem along curves in three dimensions. 9:10am - 9:30am Error Estimates for Optimal Control of the Instationary Navier-Stokes Equations Subject to State Constraints 9:50am - 10:10am Identification of the basal drag parameter in ice sheet models using L-curves 10:10am - 10:30am Parameter identification of ice rheology and bottom friction for glaciers |
S20.06: Nonlinear control Location: G22/122 Chair: Thomas Berger Chair: Jan Heiland Funnel MPC for nonlinear systems with arbitrary relative degree 8:50am - 9:10am Model complexity optimization of equivalent dynamical linearization data models used in model-free adaptive control based on bias/variance trade-off 9:10am - 9:30am Systematic Parameter Study on Joint Level Impedance Control - Towards a Variable Impedance Control Scheme for Legged Robots 9:30am - 9:50am Dual Quaternion parametrization of a Sliding Mode Control with Artificial Potential Functions 9:50am - 10:10am Design of Two Coupled Fuzzy Controllers for a Planar Direct Internal Reforming Solid Oxide Fuel Cell 10:10am - 10:30am A two-step order reduction approach of incompressible Navier-Stokes equations for H-infinity robust nonlinear controller design |
S23.01: Applied Operator Theory 1 Location: G22/112 Chair: Amru Hussein Chair: Martin Grothaus A spectral inclusion property of essential spectrum of operator pencils 9:10am - 9:50am Spectrum of the Maxwell Equations for a Flat Interface between Homogeneous Dispersive Media |
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S25.06: Various topics in Computational and mathematical methods in data science Location: G22/H2 Chair: Martin Stoll GAN Enables Outlier Detection and Property Monitoring for Additive Manufacturing of Complex Structures 8:50am - 9:10am Interconnection of port-Hamiltonian systems with port-Hamiltonian Neural Networks 9:10am - 9:30am On minimizing the training set fill distance in machine learning regression 9:30am - 9:50am Driving on a racetrack with a hybrid reinforcement learning approach |
S26.06: Transport, dynamics and learning Location: G22/209 Chair: Michael Herbst Chair: Benjamin Stamm Learning effective dynamics via kernel-based approximation of Koopman generator 8:50am - 9:10am Active, Multi-Fidelity Learning for Efficient Molecular Machine Learning 9:10am - 9:30am Artificial Intelligence based detection of local spots in network materials prone to mechanical failure. 9:30am - 9:50am Coupling continuum and high fidelity models with multilevel on-the-fly sparse grids |
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10:30am - 11:00am |
Coffee Break |
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11:00am - 12:00pm |
PL4: "Dynamics and control of aerial manipulation" Michael Beitelschmidt (TU Dresden) Location: G26/H1 Chair: Peter Eberhard Dynamics and control of aerial manipulation |
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12:00pm - 1:00pm |
PL5: "Conquering the quantum world: old problems and new challenges for the applied mathematics community" Eric Cancès (École des Ponts Paris) Location: G26/H1 Chair: Gero Friesecke Conquering the quantum world: old problems and new challenges for the applied mathematics community |
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1:00pm - 2:00pm |
GAMM-Rep: Internes Treffen der lokalen GAMM-Repräsentant*innen Location: G05/205 - Senate Room |
Lunch Break |
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2:00pm - 4:00pm |
S01.03: Dynamics and Multibody Systems – Fundamentals and Application Location: G22/217 Chair: Tamara Nestorovic Chair: Fabian Schmidtchen Optimisation of the hammer throw using parameterised synthetic motion kinematics in a multi-body system (MBS) 2:20pm - 2:40pm Development of a kinematic model for a free kinematic forming process to compute the tool trajectory 2:40pm - 3:00pm Analysis of dynamic absorption system with a nonlinear damper described by a fractional-order model 3:00pm - 3:20pm Nonlinear dynamics of group rolling of bodies between concentric circle paths |
S02.07: Multi-scale modeling Location: G22/111 Chair: Lena Lambers Immersed boundary approach for vascularized tissues 2:20pm - 2:40pm Generation of organ-scale synthetic vasculature using mathematical optimization 2:40pm - 3:00pm A multi-compartment perfusion model of blood flow through deformed hierarchical vessel networks 3:00pm - 3:20pm Coupling of a perfusion model to a poroelastic-growth model for modeling liver tissue regrowth 3:20pm - 3:40pm Towards multi-scale model selection for rare data applications in life sciences 3:40pm - 4:00pm Multiphase Modeling and Simulation of Function-Perfusion Processes in the Human Liver on Different Scales |
S03.06: Damage and fracture mechanics 6 Location: G22/013 Chair: Andreas Ricoeur Limitations of finite interface width in phase field simulations and solutions by the example of quasi-brittle damage evolution 2:20pm - 2:40pm On the influence of a nonlinear viscosity in a viscoelastic phase field model for fracture in ice 2:40pm - 3:00pm An Enriched Phase-Field Approach to Fracture: Transformed Phase-Field Ansatz (Part 1) 3:00pm - 3:20pm An Enriched Phase-Field Approach to Fracture: Enrichment of the Displacement Field (Part 2) 3:20pm - 3:40pm Prescribing traction-separation-laws to phase-field modelling of cohesive fracture |
S04.07: Various topics in Structural mechanics Location: G26/H1 Chair: Andreas Zilian Chair: Stephan Wulfinghoff Simulation of viscoplastic structures under material uncertainties using time-separated stochastic mechanics 2:20pm - 2:40pm Numerical analysis of the stress-based formulation of linear elasticity 2:40pm - 3:00pm Variational three-field reduced order modeling for nearly incompressible materials 3:00pm - 3:20pm Mitigation Techniques for Volumetric Locking in the Implicit Material Point Method (MPM) 3:20pm - 3:40pm Stabilization-free Virtual Element Method for 3D Hyperelastic Applications 3:40pm - 4:00pm Mathematical Foundation of the Master-Slave Elimination for Arbitrary Nonlinear Multi-Point Constraints |
S06.1.03: Various topics in Material modelling with metals Location: G16/H5 Chair: Alexander Niehüser An efficient implementation of a micromorphic gradient extended, rate-independent single crystal plasticity model based on an Augmented Lagrangian formulation 2:20pm - 2:40pm Barrier parameter update strategies for interior-point methods in single crystal plasticity 2:40pm - 3:00pm On discrete conservation of constraints in microstructure evolution 3:00pm - 3:20pm On the adaptive solution of phase-field problems with A-stable explicit last-stage diagonally implicit Runge-Kutta (ELDIRK) methods 3:20pm - 3:40pm Latent heat in a thermomechanical theory for inclusion growth prediction via the multiphase-field method |
S07.07: Magnetic/ferrorelectric/dielectric/piezoelectric materials Location: G16/215 Chair: Matthias Graf Chair: Klaus Hackl Domain wall dynamics in cubic magnetostrictive materials subject to Rashba effect and nonlinear dissipation 2:20pm - 2:40pm Finite element based micromagnetic simulations of heterogeneous microstructres 2:40pm - 3:00pm Fully-Coupled Finite Element Implementation of a Constitutive Model for Magnetic Shape Memory Alloys 3:00pm - 3:20pm Effect of nonlinear viscous dissipation on magnetic domain wall motion in transversely isotropic hexagonal magnetostrictive materials 3:20pm - 3:40pm Analytical and numerical investigations of Maxwell-stress-induced higher-order singularities in cracked dielectrics and piezoelectrics 3:40pm - 4:00pm Impact of inertial and nonlinear damping effects on the strain-induced domain wall motion in bilayer composite structure |
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S08.07: FFT and Solver Location: G16/054 Chair: Johanna Waimann A linear algebra perspective on FFT-accelerated finite element solvers for periodic homogenization 2:40pm - 3:00pm FFT-based computational micromechanics with essential boundary conditions 3:00pm - 3:20pm Fourier vs. Radon approach to computational homogenization 3:20pm - 3:40pm Multiscale(FE-FFT) approach to topology optimization using phase-field methods to generate intentionally designed porous structures 3:40pm - 4:00pm FE-DeepONet: A hybrid solver based on physics-informed deep operator networks for multiscale simulations |
S11.03: Viscoelastic Flows, Mixture Flows and Contact Line Dynamics Location: G22/216 Chair: Mathis Fricke Chair: Tomislav Maric Parametric finite element approximation of two-phase Navier--Stokes flow with viscoelasticity 2:40pm - 3:00pm An unstructured geometrical unsplit VOF method for viscoelastic two-phase flows 3:00pm - 3:20pm Phase-field modeling and computation of mixture flows 3:20pm - 3:40pm Bridging the scales in capillary rise dynamics with complexity-reduced models |
S14.07: Various topics in Applied analysis Location: G22/218 Chair: Markus Schmidtchen Analysis of a drift-diffusion model for perovskite solar cells 2:40pm - 3:00pm Analysis of a Soap Film Catenoid Driven by an Electrostatic Force 3:00pm - 3:20pm New results on global bifurcation of travelling periodic water waves 3:20pm - 3:40pm The two-phase periodic Stokes flow in the plane driven by surface tension and gravity |
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S17.03: Applied and Numerical Linear Algebra Location: G22/208 Chair: Davide Palitta Sketched and truncated Krylov methods for core linear algebra problems 2:40pm - 3:00pm A new rational Krylov subspace based projection method for solving large-scale algebraic Riccati equations via low-rank approximations 3:00pm - 3:20pm Extreme solutions of algebraic Riccati inequalities 3:20pm - 3:40pm Low-rank solution of restricted discrete-time Gramians |
S18.07: Time discretisation Location: G22/020 Chair: Philip Freese Two Discretisations of the Time-Dependent Bingham Problem 2:20pm - 2:40pm Time integration in spectral methods for reaction diffusion equations 2:40pm - 3:00pm Time discretisation of parabolic problems on evolving domains by means of a Crank-Nicolson scheme and implicit extensions 3:00pm - 3:20pm A Second-Order Iterative Time Integration Scheme for Linear Poroelasticity 3:20pm - 3:40pm A second order accurate in time positivity preserving scheme for a Chemotaxis system |
S19.07: Shape and topology optimization in Optimization of Differential Equations (2) Location: G22/211 Chair: Hannes Meinlschmidt Chair: Anne-Therese Rauls-Ehlert Robust PDE Constrained Design Optimization of Electrical Machines with Isogeometric Analysis 2:20pm - 2:40pm Riemannian shape optimization of thin shells using isogeometric analysis 2:40pm - 3:00pm Shape optimization on Riemannian manifolds including nonsmoothness 3:00pm - 3:20pm A Trust-Region Method for p-Harmonic Shape Optimization 3:20pm - 3:40pm Constrained Best Approximation of Symmetric Shape Tensors and its Role for the Determination of Shape Gradients 3:40pm - 4:00pm Shape Optimization of a Bipolar Plate using a Dimension Reduction Approach |
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S20.07: Control of distributed-parameter systems Location: G22/122 Chair: Klaus Röbenack Chair: Abdurrahman Irscheid Boundary control of distributed-parameter systems: A solution-based approach 2:40pm - 3:00pm Control design for convection-reaction systems with storage effects and positive relative degree 3:00pm - 3:20pm Open-Loop Control of Shallow Water Waves in a Tube with Moving Boundary in Material-Fixed Coordinates 3:20pm - 3:40pm Trajectory tracking control based on computer vision of a two-way soft prototype actuated with SMA wires 3:40pm - 4:00pm Feedback semiglobal stabilization to trajectories for the Kuramoto–Sivashinsky equation |
S23.02: Applied Operator Theory 2 Location: G22/112 Chair: Martin Grothaus Chair: Amru Hussein Optimal Sobolev Regularity for Degenerate Equations of Porous Media Type 2:40pm - 3:00pm Existence and Uniqueness of Solutions of the Koopman–von Neumann Equation on Bounded Domains 3:00pm - 3:20pm A Galerkin projection approach for general port-Hamiltonian descriptor systems 3:20pm - 3:40pm Input-to-state stability for unnbounded bilinear feedback systems |
S25.07: Various topics in Computational and mathematical methods in data science Location: G22/H2 Chair: Franziska Nestler Preconditioning the Kernel ANOVA SVM 2:20pm - 2:40pm Transformers and Function Approximation: What Can We Learn About the Attention Scheme? 2:40pm - 3:00pm On the invariance of Gaussian RKHS's under Koopman operators 3:00pm - 3:20pm Utilizing Machine Learning for Hydrogel Swelling Prediction |
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S26.07: Various Topics Location: G22/209 Chair: Muhammad Hassan Chair: Reinhold Schneider A Quasi Time-Reversible Grassmann extrapolation of density matrices for accelerating Born-Oppenheimer molecular dynamics 2:20pm - 2:40pm A Posteriori Error Analysis for Kohn-Sham Equations with Convex Exchange-Correlation Functionals 2:40pm - 3:00pm Applying a Well-Defined Energy Density for Machine-Learned Density Functionals 3:00pm - 3:20pm Moreau-Yosida Regularization in Density-Functional Theory |
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4:00pm - 4:30pm |
Coffee Break |
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4:30pm - 5:30pm |
PL6: "Dynamic fracture simulations with peridynamics and phase-field fracture" Kerstin Weinberg (U Siegen) Location: G26/H1 Chair: Stefanie Reese Dynamic fracture simulations with peridynamics and phase-field fracture |
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5:40pm - 6:40pm |
S01.04: Dynamic and Mechatronic Systems – Modelling, Simulation, Control Location: G22/217 Chair: Amit Kumar Pal Chair: Atta Oveisi Digital Twins of electrical switching devices for over-current protection with application to AI- assisted lifetime prognosis 6:00pm - 6:20pm Visual Feedback Control for Positioning Support of a Rotary Crane 6:20pm - 6:40pm A Spring-Mass Chain Multi-body Approach for Modeling Yarn Balloon Dynamics in Ring Spinning |
S04.08: Various topics in Structural mechanics Location: G26/H1 Chair: André Hürkamp Chair: Steffen Freitag Accelerating the design of the effective surface of pressing tools with probabilistic inverse modelling approaches 6:00pm - 6:20pm Structural dynamics of a Scaled Trailer Model: Investigation of the Influence of Different Loading Variants |
S06.1.04: Various topics in Material modelling with metals Location: G16/H5 Chair: Stefan Prüger Chair: Jörn Mosler Modeling of the phase transformation behavior in metastable austentic stainless steels 6:00pm - 6:20pm Elasticity in phase-field crystal models of solidification 6:20pm - 6:40pm Micromechanical multi-scale simulation of the directionally-solidified Mo-Hf-B alloy |
S06.2.05: Various topics in Material modelling with non-metals Location: G22/013 Chair: Nicolas Christ Chair: Alexander Lion Mesoscopic Structure Modeling of Flexible Macroporous Aerogels using Cluster-Cluster Aggregation 6:00pm - 6:20pm Double-surface plasticity for a micropolar continuum 6:20pm - 6:40pm Computational Modelling of Non-Woven Material Compression |
S07.08.1: Magnetic/ferrorelectric/dielectric/piezoelectric materials Location: G16/215 Chair: Maximilian Reichel Chair: Bjoern Kiefer A hybrid approach for ferroelectric continua combining the finite element method and an efficient scale bridging concept 6:00pm - 6:20pm Material modeling of ferroelectric solids in presence of flexoelectricity 6:20pm - 6:40pm Numerical detection of shaft misalignments using a sensor-integrating jaw coupling |
S07.08.2: Fluid-structure interaction Location: G22/H2 Chair: Dominik Brands Chair: Sonja Hellebrand Experimental characterization of acoustic damping materials 6:00pm - 6:20pm An automatic simulation pipeline for coupled simulations of acoustic damping materials 6:20pm - 6:40pm An approach simulating interacting solid, liquid and gas domains for dynamic seal applications |
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S08.08: Advanced Numerical and Experimental Techniques Location: G16/054 Chair: Fadi Aldakheel Micromechanics of X-Ray Diffraction Stress Measurements 6:00pm - 6:20pm Scale independent extension operators for manifold valued Sobolev maps on perforated domains 6:20pm - 6:40pm Application of upper bound rigid-block analysis method to porous solids |
S18.08: Multiscale methods Location: G22/020 Chair: Philip Freese On a multiscale formulation for rough boundaries 6:00pm - 6:20pm An adaptive stochastic Galerkin method based on multilevel expansions |
S20.08: System analysis Location: G22/122 Chair: Yevgeniia Yevgenieva Chair: Daniel Gerbet On the Kolmogorov n-width of reachable sets of the bilinear Schrödinger equation 6:00pm - 6:20pm Well-posedness and exponential stability of a controlled dispersed flow tubular reactor model 6:20pm - 6:40pm Towards checking BIBO stability for hyperbolic systems |
Date: Friday, 22/Mar/2024 | |||
8:30am - 10:30am |
S01.05: Modelling and Simulation of Dynamic Multibody Systems Location: G22/217 Chair: Amit Kumar Pal Chair: Atta Oveisi A non-stiff Lie group integrator for highly flexible structures with large rotations 8:50am - 9:10am A RATTLE integrator for the simulation of unilaterally constrained mechanical systems 9:10am - 9:30am Case Study on Modeling Multibody Systems as Port-Hamiltonian Systems 9:30am - 9:50am Structure-preserving time discretization of multibody systems with singular inertia matrix 9:50am - 10:10am Vibration analyses of a mandible |
S02.08: Mechanobiology Location: G22/111 Chair: Kian Abdolazizi Enhancing Leg Alignment in Adolescents: Exploring Optimal Positioning of Tension Band Implants for Guided Growth - A Finite Element Investigation 8:50am - 9:10am Application of the Neighbored Element Method on a Hamilton principle-based multi-species biofilm model 9:10am - 9:30am Cell-preserving Scheme for Mechanobiological Research on Dedifferentiation of Chondrocytes 9:30am - 9:50am A refined model for the coupled analysis of actice biological processes for meniscus tissue regeneration |
S03.07: Damage and fracture mechanics 7 Location: G22/013 Chair: Fadi Aldakheel Numerical investigations on three-dimensional metal cutting simulations within the Material Point Method employing the Johnson-Cook material law 8:50am - 9:10am Simulation of coated particles breakage using Discrete Element and Bonded Particle Method 9:10am - 9:30am Brittle fracture investigation in a coupled peridynamic and classical elasticity model 9:30am - 9:50am Peridynamic computations of wave propagation and dynamic fracture 9:50am - 10:10am Physics-based machine learning for computational fracture mechanics |
S04.09: Various topics in Structural mechanics Location: G26/H1 Chair: Christina Völlmecke Analytical considerations of the load-deflection behavior in fibers during a filament winding process 8:50am - 9:10am Computational Modeling of Concrete Composites with Short Shape Memory Alloys Fibers 9:10am - 9:30am Torwards a holistic simulation framework for the response of a multilayered pavement structure subjected to realistic tire loading 9:30am - 9:50am Additive Manufacturing in Structural Mechanics: Tackling Sustainable Development Goals through Cooperative Labwork 9:50am - 10:10am Numerical Validation of an Innovative 3D Calculation Method of High-Rise Buildings under Consideration of Component and Soil Stiffness 10:10am - 10:30am Experimental Validation of an Innovative Method for Minimization of Deformation Tolerances of Reinforced Concrete Ceilings |
S06.2.06: Various topics in Material modelling with non-metals Location: G16/H5 Chair: Daniel Juhre Chair: Alexander Lion How to Identify the hardening curve of PVDF films from tensile tests and simple shear tests for application in adhesive bondline modelling 8:50am - 9:10am Thermoviscoelastic modeling and simulation of enthalpy relaxation in thermoplastic polymers 9:10am - 9:30am Effects of Temperature and Humidity on the Interfacial Shear Strength of Carbon Fiber Reinforced Polyamide 6: Insights from Single Fiber Pull-Out Tests and Finite Element Analysis 9:30am - 9:50am Hydrothermal behavior of PA 6 reinforced with discontinuous long carbon fibers |
S07.09.1: Magnetic/ferrorelectric/dielectric/piezoelectric materials, Coupled flow problems Location: G16/215 Chair: Stefan Hartmann Chair: Jörg Schröder On the influence of the microstructure model on multiscale bone simulations 8:50am - 9:10am Efficient and Accurate Numerical Simulation of Micromagnetic Problems Using Projection-Based Finite Elements and Optimization on Manifolds 9:10am - 9:30am Dual Weighted Residual Error Estimation for a Stationary Coupled Fluid Flow Heat System 9:30am - 9:50am Thixoviscoplastic flow simulations based on Houska thixotropic and Bingham viscoplastic models 9:50am - 10:10am Advanced PIV-based measurement method to determine fiber orientation in a transparent fresh concrete substitute liquid 10:10am - 10:30am Port-Hamiltonian Modeling and Stability Analysis for Coupled Network PDAEs describing Gas Networks |
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S07.09.2: Coupling strategies Location: G22/H2 Chair: Lars Radtke Chair: Alexander Düster Convergence of waveform relaxation for coupled DAEs describing circuits with generalized elements 8:50am - 9:10am Towards model-based feedback control of hydrogels 3D bioprinting 9:10am - 9:30am Macroscopic properties of solid oxide fuel cell electrodes via microstructure-based numerical homogenization |
S08.09: Material Modeling Location: G16/054 Chair: Kai Langenfeld Concepts for modeling the inelastic behavior of foam structures 8:50am - 9:10am Multiscale analysis of interlocking effects for polymer additive manufacturing on aluminum foam 9:10am - 9:30am FE^2 method to model plane and rod-like carbon-based nanostructures 9:30am - 9:50am FE² simulation of low-cycle fatigue in metals 9:50am - 10:10am Modeling microstructural effects in scaffold mediated bone regeneration |
S13.02: Flow control (turbulence and reduced-order modelling) Location: G22/216 Chair: Marten Klein Chair: Jan Heiland Reduced Order Modelling in Fluid Mechanics: focus turbulence and compressibility 9:10am - 9:30am Model-based deep reinforcement learning for flow control 9:30am - 9:50am A volume-averaging and stochastic turbulence modeling framework for homogeneous roughness-induced drag in turbulent flows 10:10am - 10:30am Distributed control of Rayleigh--Bénard convection using symmetry-exploiting deep reinforcement learning |
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S17.04: Applied and Numerical Linear Algebra Location: G22/208 Chair: Davide Palitta A new fast numerical method for the generalized Rosen-Zener model and its application to matrix exponential approximation 8:50am - 9:10am Adaptive rational Krylov methods for exponential Runge--Kutta integrators 9:10am - 9:30am Mixed-precision Paterson--Stockmeyer method for evaluating matrix polynomials 9:50am - 10:10am The Fréchet derivative of the tensor t-function |
S18.09: Finite elements Location: G22/020 Chair: Christian Wieners Trefftz-DG for Stokes problems 8:50am - 9:10am Geometrically higher order unfitted space-time methods for PDEs on moving domains 9:10am - 9:30am Analysis of a nonconformig finite element method for vector-valued Laplacians on the surface 9:30am - 9:50am On H(Curl) shape functions 9:50am - 10:10am Derivation and simulation of thermoelastic Kirchhoff plates 10:10am - 10:30am ON THE DYNAMICS OF BLOWUP-POINTS: AN INVERSE MATRIX MODELING APPROACH FOR ESTIMATIONS ON THE NONLINEAR BEHAVIOR OF THE INCOMPRESSIBLE 3D NAVIER-STOKES EQUATION |
S20.09: Model order reduction Location: G22/122 Chair: Volker Mehrmann Chair: Ion Victor Gosea Structure-Preserving Interpolation of Quadratic-Bilinear Systems via Regular Multivariate Transfer Functions 8:50am - 9:10am Extending balanced truncation to general domains 9:10am - 9:30am Optimization-based model order reduction of port-Hamiltonian descriptor systems 9:30am - 9:50am Model reduction of descriptor systems with quadratic output functionals 9:50am - 10:10am Model Order Reduction for switched Differential Algebraic Equations 10:10am - 10:30am Removing Inconsistencies of Reduced Bases in Parametric Model Order Reduction by Matrix Interpolation |
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10:30am - 11:00am |
Coffee Break |
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11:00am - 12:00pm |
PL7: "Solving massive combinatorial optimization problems with PDE constraints" Sven Leyffer (Argonne National Labs) Location: G26/H1 Chair: Andrea Walther Topological Design Problems and Massive Integer Optimization |
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12:00pm - 1:00pm |
PL8: "Mixed-initiative engineering design" Stefanie Elgeti (TU Vienna) Location: G26/H1 Chair: Julia Kowalski Mixed-initiative engineering design |
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1:00pm - 2:00pm |
Closing: Closing Location: G26/H1 |
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