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, 15/Mar/2021 | |||
9:00am - 1:00pm |
Registration |
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1:00pm - 2:00pm |
Opening Location: W001 |
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2:00pm - 3:30pm |
PML: Prandtl Lecture Location: W002 Chair: Martin Oberlack On the spectrum of atmospheric motions |
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3:30pm - 4:30pm |
PL1 Location: W003 Chair: Jörg Schröder |
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4:30pm - 5:00pm |
Coffee Break |
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5:00pm - 7:00pm |
YRM1: Algorithms for coupled multi-physics problems Location: Z001 Chair: Matthias Mayr Chair: Alexander Heinlein A unified Nitsche approach for fluid-structure interactions and contact 5:20pm - 5:40pm Mixed-Dimensional Immersed Finite Element Approach for the Interaction of Submerged Fibers with Fluid Flow 5:40pm - 6:00pm Comparing Arterial Wall Models for the Curved Tube Fluid-Structure Interaction Benchmark 6:00pm - 6:20pm Simulating sea ice drift in the Southern Ocean using the LSFEM. 6:20pm - 6:40pm Load balancing for dynamic contact problems on distributed memory architectures 6:40pm - 7:00pm Purely hyperbolic self-gravitating flow simulations in Julia |
YRM2: Rank structured matrix and tensor techniques Location: Z002 Chair: Stefano Massei Chair: Davide Palitta Low rank approaches for the analysis of biomedical data from pre to post processing 5:20pm - 5:40pm Functional Tucker approximation using Chebyshev interpolation 5:40pm - 6:00pm A matrix equation method for solving PDE-constrained optimization problems 6:00pm - 6:20pm Compression properties and rank-structured solvers for Toeplitz, Vandermonde and related linear systems 6:20pm - 6:40pm Recycling subspaces for improved multidimensional alternating minimal energy solver |
YRM3: Recent developments in Isogeometric Analysis for Flow Problems Location: Z003 Chair: Philipp Morgenstern Chair: Andreas Apostolatos Adaptive isogeometric methods with inexact solvers 5:20pm - 6:00pm SPLINE-BASED METHODS FOR PARTITIONED FLUID-STRUCTURE INTERACTION 6:00pm - 6:20pm Mesh refinement for rate-optimal unstructured AS T-splines 6:20pm - 6:40pm C1 Isogeometric discretizations over multi-patch domains |
YRM4: Modelling, simulation and data-driven analysis of molecular systems Location: Z004 Chair: Feliks Nüske Discovery of complex reaction coordinates in autonomous artificial intelligence-guided computer simulations 5:20pm - 5:40pm Parareal algorithm in the context of Molecular Dynamics 5:40pm - 6:00pm The role of the lag time in spectral estimation for Markov processes 6:00pm - 6:20pm Tensor-based EDMD for the Koopman analysis of high-dimensional systems |
YRM5: Complexity Reduction in Optimal Control Location: Z005 Chair: Silke Manuela Glas Chair: Carmen Gräßle Reduced basis methods for quasilinear elliptic PDEs with applications to permanent magnet synchronous motors 5:20pm - 5:40pm ROM-based inexact subdivision methods for PDE-constrained multi objective optimization 5:40pm - 6:00pm Reduced Order Models for the Planning of Thermal Cancer Treatments 6:00pm - 6:20pm Finite element approximation of second-order PDEs in non-divergence form in the solution of Hamilton-Jacobi-Bellman equations 6:20pm - 6:40pm A-posteriori reduced basis error-estimates for a semi-discrete in space quasilinear parabolic PDE |
YRM6: Novel discretization methods for phase-field modeling in fracture mechanics Location: Z006 Chair: Fleurianne Bertrand Stress reconstructions for quasi-static phase-field fractures 5:20pm - 5:40pm Phase-field Modeling of Fractures in Nearly Incompressible Solids 5:40pm - 6:00pm Extension of the phase-field model to anisotropic pressurized fracture 6:00pm - 6:20pm Observation and viscoelastic modeling of tidal displacements at 79°N Glacier, Greenland 6:20pm - 6:40pm A coupled multi-phase/-scale numerical description for solidification processes of steel, using a phase-field model for phase-transformation 6:40pm - 7:00pm An anisotropic phase-field model for fracture based on a decomposition of the material tangent |
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7:00pm - 10:00pm |
Welcome Reception |
Date: Tuesday, 16/Mar/2021 | |||
8:30am - 10:30am |
S01.01: Numerical Methods in Multi-body Dynamics Location: Z001 Chair: Simon R. Eugster Geometric numerical integration in simulation and optimal control of biomechanical motion 9:10am - 9:30am Simulating mechanical systems with frictional contacts using a nonsmooth generalized-alpha method 9:30am - 9:50am Energy preservation and energy dissipation in the numerical solution of flexible multibody systems 9:50am - 10:10am On the Stabilization of DAEs by Partial Projection 10:10am - 10:30am Multistable Tensegrity Structure as Multimodal Locomotion System |
S02.01: Growth Location: Z002 Chair: Silvia Budday Age-dependent bone remodeling 8:50am - 9:10am On the influence of biological availability on bone remodelling 9:10am - 9:30am Continuum Model for Damage-Induced Healing of Soft Biological Tissues 9:30am - 9:50am A Multiscale and Multiphase Model of Function-Perfusion Growth Processes in the Human Liver 9:50am - 10:10am A multiscale perfusion model for metastatic liver tumor growth 10:10am - 10:30am Exploring the interplay between cellular development and mechanics in the developing human brain |
S03.01: Phase-field modeling of fracture I Location: Z003 Chair: Marreddy Ambati A strain gradient enhanced model for the phase-field approach to fracture 8:50am - 9:10am Adaptive Shape Functions for a Phase Field Fracture Model 9:10am - 9:30am Space-dependent transition zone parameter for a phase-field model of brittle fractures 9:30am - 9:50am A phase field approach to cohesive fracture in line with Conti et al. [1] 9:50am - 10:10am Prediction of effective anisotropic properties of heterogeneous microstructures using a crack phase-field model 10:10am - 10:30am Fast implicit FFT-based solvers for phase-field brittle fracture problems on heterogeneous microstructures |
S04.01: FE-technique & IGA (1/2) Location: Z004 Chair: Thomas-Peter Fries Adaptive Particle Finite Element MEthod (A-PFEM) in metal cutting processes 8:50am - 9:10am An objective and path independent geometrically non-linear Reissner-Mindlin shell formulation 9:10am - 9:30am Comparison of Performance and Accuracy of the FETI-Methods and a Direct Sparse FE-Solver for Truss Structures 9:30am - 9:50am An embedded domain method for non-linear structural membranes 9:50am - 10:10am Nonlinear computation of cables with high order solid elements using an anisotropic material model 10:10am - 10:30am Possibilities and limitations of using arbitrary precision numbers in computational mechanics |
S05.01: System dynamics Location: Z005 Chair: Elmar Woschke Modern Numerical Approaches to Quasiperiodic Oscillations 9:10am - 9:30am Simulation of a tool shank for HSC-milling under the influence of an unbalance 9:30am - 9:50am Nonlinear vibrations of rotating rings and shells under the usage of the finite element method 9:50am - 10:10am On A Hybrid Concept for Approximating Self-Excited Periodic Oscillations of Large-Scaled Dynamical Systems 10:10am - 10:30am Bimodal parametric excitation of a micro-ring gyroscope |
S06.01: Material modelling in solid mechanics Location: Z006 Chair: Patrick Kurzeja Chair: Jörn Mosler A Novel Approach to Gradient Plasticity: Dislocation and Disequilibrium Densities 9:10am - 9:30am Averaging in dislocation mediated plasticity 9:30am - 9:50am A new variational approach for the thermodynamic topology optimization of hyperelastic structures 9:50am - 10:10am The evolution of Hooke's law under plastic deformations of fiber reinforced materials 10:10am - 10:30am On the incorporation of curvature effects into the isogeometric analysis of fibre-reinforced solids |
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S07.01: Modelling the Behaviour of Magneto-active Materials Location: Z007 Chair: Markus Kästner Modeling and analysis of magneto-elastic coupling using IGA 8:50am - 9:10am Numerical modelling of electro-viscoelasticity for fibre reinforced electro-active polymers. 9:10am - 9:30am Multiscale bone modeling considering full coupling of mechanical, electrical and magnetic effects 9:30am - 9:50am A comparative study of FE-schemes for micromagnetic simulations |
S08.01: Multiscales and homogenization Location: Z008 Chair: Dietmar Gallistl Remarks on homogenization techniques in solid mechanics 9:10am - 9:30am Investigation of instabilities due to growth of an elastic film on a heterogeneous, microstructured substrate: analytical and computational multi-scale approaches 9:30am - 9:50am An RVE-based investigation of thermoplastic vulcanizates exemplified by EPDM/PP 9:50am - 10:10am Efficient monolithic solution of FE²-problems 10:10am - 10:30am Wang tilings for modeling and simulation of non-periodic heterogeneous materials |
S10.01: Turbulence and reactive flows Location: Z010 Chair: Olga Shishkina Wall-bounded combustion 9:10am - 9:30am Numerical Modeling of Reactive Cleaning of Steel Melt in an Induction Crucible Furnace 9:30am - 9:50am Stochastic Modeling of a Lifted Methane/Air Jet Flame with Detailed Chemistry 9:50am - 10:10am On Spray Modeling with Quadrature-Based Moment Methods 10:10am - 10:30am An adaptive multiresolution framework applied to turbulent compressible reacting flows |
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S11.01: Bubbles and Droplets Location: Z011 Chair: Dirk Peschka Chair: Markus Scholle Modeling and simulation of mass-transfer across fluid interfaces 9:10am - 9:30am Self-similar spreading with dynamic contact angles 9:30am - 9:50am Experimental investigations on rising bubbles in vertical capillaries |
S14.01: Applied analysis Location: Z014 Chair: Marita Thomas Nonlocal-to-local convergence of Cahn-Hilliard equations 8:50am - 9:10am Sharp Interface Limits with constant Contact Angle unequal 90° - Model Problems 9:10am - 9:30am Weak-strong uniqueness and stability of evolutions for multi-phase mean curvature flow 9:30am - 9:50am Convergence of Ginzburg-Landau approximations to certain complex fluid models 9:50am - 10:10am Recent analytical developments on the dynamics of nematic liquid crystals 10:10am - 10:30am Optimal L1-relaxation and metastability for the Cahn–Hilliard equation with “bump-like” initial data |
S15.01: Machine Learning and Inverse Problems Location: Z015 Chair: Andera Barth A neural network-based ensemble filter for non-linear data assimilation 8:50am - 9:10am Constitutive artificial neural networks: a general anisotropic constitutive modeling framework utilizing machine learning 9:10am - 9:30am Physics informed neural networks for homogenization of complex microstructures 9:30am - 9:50am Chance-constrained optimal control of a gas-to-power system 9:50am - 10:10am Influence of geometrical variation on mechanical properties of fibrous paper materials: a multivariate regression analysis |
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S16.01: Optimization Location: Z016 Chair: Martin Siebenborn A Reformulation Technique for Nonlinear Bilevel Programs Based on Sequential Quadratic Programming 8:50am - 9:10am Mixed-integer programming based truss topology optimization of large-scale lattice structures for additive manufacturing 9:10am - 9:30am Preferable Minima in Nonlinear Optimization: Definition and Algorithmic Approaches 9:30am - 9:50am Regularization Techniques in Integer Optimal Control |
S17.01: Krylov convergence behavior, eigenvalue problems, and GR decompositions Location: Z017 Chair: John William Pearson Particular, worst and average cases in the analysis of Krylov subspace methods 9:10am - 9:30am Prescribing convergence behavior of block GMRES and block Arnoldi 9:30am - 9:50am The symmetric eigenvalue problem and hypergraphs 9:50am - 10:10am A rational Even-IRA algorithm for the solution of even polynomial eigenvalue problems 10:10am - 10:30am GR decompositions and their relations to Cholesky-like factorizations |
S18.01: Concepts in the Finite Element Method Location: Z018 Chair: Christoph Lehrenfeld The maximal angle condition on finite elements - useful or not? 9:10am - 9:30am Finite Elements and the Memory Wall 9:30am - 9:50am Gradient Flow Finite Element Discretizations with Energy-Based Adaptivity for the Gross-Pitaevskii Equation 9:50am - 10:10am Symbolic evaluation of $hp$-FEM element matrices on simplices 10:10am - 10:30am On the efficiency of the numerical solution of partial differential equations |
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S19.01: Shape and Topology Optimization Location: Z019 Chair: Constantin Christof Chair: Johannes Pfefferer Towards a Newton shape derivative scheme for VI constrained shape optimization problems 8:50am - 9:10am Shape optimization with large deformations based on nonlinear extension equations 9:10am - 9:30am Shape, topology and eigenvalue optimization of elastic structures: a multi-phase-field approach 9:30am - 9:50am Topology Optimization subject to a Local Volume Constraint 9:50am - 10:10am Reconstruction of small inhomogeneities using first and second order topological derivatives 10:10am - 10:30am Numerical Identification of Motor Units in Muscles |
S20.01: Learning-based and Distributed MPC Location: Z020 Chair: Moritz Schulze Darup Learning- and data-based model predictive control with robustness guarantees 9:10am - 9:30am Learning-Based Model Predictive Control for Multi-Agent Systems using Gaussian Processes 9:30am - 9:50am Comparison of Model Predictive and Graph Algebraic Approaches to Distributed Formation Control 9:50am - 10:10am Efficient Solution of Distributed MIP in Control of Networked Systems 10:10am - 10:30am Infinite-horizon optimal control – Stability and dissipativity |
S21.01: Mathematical signal and image processing Location: Z021 Chair: Michael Moeller Chair: Gerlind Plonka-Hoch Transport metrics in signal and image processing 9:10am - 9:30am On the Correspondence between Replicator Dynamics and Assignment Flows 9:30am - 9:50am Solving Inverse Problems With Deep Neural Networks - Robustness Included? 9:50am - 10:10am Bregman Proximal Framework for Deep Linear Neural Networks 10:10am - 10:30am Data driven regularization by projection |
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10:30am - 11:00am |
Coffee Break |
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11:00am - 12:00pm |
PL2 Location: W001 Chair: Alexander Düster The method of vertical lines in non-linear finite elements |
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12:00pm - 1:00pm |
PL3 Location: W002 Chair: Andreas Meister Data driven variational models for solving inverse problems |
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1:00pm - 2:00pm |
Lunch Break |
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2:00pm - 4:00pm |
DFG-PP 1748: Reliable simulation techniques in solid mechanics. Location: Z005 Chair: Jörg Schröder Chair: Thomas Wick Virtual Element Formulation for Finite Strain Elastodynamics 2:20pm - 2:40pm Stochastic modelling of tensor fields 2:40pm - 3:00pm Adaptive numerical simulation of quasi-static phase-field fractures 3:00pm - 3:20pm A Discussion of Finite Element Discretizations for Fracture Phase Field Models 3:20pm - 3:40pm Adaptive isogeometric phase-field modelling – diffuse heterogeneities, fracture, and structural optimization |
DFG-PP 1798: Compressed sensing in information processing (CoSIP) Location: Z006 Chair: Robert J. Kunsch Sparse transforms for arbitrary linear maps 2:20pm - 2:40pm RadioUNet: Fast Radio Map Estimation with Convolutional Neural Networks |
DFG-PP 1881: Turbulent Superstructures Location: Z007 Chair: Jörg Schumacher Introduction to the Priority Programme on Turbulent Superstructures 2:20pm - 2:40pm Lagrangian analysis of long-term dynamics of turbulent superstructures in Rayleigh–Bénard convection using evolutionary spectral clustering 2:40pm - 3:00pm Time Resolved PIV for Pipe Flow Structure at shear Reynolds Number of $Re_\tau\le{5000} 3:00pm - 3:20pm Turbulent superstructuers in turbulent boundary layers at high Reynolds and Mach numbers 3:20pm - 3:40pm Local heat transfer measurements in large aspect ratio Rayleigh-Bénard convection |
DFG-PP 1886: Polymorphic uncertainty modelling for the numerical design of structures Location: Z008 Chair: Michael Kaliske A data-driven FEM approach to problems with uncertain material data 2:20pm - 2:40pm An uncertainty model for the curing process of transversely fiber reinforced plastics 2:40pm - 3:00pm Efficient domain decomposition based reliability analysis for polymorphic uncertain material parameters 3:00pm - 3:20pm Optimization of additively manufactured polymer scaffolds for bone tissue engineering 3:20pm - 3:40pm Optimization of Glulam Beams with Spatial Dependent Polymorphic Uncertainty Modeling of Structural Inhomogeneity 3:40pm - 4:00pm The moving particles method for reliability estimation: recent advances |
DFG-PP 1897: Novel approaches for influencing vibrations by means of deliberately introduced dissipation Location: Z009 Chair: Peter Eberhard Chair: Elizaveta Shishova Limit cycle computation of self-excited dynamic systems using nonlinear modes 2:20pm - 2:40pm Study on model reduction for position optimization of acoustic black holes 2:40pm - 3:00pm Modeling the Mullins Effect of rubbers used in constrained-layer damping applications 3:00pm - 3:20pm Active Damping of Thin Film Shape Memory Alloy Devices 3:20pm - 3:40pm Experimental and numerical study of the effects of granular mixture composition on the elastic moduli 3:40pm - 4:00pm Towards the Simulation of the Friction Stir Welding Process with the Smoothed Particle Hydrodynamics Method 4:00pm - 4:20pm New prospect for a combined operating mode of magnetorheological damper |
DFG-PP 1962: Non smooth and complementarity-based distributed parameter systems Location: Z010 Chair: Michael Hinze SPP 1962: Non smooth and complementarity-based distributed parameter systems: simulation and hierarchical optimization 2:20pm - 2:40pm Shape and topology optimization in fluids using phase field models 2:40pm - 3:00pm Total Generalized Variation with Finite Elements and Applications 3:00pm - 3:20pm On subdivision and continuation methods for nonsmooth multiobjective optimization problems 3:20pm - 3:40pm Numerical Methods for the Regularized Beckmann Problem 3:40pm - 4:00pm Computing M-stationary points by a semismooth Newton method |
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DFG-PP 2020: Cyclic deterioration of high-performance concrete in an experimental-virtual lab Location: Z011 Chair: Stefan Löhnert Chair: Fadi Aldakheel Chair: Johannes Storm Multi-level approach for modelling the post-cracking response of steel fibre reinforced concrete under monotonic and cyclic loading 2:20pm - 2:40pm Macroscopic model for steel fiber reinforced high performance concrete based on unit cell calculations 2:40pm - 3:00pm Phase-field Fracture with Representative Crack Elements at Finite Deformations |
DFG-PP 2256: Variational Methods for Predicting Complex Phenomena in Engineering Structures and Materials Location: Z012 Chair: Georg Dolzmann PP 2256 - Variational Methods for Predicting Complex Phenomena in Engineering Structures and Materials 2:20pm - 2:40pm Chemo-Mechanics: Variational Settings and Numerical Aspects 2:40pm - 3:00pm Variational based effective models for inelastic materials 3:00pm - 3:20pm Compliance minimization with surface penalization for a uniaxial load 3:20pm - 3:40pm On relative energy estimates for diffuse interface models of two-phase flows and their structure-preserving discretization 3:40pm - 4:00pm On a 2D H1xHcurl finite element ansatz for the relaxed micromorphic model |
MS1: Computational Photonics Location: Z001 Chair: Bernd Witzigmann Modeling and Simulation of the dynamics in semiconductor lasers 2:20pm - 2:40pm Numerical methods for resonance phenomena in nanophotonics 2:40pm - 3:00pm Simulation of quantum cascade lasers 3:00pm - 3:20pm Numerical Modelling of III-Nitride Light Emitting Diodes 3:20pm - 3:40pm Ray tracing in thermally loaded solid-state laser crystals |
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MS2: Symbolic computation methods for differential equations, dynamical systems, and control theory Location: Z002 Chair: Werner M. Seiler Chair: Eva Zerz On the relationship between Ritt and Kolchin differential algebra and tropical differential geometry 2:40pm - 3:00pm Algorithmic aspects of the algebraic parameter estimation problem 3:00pm - 3:20pm Algorithmic Approach to Strong Consistency Analysis of Finite Difference Approximations to PDE Systems 3:20pm - 3:40pm Algorithms for DD-finite functions 3:40pm - 4:00pm Symbolic computation for linear operators with matrix coefficients |
MS3: Dissipativity, Turnpikes, and Optimal Control Location: Z003 Chair: Timm Faulwasser Chair: Lars Grüne The talks in the session explain how the concepts of dissipativity and turnpikes help to understand the qualitative behaviour of solutions to optimal control problems.
Dissipativity in economic model predictive control: beyond steady-state optimality 2:20pm - 2:40pm Economic MPC without terminal constraints: Gradient-correcting end penalties enforce asymptotic stability 2:40pm - 3:00pm Storage functions for differential-algebraic equations 3:00pm - 3:20pm Turnpike in optimal shape design 3:20pm - 3:40pm Turnpike structures for the solutions of optimal control problems with objective functions of tracking type 3:40pm - 4:00pm On the Relation of Velocity Turnpikes and Motion Primitives in Optimal Control of Mechanical Systems |
MS4: Advanced experimental and computational techniques in polymer mechanics Location: Z004 Chair: Jean-Benoit LE CAM Chair: Vu Ngoc Khiêm Energy balance from thermomechanical characterization: new insights to revisit the deformation mechanisms in rubbers 2:20pm - 2:40pm Experimental study on cavitation in rubber vulcanizates subjected to constrained tensile deformation 2:40pm - 3:00pm Mechanics of multiple network elastomers 3:00pm - 3:20pm Fracture simulation of fibre reinforced polymers by the phase-field approach 3:20pm - 3:40pm Experimental investigation and modelling of photopolymers for additive manufacturing processes |
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4:00pm - 4:30pm |
Coffee Break |
PS1: Poster Session 1 Chance-constrained optimal control of hyperbolic supply systems Cooperative Object Transportation: Modeling, Control Design and Experiments Including the Dissipative Properties from Molecular Dynamics Simulations into a Phase Field Model for Wetting Automated shape differentiation and optimization using NGSolve Shape Optimization in Shape Spaces Reconstruction of quasi-local numerical effective models Phase-field modeling of fracture in heterogeneous materials Variational modeling of irreversible effects during solid/solid phase transformations Mathematical analysis and simulation of field models in accelerator circuits Robust Controller Design for Large Sparse Systems A Multiscale Model of Growth Processes in Soft Tissue Adaptive concepts in POD model reduction Motion design of structures based on a variational formulation Microstructural modeling in solid mechanics A mixed phase-field fracture model - numerical simulation compared to experiments in punctured EPDM strips Model Order Reduction in Production Engineering Dislocation density tensors in finite plasticity On a novel approach for modeling liquid crystalline flows Machine Learning for Nonlinear Dynamics A Biphasic Fiber Reinforced Model of Articular Cartilage |
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4:30pm - 6:30pm |
S01.02: Dynamics of Rods and Soft Robotics Location: Z001 Chair: Kristin Miriam de Payrebrune Finite element formulations for constrained spatial nonlinear beam theories 5:10pm - 5:30pm Modelling a carbon spring foot prosthesis as a predeformed geometrically exact beam 5:30pm - 5:50pm Soft touch between a highly flexible bio-inspired tactile sensor and 3D objects 5:50pm - 6:10pm Simulative investigation of the locomotion of a snake-like soft robot 6:10pm - 6:30pm Curvature sensing of a soft robot based on conductive foam |
S02.02: TPM & parameter identification Location: Z002 Chair: Tim Ricken Simulating vertebroplasty: A biomechanical challenge 4:50pm - 5:10pm Modelling basal-cell carcinoma behaviour in avascular skin 5:10pm - 5:30pm Towards Consideration of Osteoarthritis in Articular Cartilage by Numerical Modeling of a Hyperelastic Biphasic Fiber Reinforced Model 5:30pm - 5:50pm Inverse Identification of Material Properties of the Human Eye Using Optical Deformation Measurements 5:50pm - 6:10pm Identification of mechanical models and parameters for alginate-based hydrogels as proxy materials for brain tissue |
S03.02: Phase-field modeling of fracture II Location: Z003 Chair: Ralf Müller A coarse-grained phase-field crystal model of plastic motion 4:50pm - 5:10pm Suction-induced fracturing in multiphase porous materials: Numerical modeling and experimental validation 5:10pm - 5:30pm Phase-field modelling and simulation of fracture in viscoelastic materials 5:30pm - 5:50pm Phase-field modelling of fatigue crack fracture under residual stresses 5:50pm - 6:10pm Experimental investigation and numerical simulation of cyclic deformation behavior of SLM-manufactured aluminum alloys |
S04.02: FE-technique & IGA (2/2) Location: Z004 Chair: Peter Betsch xNy-elements in the finite cell method for simulating multi-material problems 4:50pm - 5:10pm Efficient numerical treatment of a gradient damage model for materials undergoing large deformations. 5:10pm - 5:30pm Local Refinement in Isogeometric Analysis of Complex Tire Models 5:30pm - 5:50pm High Performance Mesh Distortion Insensitive Unsymmetric EAS Elements for Linear Elasticity 5:50pm - 6:10pm Experimental analyses of the effects of cooling lubricants to expand an FEM-based physical grinding force model 6:10pm - 6:30pm A remeshing approach for the finite cell method applied to problems with large deformations |
S05.02: Multi-field & vehicle dynamics Location: Z005 Chair: Johann Groß High-order SBFEM solution of the Reynolds equation 4:50pm - 5:10pm Modeling of fiber-bending stiffness in fiber-reinforced composites with a dynamic mixed-finite element method based on the principle of virtual power 5:10pm - 5:30pm Hopf bifurcations for an oversteer vehicle - the influence of wheel load changes 5:30pm - 5:50pm Non-Linear Vehicle Dynamics with Multiplicative Road Models |
S06.02: Material modelling in solid mechanics Location: Z006 Chair: Patrick Kurzeja Chair: Jörn Mosler A primal-dual interior point algorithm for single crystal plasticity 4:50pm - 5:10pm On the algorithmic formulation of local and non-local crystal plasticity models 5:10pm - 5:30pm Gradient-extended crystal inelasticity with a coupling of a microtractions and decohesion model 5:30pm - 5:50pm Phase-field modelling and simulation of the evolution of twelve crystallographic martensite variants in austenitic parent grains 5:50pm - 6:10pm Structural design of additively manufactured porous Zr-based bulk metallic glass 6:10pm - 6:30pm Virtual element method for finite strain crystal-plasticity |
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S07.02: Discretization Methods Location: Z007 Chair: Dominik Schillinger An efficient method for multi-physical problems using coupled isogeometric boundary elements and finite elements. 4:50pm - 5:10pm Building models for coupled thermo elastic problems in different software architectures using a new model exchange format 5:10pm - 5:30pm Variationally consistent framework to discretize higher-order imperfect interface models for thin layers with isogeometric cut finite element methods 5:30pm - 5:50pm Investigation of different discretizations in time for the modeling of dynamic behavior of saturated porous media 5:50pm - 6:10pm A partitioned scheme for coupling of FEM and DEM simulations of granular materials |
S08.02: Multiscales and homogenization Location: Z008 Chair: Malte A. Peter Introduction to numerical homogenization of PDEs with arbitrary rough coefficients 5:10pm - 5:30pm Reconstruction of quasi-local numerical effective models 5:30pm - 5:50pm Numerical Homogenization of Heterogeneous Fractional Laplacians 5:50pm - 6:10pm Numerical Homogenization of Multiscale Fault Networks 6:10pm - 6:30pm Numerical stochastic homogenization by quasilocal effective diffusion tensors |
S10.02: Turbulence and reactive flows Location: Z010 Chair: Sven Eckert Superstructures in Rayleigh-Bénard turbulence 5:10pm - 5:30pm Velocity and Thermal Boundary Layer Equations for Turbulent Rayleigh-Benard Convection 5:30pm - 5:50pm BOUNDARY ZONAL FLOW IN TURBULENT ROTATING RAYLEIGH–BÉNARD CONVECTION 5:50pm - 6:10pm Rotating turbulent Rayleigh-Bénard convection at very large Rayleigh numbers 6:10pm - 6:30pm TURBULENT LIQUID METAL RAYLEIGH-BÉNARD CONVECTION AT HIGH RAYLEIGH NUMBERS |
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S11.02: Multiphase Flows Location: Z011 Chair: Markus Scholle Chair: Helmut Abels Chair: Dirk Peschka Sharp Interface Limits of Diffuse Interface Models for Two-Phase Flows 5:10pm - 5:30pm A Model for Bilayer Couette Flow in Topographically Patterned Lubricated Contacts 5:30pm - 5:50pm Evaluation of Lagrangian Particle Information from VOF Simulation Data |
S14.02: Applied analysis Location: Z014 Chair: Alexander Mielke Existence of global weak solutions to an inhomogeneous Doi model for active liquid crystals 4:50pm - 5:10pm About a magnetic diffuse interface model and an existence result 5:10pm - 5:30pm Explicit Results and Numerical Implementations in the Electromagnetic Field Theory 5:30pm - 5:50pm On the field-induced transport of magnetic nanoparticles in incompressible flow 5:50pm - 6:10pm Regular patterns in systems in equilibrium: From ferrofluids to dipolar Bose-Einstein condensates |
S15.02: (Multilevel) Monte Carlo Methods Location: Z015 Chair: Felix Lindner A simple approach to proving well-posedness and convergence rates for a broad class of McKean--Vlasov equations 4:50pm - 5:30pm MLMC method to estimate propagation of uncertainties in electromagnetic fields scattered from objects of uncertain shapes 5:30pm - 5:50pm Importance sampling for a robust and efficient multilevel Monte Carlo estimator for stochastic reaction networks 5:50pm - 6:10pm Method of Green's potentials for elliptic PDEs in domains with random boundaries |
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S16.02: Optimization Location: Z016 Chair: Martin Siebenborn A finite differences approach for optimization of gas networks 4:50pm - 5:10pm A combinatorial framework for Mixed-integer optimal control problems 5:10pm - 5:30pm Analysis and numerical solution of an optimal control problem arising in non-Newtonian fluid mechanics 5:30pm - 5:50pm Variational discretization of a parabolic optimal control problem with sparse initial data |
S17.02: Optimization, network analysis, and fluids Location: Z017 Chair: Kirk M Soodhalter Optimization of a partial differential equation on a complex network 4:50pm - 5:10pm Fast Solvers and Multilevel Circulant Preconditioners for Fractional Differential Equation Constrained Optimization 5:10pm - 5:30pm Frequency-weighted damping via non smooth optimization and fast computation of QEPs 5:30pm - 5:50pm Extended Group Finite Element Method for a port-Hamiltonian Formulation of the Non-Isothermal Euler Equations |
S18.02: Numerics for Hyperbolic PDEs Location: Z018 Chair: Herbert Egger Model adaptation of hyperbolic balance laws 4:50pm - 5:10pm High order well-balanced scheme for hyperbolic balance laws 5:10pm - 5:30pm Fluxes on the mesoscopic level: Boltzmann vs. BGK models 5:30pm - 5:50pm Numerics of gas pipeline networks 5:50pm - 6:10pm Numerical methods to solve non-local conservation laws for material flow problems 6:10pm - 6:30pm Implicit methods for district heating networks |
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S18.03: Surface PDEs and unfitted discretizations Location: Z028 Chair: Christoph Lehrenfeld Liquid crystals on deformable surfaces 5:10pm - 5:30pm A trace finite element method for Allen-Cahn equation on evolving surfaces 5:30pm - 5:50pm φ-FEM: a finite element method on domains defined by level-sets 5:50pm - 6:10pm A subgrid-scale boundary layer model following from the unification of Nitsche's method and variational multiscale analysis 6:10pm - 6:30pm An unfitted Eulerian finite element method for the time-dependent Stokes problem on moving domains |
S19.02: Non-smooth Systems Location: Z019 Chair: Max Winkler Analysis of Optimal Control Problems with an $L^0$ Term in the Cost Functional 4:50pm - 5:10pm Structure Exploitation (not only) for PDE Constrained Nonsmooth Optimization 5:10pm - 5:30pm Second-order optimality conditions of an optimal control problem governed by a regularized phase-field fracture propagation model 5:30pm - 5:50pm Optimal control of the fractional Laplace equation 5:50pm - 6:10pm Optimal control of the drift in Fokker-Planck equations 6:10pm - 6:30pm Characterization of fluid flows and identification of fluid flow domains by a coupled CFD-MRI method |
S20.02: Model Order Reduction and System Identification Location: Z020 Chair: Jens Saak Structure-Preserving Model Reduction for Bilinear Systems 4:50pm - 5:10pm Model Reduction of Differential-Algebraic Systems by Parameter-Dependent Balanced Truncation 5:10pm - 5:30pm AAA-inspired systems-theoretic model reduction for linear dynamical systems 5:30pm - 5:50pm Structure Preserving Model Order Reduction by Parameter Optimization 5:50pm - 6:10pm Identification of Second-Order Systems from Frequency Response Data 6:10pm - 6:30pm Data-Driven Identification of Dynamical Systems with Hard (non-trivial, strong) Nonlinearities |
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S21.02: Mathematical signal and image processing Location: Z021 Chair: Gerlind Plonka-Hoch Chair: Michael Moeller Super-resolution of points and curves 5:10pm - 5:30pm Deterministic sparse and stable FFT for M-sparse vectors 5:30pm - 5:50pm Exact Reconstruction of Extended Exponential Sums from their Fourier Coefficients 5:50pm - 6:10pm Exact Reconstruction of Sparse Non-Harmonic Signals from Fourier Coefficients 6:10pm - 6:30pm Structured Low-Rank Approximation of Hankel Matrices |
S24.01: History of Mechanics and Mathematics Location: Z024 Chair: Otto Timme Bruhns Chair: Dietmar Gross On the History of Mechanics in St. Petersburg/Petrograd/Leningrad 4:50pm - 5:10pm Plasticity, Viscosity , Tenacity – Remarks on the bitter Forbes – Tyndall Controversy 5:10pm - 5:30pm History of "Sneddon" solution in contact mechanics 5:30pm - 5:50pm The contribution of Theodore von Kármán to the development of metal forming technology 5:50pm - 6:10pm Johannes Kepler's comments in Jost Bürgi's manuscript on "Coss" 6:10pm - 6:30pm Selected historical aspects of wave phenomena in the context of dynamical systems, and applications in seamless learning |
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7:30pm - 8:30pm |
Die Wasserkünste von Wilhelmshöhe - Technik und Kunst Location: W003 Chair: Detlef Kuhl |
Date: Wednesday, 17/Mar/2021 | |||
8:30am - 9:30am |
S02.03: Implants & virtual injury criteria Location: Z002 Chair: Arndt Wagner Long-Term Stability and Debonding of Cementless Implants 8:50am - 9:10am Testing individualized trauma implants via a new workflow under realistic daily life scenarios 9:10am - 9:30am An Active Female Human Body Model for Simulation of Rear-End Impact Scenarios |
S03.03: Experimental damage and fracture mechanics Location: Z003 Chair: Martin Abendroth Porosity analysis in advanced materials for aero engines 8:50am - 9:10am Damage and fracture of the optimized X0-specimen 9:10am - 9:30am Identifying the Non-local Interactions of Self-Adhesive Polymeric Films with Digital Images of T-peeling |
S04.03: Data-driven approach Location: Z004 Chair: Christian J. Cyron A data-driven approach for the structural analysis of hybrid metal-fiber reinforced plastic laminates 8:50am - 9:10am Data-driven Material Modeling combining Proper Orthogonal Decomposition and Neural Networks 9:10am - 9:30am Lapping as a tribological system and parameter identification aspects 9:30am - 9:50am Minimum weight design of curvilinearly grid-stiffened variable-stiffness composite fuselage panels considering buckling and manufacturing constraints 9:50am - 10:10am Sandwich panels with functionally graded strut-based lattice cores |
S06.03: Material modelling in solid mechanics Location: Z006 Chair: Björn Kiefer Chair: Stefan Diebels Neural networks for structural optimisation of mechanical metamaterials 8:50am - 9:10am Applications of a hybrid approach to describe the elastic-plastic deformation behavior of foam like media involving neural networks 9:10am - 9:30am Concentration-Specific Constitutive Modeling of Gelatin Based on Artificial Neural Networks |
S08.03: Multiscales and homogenization Location: Z008 Chair: Natalie Rauter Towards the engineering design of metamaterials structures through micromorphic enriched continuum modeling 8:50am - 9:10am Relaxed micromorphic modeling of finite-size mechanical metamaterials 9:10am - 9:30am Transparent relaxed micromorphic description of anisotropy in metamaterials |
S08.04: Multiscales and homogenization Location: Z027 Chair: Matti Schneider Multiscale modelling of the cyclic behavior of metallic materials with graded microstructure 8:50am - 9:10am Integral-type non-local damage simulation of composites using mean-field homogenization methods |
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S15.03: Stochastic Analysis and Processes Location: Z015 Chair: Andera Barth Strong convergence rates for space-time discrete numerical approximation schemes for stochastic Burgers equations 8:50am - 9:10am Hyperbolic conservation laws with stochastic jump coefficient 9:10am - 9:30am Modeling of directional uncertainty using moments of the angular central Gaussian |
S18.04: Time discretization for PDEs Location: Z018 Chair: Herbert Egger Continuous Galerkin Schemes for Semi-Explicit Differential-Algebraic Equations 8:50am - 9:10am Uzawa-type iterative methods for double saddle point problems in poromechanics 9:10am - 9:30am Evaluation and development of a spectral deferred correction method for convection-diffusion equations |
S20.03: Applied Control Theory Location: Z020 Chair: Lars Grüne Chair: Moritz Schulze Darup Idiophones - even simple looking musical instruments are very demanding 8:50am - 9:10am A transfer operator based computational study of mixing processes in open flow systems 9:10am - 9:30am Trajectory Planning for Closed Kinematic Chains Applied to Cooperative Motions in Health Care |
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S21.03: Mathematical signal and image processing Location: Z021 Chair: Gerlind Plonka-Hoch Chair: Michael Moeller The Deep Capsule Prior - Unsupervised image processing for computed tomography 8:50am - 9:10am Generating a Real World Traffic Sign Object Detection Dataset via Bootstrapping using Synthetic Data 9:10am - 9:30am 3D Gamma Image Reconstruction using Deep Convolutional Neural Networks for Proton Beam Therapy |
S22.01: Scientific computing Location: Z022 Chair: Matthias Bolten A novel black-box preconditioning strategy for high-throughput density-functional theory 8:50am - 9:10am Optimal experiment design with respect to electrode configurations for a piezoelectric problem 9:10am - 9:30am On Defect Characterization in Carbon Fiber Reinforced Polymer via Gradient-based Optimization |
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9:30am - 10:30am |
Coffee Break |
PS2: Poster Session 2 |
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10:30am - 11:30am |
RvML Location: W001 |
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11:30am - 1:00pm |
GAMM General Assembly Location: W002 |
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1:00pm - 2:00pm |
Lunch Break |
YAMM Lunch Chair: Johanna Waimann Chair: Tobias Kaiser |
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2:00pm - 4:00pm |
S01.03: Collision and Nonlinear Dynamics of Rigid Bodies Location: Z001 Chair: Kristin Miriam de Payrebrune An extended version of the Intermediate Axis Theorem for a freely rotating rigid body 2:40pm - 3:00pm Derivation of Analytical, Closed-form Formulas for the Calculations of the Instantaneous Screw Axes of Arbitrary Rigid 3D Multi-Body Systems 3:00pm - 3:20pm Modeling the Evolution of a cluster of gravitating bodies taking into account their absolutely inelastic collisions 3:20pm - 3:40pm Analysis of Flexible Multibody Impact Simulations Using Reduced Isogeometric Finite Element Models 3:40pm - 4:00pm Improved collision detection for rigid body simulations |
S02.04: Arteries Location: Z002 Chair: Daniel Balzani Unraveling the principles of vascular mechanobiology across the scales 2:40pm - 3:00pm Macroscopic modelling of stress driven anisotropic growth in bioengineered tissues 3:00pm - 3:20pm Influence of residual stresses and fiber orientation on smooth muscle contraction in arterial walls 3:20pm - 3:40pm Multi-layered tissue models in patient-specific simulations of aortic dissection |
S03.04: Gradient damage and plasticity Location: Z003 Chair: Björn Kiefer A computational framework for gradient-enhanced damage -- implementation and applications 2:20pm - 2:40pm Modeling gradient-enhanced anisotropic ductile damage: Application to low cycle fatigue 2:40pm - 3:00pm Anisotropic plasticity - regularised damage material model for sheet metals 3:00pm - 3:20pm Nonlocal damage modelling for finite element simulations of ductile steel sheets under multiaxial loading 3:20pm - 3:40pm Reduced integration-based solid and solid-shell finite elements for gradient-extended damage 3:40pm - 4:00pm A gradient-enhanced micro-polar damage-plasticity approach for modeling mode I and mode II failure of concrete |
S04.04: SBFEM & Miscellaneous Location: Z004 Chair: Carolin Birk A comparative study of numerical approaches for the computation of effective properties of micro-heterogeneous materials 2:20pm - 2:40pm A combination of the SBFEM and transfinite elements for modeling three-dimensional structures on octree-meshes 2:40pm - 3:00pm Image-based stress analysis of porous structures produced by freeze casting 3:00pm - 3:20pm A NURBS enhanced polygonal element formulation based on the scaled boundary method for the analysis of solids in boundary representation 3:20pm - 3:40pm Back Calculation of Internal Forces of Concrete Skyscrapers by means of In Situ Monitoring 3:40pm - 4:00pm A homogenisation approach for shell structures using scaled boundary isogeometric analysis on RVE-level |
S04.05: Dynamics & Time integration methods Location: Z025 Chair: Michael Groß Space-time integration in structural dynamics using the proper generalized decomposition 2:20pm - 2:40pm An energy-momentum scheme for extended continuum models with rotational degrees of freedom 2:40pm - 3:00pm Analysis of higher order accurate time integration schemes within multifield plasticity 3:00pm - 3:20pm Inverse dynamics of nonlinear elastic ropes and the method of characteristics 3:20pm - 3:40pm A mixed finite element formulation for energy-momentum time integrations of composites with fiber bending stiffness 3:40pm - 4:00pm Simulation of the dynamic properties of open cell foams by means of a macroscopic stochastic model |
S05.03: Non-smooth dynamics & Control Location: Z005 Chair: Johann Groß Efficient surrogate strategy for investigating stick-slip instability 2:20pm - 2:40pm Quenching friction-induced oscillations in multibody-systems 2:40pm - 3:00pm On the orbital stability of periodic trajectories of systems with discontinuous right-hand sides 3:00pm - 3:20pm Mitigation of Resonant Vibrations using Impact Absorbers 3:20pm - 3:40pm Stability analysis of dynamic extremum seeking systems via Lie brackets approximations |
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S06.05: Material modelling in solid mechanics Location: Z006 Chair: Lisa Scheunemann Chair: Johanna Waimann Constitutive modeling of austenitic TRIP-steels at small scales -- mean-field homogenization and simulation of oligo-crystals 2:20pm - 2:40pm Constitutive modelling of the strain induced martensite transformation observed in metastable austenitic steels and TRIP steels 2:40pm - 3:00pm Intermetallic compounds formation during solid-state joining of an Al-Mg alloy via a multiphase-field approach 3:00pm - 3:20pm The First Stage of Firn Densification - An Evaluation of Grain Boundary Sliding 3:20pm - 3:40pm The effect of phase transformation on residual stress evolution during cooling 3:40pm - 4:00pm Work - conjugacy of stress and strain tensors and its role in 3D hyperelastic isotropic material formulation |
S06.06: Material modelling in solid mechanics Location: Z026 Chair: Jörn Ihlemann Chair: Thorsten Bartel Chair: Holger Steeb Experimental and numerical investigation on the mechanical behavior of 3D printed TPU 2:20pm - 2:40pm Structural topology optimization of 3D-printable microlattices for lightweight materials 2:40pm - 3:00pm Numerical modelling for non-isothermal quasi-static experiments of SLS-PA12 3:00pm - 3:20pm Hysteretic behaviour of octet-truss lattice material with shape memory 3:20pm - 3:40pm Numerical investigation of the mechanical properties of amorphous graphene 3:40pm - 4:00pm Numerical investigation of the mechanical properties of an amorphous network glass |
S07.04: Porous Media Location: Z007 Chair: Tim Ricken Chair: Holger Steeb Freezing of sea ice with inhomogeneous material distribution using the Theory of Porous Media 2:40pm - 3:00pm In Silico Modeling of Coupled Physical-Biogeochemical (P-BGC) Processes in Antarctic Sea Ice 3:00pm - 3:20pm Coupled simulation of deep tunnel advance in initially saturated Innsbruck quartz phyllite 3:20pm - 3:40pm Geometrically and Physically Nonlinear Coupled Consolidation Problem |
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S08.05: Multiscales and homogenization Location: Z008 Chair: Geralf Hütter Predictive modeling and simulation of silica aerogels by using aggregated structures 2:20pm - 2:40pm Geometric and finite element modeling of biopolymer aerogels to characterize their microstructural and mechanical properties 2:40pm - 3:00pm The Effect of Functionally-Graded Voids and GNPs on the DamageTolerance of Polyurethane Foam Core 3:00pm - 3:20pm New problems in homogenization: Layer- vs bulk properties 3:20pm - 3:40pm Applications of the Asymptotic Homogenization to Materials with Periodic and Non-Periodic Micro Structures 3:40pm - 4:00pm A model order reduction technique for FFT-based microstructure simulation using a geometrically adapted reduced set of frequencies |
S08.06: Multiscales and homogenization Location: Z027 Chair: Daniel Peterseim Tensor refinement for multiscale diffusion 2:20pm - 2:40pm Homogenization of linearized elasticity in a two-component medium with slip displacement conditions 2:40pm - 3:00pm Multiscale FEM for light propagation through realistic photonic crystals 3:00pm - 3:20pm Numerical Homogenization of the Maxwell-Debye system 3:20pm - 3:40pm Mesh-free methods for parametrized partial differential equations 3:40pm - 4:00pm Parametric FEM for computational homogenization of heterogeneous materials with random voids |
S10.03: Turbulence and reactive flows Location: Z010 Chair: Olga Shishkina On symmetry induced scaling laws for arbitrary moments and its validation using channel flow DNS at Re_tau=10^4 2:20pm - 2:40pm Contribution of Large and Very Large Scale Motions to the Turbulent Kinetic energy in Turbulent Pipe Flow 2:40pm - 3:00pm Interaction of the Large-Scale Motions with the Near-Wall Turbulence in Pipe Flows 3:00pm - 3:20pm Data-driven identification of the spatiotemporal structure of turbulent flows by streaming Dynamic Mode Decomposition |
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S12.01: Waves and acoustics for solid materials Location: Z012 Influence of the correlation model on the continuous mode conversion 2:20pm - 2:40pm Heuristic dispersion design of discrete periodic systems 2:40pm - 3:00pm On the analysis of contact acoustic nonlinearities caused by sub-surface cracks in vibrating beams 3:00pm - 3:20pm On the forward simulation and cost functions for the ultrasonic material characterization of polymers 3:20pm - 3:40pm High Accuracy Measurements of Lamb Waves Using 2D Fourier Transform and Laser Vibrometry |
S14.04: Applied analysis Location: Z014 Chair: Helmut Abels The waiting time phenomenon in a Lagrangian discretization 2:20pm - 2:40pm On Echo Chains in the Euler Equations as a Linear Mechanism: Blow-up and Modified Asymptotics 2:40pm - 3:00pm The Jordan-Moore-Gibson-Thompson equation of nonlinear acoustics: Well-posedness and singular limit for vanishing relaxation time 3:00pm - 3:20pm Homogenisation of Stokes Flow in a Porous Medium with Evolving Microstructure 3:20pm - 3:40pm Stochastic homogenization on perforated domains |
S15.04: Uncertain Problems Location: Z015 Chair: Haakon Andreas Hoel Tensor-Galerkin POD for Efficient Uncertainty Quantification in PDEs with Multivariate Random Parameters 2:20pm - 2:40pm Efficient Computation of the Optimal Bounds on the Probability of Failure of a Sheet Metal Forming Process 2:40pm - 3:00pm Optimal sensor placement for thermo-elastic coupled machine models |
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S16.03: Optimization Location: Z016 Chair: Kathrin Welker An Active Signature Methode for Constrained Optimization Using Abs-Linearization 2:20pm - 2:40pm Scalable solvers for PDE constrained shape optimization of cellular composites 2:40pm - 3:00pm Efficient level set-based topology optimization of flexible multibody systems using radial basis functions 3:00pm - 3:20pm Surface Metrics and Geometrical Constraints Within CAD-Free Adjoint-Based Fluid Dynamic Shape Optimization 3:20pm - 3:40pm Topology and material optimization including a filter to smooth fiber pathways |
S17.03: Data, random walks, and parallelism Location: Z017 Chair: John William Pearson Numerical Linear Algebra in Data Assimilation 2:40pm - 3:00pm A computational framework for handling semi infinite quasi-Toeplitz matrices 3:00pm - 3:20pm Multivalent Binding Kinetics as an Invariant Subspace Projection of Markov Processes 3:20pm - 3:40pm Study of Exploiting Coarse-Grained Parallelism in Block-Oriented Numerical Linear Algebra Routines |
S18.05: Space-Time discretizations Location: Z018 Chair: Christoph Lehrenfeld Stabilized Nitsche fictitious domain method with higher order variational space-time discretization for the Navier--Stokes equations 2:40pm - 3:00pm Space-time methods for the Stokes problem: dynamic meshes 3:00pm - 3:20pm PDEs on Domains with Time-Dependent Topology 3:20pm - 3:40pm A Space-Time Method for Maxwell's Equations 3:40pm - 4:00pm Time-Continuous Simplex Space-Time Finite Element Method and Model Order Reduction for Deforming Domain Problems |
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S19.03: Learning, Stabilization and Networks Location: Z019 Chair: Daniel Wachsmuth Optimal feedback stabilization via deep neural network approximation 2:20pm - 2:40pm Sparse optimization of integral shallow neural networks 2:40pm - 3:00pm Adjoint Based Optimal Control of District Heating Networks 3:00pm - 3:20pm Solution and Applications of PDE Constrained Inverse Problems related to Turbulence Modeling |
S20.04: Robust Control Location: Z020 Chair: Jens Saak Numerical Methods for H-infinity-Control of Large-Scale Systems 2:40pm - 3:00pm Convex Synthesis of Accelerated Gradient Algorithms 3:00pm - 3:20pm Optimization of the distance to non-passivity and instability via robust realizations 3:20pm - 3:40pm The missing link between the output and the H2-norm of bilinear systems 3:40pm - 4:00pm Minimality of Linear Switched Systems with known switching signal |
S21.04: Mathematical signal and image processing Location: Z021 Chair: Michael Moeller Chair: Gerlind Plonka-Hoch Challenges in dynamic imaging 2:40pm - 3:00pm Unsupervised classification with orthogonal projections 3:00pm - 3:20pm Multi-scale tomographic analysis for micron-sized particulate samples 3:20pm - 3:40pm A Generative Variational Model for Inverse Problems in Imaging 3:40pm - 4:00pm Shape Reconstruction of Inclusions in Elastic Bodies Based on Real Data via Monotonicity-based Methods |
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S22.02: Scientific computing Location: Z022 Chair: Stephanie Friedhoff Beam-to-solid interaction - From embedded fibers towards contact 2:20pm - 2:40pm Graph-based Tensile Strength Simulations of Composite Nonwovens 2:40pm - 3:00pm Asymptotically Justified Boundary Conditions for Numerics of a Viscoelastic Two-Phase Melt Spinning Model 3:00pm - 3:20pm A fast and low-memory isogeometric Galerkin method for Karhunen-Loève approximation of random fields with emphasis on large-scale 3D applications 3:20pm - 3:40pm Modeling the Effective Transdermal and Lateral Diffusivities in Stratum Corneum using Homogenization 3:40pm - 4:00pm Multiscale Modeling of Skin Penetration |
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4:00pm - 4:30pm |
Coffee Break |
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4:30pm - 6:30pm |
S01.04: Control Strategies for Multi-body Systems Location: Z001 Chair: Simon R. Eugster On the numerical behaviour of constrained mechanical systems within the framework of optimal control 5:10pm - 5:30pm Internal Dynamics of multibody systems 5:30pm - 5:50pm MBS model for design and control of a hydrofoil boat 5:50pm - 6:10pm Time-Optimal Control of a Moon Landing - Ascent, Descent, and Aborts |
S02.05: Muscle & heart Location: Z002 Chair: Christian J. Cyron Computational Challenges in Modelling the Musculoskeletal System 4:50pm - 5:10pm Characterisation of passive mechanical properties in healthy and infarcted rat myocardium 5:10pm - 5:30pm Applicability of the pseudo-electrocardiogram approach in virtual laboratory studies: Comparison with full numerical simulations based on the bidomain model |
S03.05: Composites Location: Z003 Chair: Stefan Löhnert Experiment and simulation of a single-fiber push-out test on glass fiber reinforced SMC 4:50pm - 5:10pm Analysis of the influence of process-induced damage on the fracture behaviour – a study on remote laser cut carbon fibre reinforced polymers 5:10pm - 5:30pm Semi-analytical method for the stress analysis of transverse cracks in composite structures 5:30pm - 5:50pm A semi-analytical approach for the efficient prediction of thermally induced interface crack initiation at bi-material free edges 5:50pm - 6:10pm A general sandwich-type model for delamination failure in angle-ply laminates under thermo-mechanical loading |
S04.06: Optimization Location: Z004 Chair: Ingo Muench Constrained motion design for adaptive structures based on a variational formulation 4:50pm - 5:10pm Multiscale modeling and optimization of hierarchical plant structures 5:10pm - 5:30pm Tail end prediction of structural response using neural networks 5:30pm - 5:50pm Topology evolution of composite structures based on a phase field model |
S04.07: Vibrations & Waves Location: Z025 Chair: Kerstin Weinberg Correction of wave signals for PMMA Split Hopkinson pressure bar setups 4:50pm - 5:10pm Efficient computation of coupled bending and torsion vibrations of slender structures with an axially moving eccentric load 5:10pm - 5:30pm On the impact of the jerk on structural dynamics 5:30pm - 5:50pm Application of variable excitation frequency for amplitude reduction 5:50pm - 6:10pm Transversal vibrations of belt drives with various time-varying belt lengths 6:10pm - 6:30pm A Mixed Acoustic Fluid Finite Element in Boundary Representation for Fluid-Structure Interaction |
S05.04: Rotor dynamics Location: Z005 Chair: Elmar Woschke Passage through resonance of two coupled exciters 4:50pm - 5:10pm Influence of lubricant film cavitation on the vibration behaviour of semi-floating ring supported turbocharger rotor 5:10pm - 5:30pm Deformations of a piezo-actuated bearing ring in journal bearings 5:30pm - 5:50pm Influence of thermally induced changes in lubricating gap clearance and oil viscosity on nonlinear oscillations of hydrodynamically supported rotors |
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S06.07: Material modelling in solid mechanics Location: Z006 Chair: Michele Marino Chair: Jörn Ihlemann Chair: Thorsten Bartel A robust hybrid-element family for strongly compressed hyperelastic materials 4:50pm - 5:10pm Calibration of the Material-Point-Method for machining simulation 5:10pm - 5:30pm Computational Stability Analysis of Diffusion-Deformation Processes at Finite Strains 5:30pm - 5:50pm Electro-magneto-mechanical response of polycrystalline materials: computational homogenization based on the Virtual Element Method 5:50pm - 6:10pm Efficient modeling of material dissolution in electrochemical machining 6:10pm - 6:30pm Thermomechanical and multiscale modeling of polymeric materials with complex microstructures |
S08.07: Multiscales and homogenization Location: Z008 Chair: Marco Valerio d'Agostino Recent advancements of the multiscale Capriccio method for polymers 4:50pm - 5:10pm Aspects of adaptive discrete-to-continuum modelling of thermoplastics 5:10pm - 5:30pm Modeling Size Effects in Polymer Nano-Composites 5:30pm - 5:50pm Consideration of the nano- and microscale structure of semi-crystalline polymers in constitutive material models 5:50pm - 6:10pm Fundamentals of electro-mechanically coupled computational multiscale formulations for electrical conductors 6:10pm - 6:30pm Simulation of granular materials with the discrete element method to investigate their suitability as crash-absorber in ship collisions |
S08.08: Multiscales and homogenization Location: Z027 Chair: Patrick Kurzeja A numerical method for computing the effective crack resistance of heterogeneous media 4:50pm - 5:10pm Damage identification in concrete using CODA waves: Multiscale computational modeling and feature engineering 5:10pm - 5:30pm Modeling technique for the linear-elastic material behavior of short fiber-reinforced composites using random fields 5:30pm - 5:50pm Numerical model reduction of the electro-chemically coupled multi-scale transport of Li-ions in structural battery electrolytes 5:50pm - 6:10pm Computational Modelling and Design of Compressible Cementitious Composite Materials 6:10pm - 6:30pm On selective homogenization in multi-scale phase-field fracture model |
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S10.04: Turbulence and reactive flows Location: Z010 Chair: Sven Eckert Turbulent flow over heterogeneous roughness 4:50pm - 5:10pm Simulation of flow over pseudo-random rough surfaces 5:10pm - 5:30pm Rotating spherical gap convection in the micro-gravity experiments GeoFlow and AtmoFlow 5:30pm - 5:50pm Measurement error of tracer-based velocimetry in flow with inhomogeneous refractive indices 5:50pm - 6:10pm Kolmogorov’s similarity hypotheses application in research of the turbulent swirl flows in pipe generated by the various axial fan geometries 6:10pm - 6:30pm Application of the One-Dimensional Turbulence model for the evaluation of collection efficiencies in wire-tube electrostatic precipitators |
S12.02: Waves and acoustics for multi-physics Location: Z012 Seismic Exploration in Tunneling using Full Waveform Inversion with a Frequency Domain Model 4:50pm - 5:10pm A hybrid approach for parametric studies of wave phenomena in multi-layered waveguides with cracks, electrodes and piezoelectric transducers 5:10pm - 5:30pm Maximizing electromagnetic chirality by means of an asymptotic perturbation formula 5:30pm - 5:50pm A localized meshless collocation method based on semi-analytical basis functions for bandgap calculation of elastic waves in phononic crystals 5:50pm - 6:10pm Numerical Analysis of a Levitation Device using High-Order Accurate Methods |
S14.05: Applied analysis Location: Z014 Chair: Manuel Friedrich Coarse-graining via EDP-convergence for linear fast-slow reaction-diffusion systems 4:50pm - 5:10pm On the entropy method for a drift-diffusion model with trap-assisted recombination and self-consistent potential 5:10pm - 5:30pm Segregation and Gap Formation in Cross-Diffusion Models 5:30pm - 5:50pm Space-Time Sobolev Regularity for the Porous Medium Equation |
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S15.05: Applications Location: Z015 Chair: Felix Lindner On the influence of surface roughness on friction-induced oscillations 4:50pm - 5:10pm Design of a 3D composite structure considering data uncertainties and various failure mechanisms 5:10pm - 5:30pm Stochastic Variational Bayes Estimation for Multi-Site Daily Precipitation Data 5:30pm - 5:50pm Probability of Hitting the Target with an Imperfectly Manufactured Projectile 5:50pm - 6:10pm The stochastic performance evolution analysis of long span steel arch bridge based on long-term time-varying reliability |
S16.04: Optimization Location: Z016 Chair: Andrea Walther Damage Optimisation for Air Bending 4:50pm - 5:10pm Shape optimization of the X0-specimen for biaxial experiments 5:10pm - 5:30pm Bounded factor width matrices and sums of k-nomial squares. 5:30pm - 5:50pm Speedup of three-dimensional global shape optimization in supersonic flow 5:50pm - 6:10pm On the Development of a Primal and Continuous Adjoint Computational Model to Minimize Hemolysis in Biomedical Applications 6:10pm - 6:30pm A novel approach for the consideration of plastic material behavior in thermodynamic topology optimization |
S17.04: Sylvester equations, Ricatti equations, and polynomials Location: Z017 Chair: Kirk M Soodhalter Solving differential Riccati equations: A nonlinear space-time method using tensor trains 4:50pm - 5:10pm Roots of multivariate polynomials from tensor decompositions 5:10pm - 5:30pm Distance problems for dissipative Hamiltonian systems and related matrix polynomials 5:30pm - 5:50pm Parameter estimation for orthogonal polynomial moments 5:50pm - 6:10pm Structure Preserving Approximation and Integration of Hamiltonian Systems 6:10pm - 6:30pm On the efficient solution of large-scale algebraic Riccati equations with banded data |
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S18.06: Adaptive discretizations Location: Z018 Chair: Herbert Egger Adaptive spectral Galerkin methods for parabolic evolution problems in space-time FOSLS formulation 4:50pm - 5:10pm Adaptive Patankar--Runge--Kutta methods 5:10pm - 5:30pm An Adaptive FE Solver with Domain Decomposition for the Time Harmonic Maxwell Equations 5:30pm - 5:50pm A polynomial-degree-robust a posteriori error estimator for Nédélec discretizations of magnetostatic problems 5:50pm - 6:10pm A PU localization for space-time goal oriented adaptive refinement for time dependent PDEs |
S19.04: Algorithms and Numerical Methods Location: Z019 Chair: Johannes Pfefferer Chair: Constantin Christof Global and local pointwise error estimates for finite element approximations to the Stokes problem on convex polyhedra 4:50pm - 5:10pm The use of goal oriented error estimation for Model Predictive Control 5:10pm - 5:30pm Reliable Finite Element Error Estimates for Optimal Control of Elliptic PDEs with Random Inputs 5:30pm - 5:50pm Coupling Stochastic Gradient Methods with Mesh Refinement for PDE Constrained Optimization under Uncertainty 5:50pm - 6:10pm Model predictive control with residual-based time adaptivity 6:10pm - 6:30pm Optimal control of pedestrian dynamics |
S20.05: DAE and Hamiltonian Systems Location: Z020 Chair: Kathrin Flaßkamp Chair: Stephan Trenn Impulse free stabilization of switched differential algebraic equations 4:50pm - 5:10pm The differentiation index of nonlinear differential-algebraic equations versus the relative degree of nonlinear control systems. 5:10pm - 5:30pm Asymptotic stability of neutral delay equations via semi-explict time-integration 5:30pm - 5:50pm Symplectic Partitioned Runge-Kutta Methods for High-Order Approximation in Linear-Quadratic Optimal Control of Hamiltonian Systems 5:50pm - 6:10pm Realization of port-Hamiltonian systems 6:10pm - 6:30pm Learning Mechanical Systems by Hamiltonian Neural Networks |
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S21.05: Mathematical signal and image processing Location: Z021 Chair: Gerlind Plonka-Hoch Chair: Michael Moeller Order-p means, M-smoothers, and PDEs 4:50pm - 5:10pm Stochastic level-set segmentation on images with uncertain data 5:10pm - 5:30pm Robust PCA via Matrix-Free Regularized Reaper 5:30pm - 5:50pm Convergence of Pixel-Driven Projection Methods 5:50pm - 6:10pm Convolutional Proximal Neural Networks and Plug-and-Play Algorithms 6:10pm - 6:30pm Controlling Neural Networks via Energy Dissipation |
S22.03: Scientific computing Location: Z022 Chair: Matthias Bolten Optimizing MGRIT and Parareal coarse-grid operators for linear advection 4:50pm - 5:10pm Parareal for coupled differential algebraic equations 5:10pm - 5:30pm Parallel-in-Time Simulation of an Induction Machine using MGRIT 5:30pm - 5:50pm A multigrid preconditioner for an entropy stable Space-Time Discontinuous Galerkin Spectral Element method 5:50pm - 6:10pm An asynchronous time-integration method for nonlinear structural dynamics and its parallel implementation 6:10pm - 6:30pm On Next-Generation Time Stepping Methods for Weather and Climate Simulations |
S23.01: Applied operator theory Location: Z023 Chair: Birgit Jacob L^p Spectrum of Ornstein-Uhlenbeck operators 5:10pm - 5:50pm The fast-sorption--fast-surface-reaction limit of a heterogeneous catalysis model 5:50pm - 6:30pm Split-operator algorithm for the Moyal equation. Comparative studies of second and fourth order factorizations |
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7:30pm - 10:30pm |
Conference Dinner |
Date: Thursday, 18/Mar/2021 | |||
8:30am - 10:30am |
S01.05: Modeling of Elastic Multi-body Systems Location: Z001 Chair: Kristin Miriam de Payrebrune Identification, Modeling and Simulation of Vibration Characteristics of a Painting 8:50am - 9:10am Improving energy efficiency of bipedal walking using nonlinear compliant mechanisms 9:10am - 9:30am Consideration of rubber bushings in a multi-body simulation by detailed finite element models 9:30am - 9:50am A holistic vibration analysis of an electric engine including mechanical and electrodynamic interactions 9:50am - 10:10am Modelling of dynamic contact forces during orthogonal turn milling |
S02.06: Cells Location: Z002 Chair: Dominik Schillinger On the mechanical modeling of cell components 9:10am - 9:30am Computational Modeling of the Passive Vesicle-Mediated Cell Transport 9:30am - 9:50am Extending a pharmacodynamic model for nuclear receptor-induced enzyme production with spatial resolution. 9:50am - 10:10am Vibrational entropy calculation of proteins via kinematic flexibility analysis 10:10am - 10:30am Computational modeling of structural degeneration in outer retinal layers due to drusen growth in Dry AMD 10:30am - 10:50am Rigidity analysis with kino-geometric modeling of active and inactive kinases |
S03.06: Wear, fatigue and residual stresses Location: Z003 Chair: Markus Kästner Experimental and numerical investigation on the effect of non-proportional load paths on damage and failure behavior in ductile metals 8:50am - 9:10am Modeling of wear processes by a regularized damage-plasticity model based on the emulated RVE 9:10am - 9:30am A comparison between constitutive isotropic and anisotropic plasticity material models for an indentation problem 9:30am - 9:50am Plastic incompatibility density as an indicator of forming induced residual stresses 9:50am - 10:10am Extension of the Local strain approach to transient material behavior and residual stresses |
S04.08: Model order reduction & Reanalysis Location: Z004 Chair: Wilfried Becker An artificial intelligence approach to model nonlinear continua by intelligent meta-elements 8:50am - 9:10am Reduced order models for material non-linearities in FEM applications 9:10am - 9:30am Reanalysis for local quantities of interest 9:30am - 9:50am Reanalysis of structures with varying cross-sectional values based on influence functions 9:50am - 10:10am Stress analysis of a circular hole in an orthotropic plate with finite width using complex potential method |
S06.08: Material modelling in solid mechanics Location: Z006 Chair: Daniel Balzani Chair: Kai Willner Comparison of two thermo-mechanically coupled material models in the context of parameter identification 8:50am - 9:10am Energy related thermomechanical material model validation in complex tensile testing with self heating 9:10am - 9:30am Unique identification of stiffness parameters for nonlinear, anisotropic textile fabrics based on full-field measurements on a single experiment |
S07.06: Fluid-Structure Interaction Location: Z007 Chair: Elfriede Friedmann Phase Field Modeling of Dynamic Surface Wetting informed by Molecular Simulations 8:50am - 9:10am Modeling and Simulation of the Aqueous Humor flow with Stokes and Darcy equations 9:10am - 9:30am Numerical simulation of viscoelastic fluid-structure interaction problems coupled to chemical processes in the human eye 9:30am - 9:50am An efficient solver for a Cosserat rod of non-constant width applied to a problem of fluid-structure interaction 9:50am - 10:10am Adsorption in a phase field model for wetting |
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S08.09: Multiscales and homogenization Location: Z008 Chair: Gianluca Rizzi A hybrid approach for the multi-scale simulation of irreversible material behavior incorporating neural networks 8:50am - 9:10am Model Reduction in Thin Deformable Porous Media 9:10am - 9:30am On the Computational Homogenization of Deformation-Diffusion Processes 9:30am - 9:50am Deep material networks - a micromechanical perspective |
S08.10: Multiscales and homogenization Location: Z027 Chair: Dimosthenis Floros Coupled simulation of flow-induced viscous and elastic anisotropy of short-fiber reinforced composites 8:50am - 9:10am On the BFGS method in FFT-based computational micromechanics 9:10am - 9:30am Statistical moments of stresses and strains in random heterogeneous thermoelastic materials 9:30am - 9:50am Data-driven inverse design of shell-based cellular solids with tailored stiffness and extreme strength 9:50am - 10:10am FFT-based homogenization using a reduced set of frequencies and a clustered microstructure 10:10am - 10:30am HOMOGENIZATION FOR TEXTILES WITH LOOSE CONTACT |
S09.01: Stability and Transition Location: Z009 Chair: Ilya Barmak Instability mechanisms in high-Prandtl-number liquid bridges exposed to an ambient gas stream 8:50am - 9:10am Stability of obliquely driven cavity flow 9:10am - 9:30am Linear stability of the asymptotic suction boundary layer flow and new 3D modes 9:30am - 9:50am Travelling waves and low-momentum zones in the asymptotic suction boundary layer 9:50am - 10:10am Interpreted machine learning in fluid dynamics: Explaining relaminarisation events in wall-bounded shear flows 10:10am - 10:30am Thermomagnetic convection in a differentially heated rotating annulus with central force field |
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S10.05: Turbulence and reactive flows Location: Z010 Chair: Olga Shishkina Can hail and rain nucleate cloud droplet? 9:10am - 9:30am Inclined turbulent convection in low-Prandtl-number fluids 9:30am - 9:50am EHD-enhanced internal forced convection from a One-Dimensional Turbulence perspective 9:50am - 10:10am Intermittent chaotic flows in the weakly magnetised spherical Couette system |
S14.06: Applied analysis Location: Z014 Chair: Elisa Davoli On the jerky crack growth of elastoplastic materials 8:50am - 9:10am Shape differentiability of energy for cracked composite plates 9:10am - 9:30am Optimal amount of thin rigid inclusions for equilibrium problems describing inhomogeneous two-dimensional bodies with a crack 9:30am - 9:50am Semicoercive hemivariational inequalities in contact mechanics 9:50am - 10:10am Gamma-convergence for free-discontinuity problems in linear elasticity 10:10am - 10:30am Asymptotic analysis of composites with rigid fiber-reinforcements |
S16.05: Optimization Location: Z016 Chair: Winnifried Wollner Multilevel Augmented-Lagrangian Methods for Overconstrained Contact Discretizations 8:50am - 9:10am Towards Optimization Techniques on Diffeological Spaces 9:10am - 9:30am Characterization of the topography of an objective function using the Dijkstra algorithm 9:30am - 9:50am Optimization of sample geometries and loading histories for error-resistant parameter identification |
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S18.07: Miscellaneous Location: Z018 Chair: Christoph Lehrenfeld On fast iterative methods for radiative transfer 8:50am - 9:10am A finite element formulation for a simplified, relaxed micromorphic continuum model 9:10am - 9:30am Galerkin variational integration of the geometrically exact beam via dual quaternion interpolation 9:30am - 9:50am Learned infinite elements 9:50am - 10:10am On the numerical treatment of Cahn-Hilliard equations with dynamic boundary conditions |
S20.06: (Non)linear, Stochastic and Chaotic Systems Location: Z020 Chair: Klaus Röbenack Chair: Moritz Schulze Darup On the computation of physically realizable generalized flat inputs of nonlinear single-output systems from a geometric point of view 8:50am - 9:10am A Virtual Sensing approach for approximating nonlinear dynamical systems using LSTM networks 9:10am - 9:30am Nonlinear System Identification of a Furuta Pendulum Using Machine Learning Techniques 9:30am - 9:50am A random attractor for the TASEP model 9:50am - 10:10am Formal Calculation of Positive Invariant Sets for the Lorenz Family Combining Lyapunov Approaches and Quantifier Elimination 10:10am - 10:30am Feedback Methods for Ensemble Reachability of Parameter-Dependent Linear Systems |
S21.06: Mathematical signal and image processing Location: Z021 Chair: Michael Moeller Chair: Gerlind Plonka-Hoch A robustness measure for singular points in pixelated orientation and vector fields and its application to defect core size estimation 8:50am - 9:10am Birdsong recognition using Gabor frames 9:10am - 9:30am Uniform recovery guarantees for least squares approximation using random samples 9:30am - 9:50am Universal minimality in total variation regularization 9:50am - 10:10am Image reconstruction from scattered Radon data by weighted kernel functions 10:10am - 10:30am Learning-informed model meets integrated physics-based method in quantitative MRI |
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S22.04: Scientific computing Location: Z022 Chair: Melanie Krüger Combining machine learning and adaptive coarse spaces to design robust and efficient FETI-DP methods 8:50am - 9:10am Towards multi-fidelity machine learning in scientific computing 9:10am - 9:30am Data-driven Parameter Identification in Nonlinear Dynamical Systems 9:30am - 9:50am Deep Learning Classification of Compton Camera Based Prompt Gamma Imaging Data for Proton Radiotherapy 9:50am - 10:10am Estimating divergence-free flows via neural networks |
S23.02: Applied operator theory Location: Z023 Chair: Hafida Laasri Three applications of scale uniform uncertainty relations for Schroedinger equations 9:10am - 9:50am Analysis of the primitive equations with horizontal viscosity 9:50am - 10:30am Recent progress in Functional Calculus |
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10:30am - 11:00am |
Coffee Break |
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11:00am - 12:00pm |
PL4 Location: W001 Chair: Stefan Diebels Modelling Porous Media: From Images to Numerical Simulations |
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12:00pm - 1:00pm |
PL5 Location: W002 Chair: Matthias Bolten Large scale linear algebra through randomization and communication avoiding techniques |
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1:00pm - 2:00pm |
Lunch Break |
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2:00pm - 4:00pm |
S02.07: Hydrogels & tissue engineering Location: Z002 Chair: Silvia Budday Effects of hydration in polysaccharide-based aerogel networks 2:20pm - 2:40pm Numerical modeling of the mechanical response of bacterial biofilm to flow by using an SPH poroviscoelastic model 2:40pm - 3:00pm Development of Electrospun PCL Nanofibrous Tympanic Membrane Scaffolds: Homogenization Modeling and Experimental Verification 3:00pm - 3:20pm Simulation and Development of Biomimetic Electro-spun PCL Nanofibrous Tympanic Membrane Implants |
S03.07: Theory and numerics Location: Z003 Chair: Geralf Hütter Energy for Brittle Crack Propagation in Crystalline Systems 2:20pm - 2:40pm Simulation of ductile crack propagation through hard metal microstructures at finite strains by application of an extended eigenerosion framework 2:40pm - 3:00pm Simulation of crack propagation without using crack tracking algorithm in the embedded discontinuity model 3:00pm - 3:20pm Optimal control of quasi-static crack growth in two-dimensional composite structures using gradient-based material optimization 3:20pm - 3:40pm Peridynamic analysis of dynamic fracture: Dimensionality and Specimen size 3:40pm - 4:00pm An enhanced algorithmic scheme for relaxed incremental variational damage formulations at finite strains |
S04.09: Lattice Bolzmann & Peridynamics Location: Z004 Chair: Felix Diewald Evaluation of manufacturing based deviations in composites 2:20pm - 2:40pm Lattice Boltzmann Method for Anti-plane Shear with non-mesh conforming boundary conditions 2:40pm - 3:00pm Simulation of Plane Strain Problems with the Lattice Boltzmann Method 3:00pm - 3:20pm Mixed peridynamic approaches for incompressible materials and finite plasticity |
S04.10: Material & Slip/Friction Location: Z025 Chair: Franz-Joseph Barthold Neural network parameter identification based constitutive modeling of superelastic shape memory alloys 2:20pm - 2:40pm A second-gradient continuum formulation for bi-pantographic fabrics 2:40pm - 3:00pm Probabilistic damage simulation for strengthening design of concrete structures 3:00pm - 3:20pm Sightly precurved layered beams with interlayer slip 3:20pm - 3:40pm An advanced quadratic displacement approach for the analytical stress analysis of adhesive bonded joints 3:40pm - 4:00pm Efficient simulation of heterogeneous materials with the finite cell method |
S06.09: Material modelling in solid mechanics Location: Z006 Chair: Daniel Juhre Chair: Stefan Löhnert Chair: Rainer Glüge A Thermodynamically Consistent Model for Deformation and Microstructure Evolution in Hot Forming and Heat Treatment 2:20pm - 2:40pm Multi-level thermomechanical material modeling to study heterogeneous plastic deformation of DC04 steel and effects of residual stresses on its mechanical properties 2:40pm - 3:00pm Phase field modeling of crack nucleation and propagation in martensitic micro–structures 3:00pm - 3:20pm Deformation Analysis of Friction Welded Hybrid Structures 3:20pm - 3:40pm Modeling and simulation of the thermo-mechanical material behavior of an epoxy system in electric traction machines 3:40pm - 4:00pm Prediction of residual stresses of second kind in deep drawing using an incremental two-scale material model |
S07.07: Hydrogels Location: Z007 Chair: Thomas Wallmersperger A multiphase model for the cross-linking of ultra high viscous alginate hydrogels 2:40pm - 3:00pm Cell enrichment and separation technique using active hydrogel membranes |
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S08.11: Multiscales and homogenization Location: Z008 Chair: Dennis M. Kochmann Ritz-type surface homogenization: from atomistic to continuum surface models of Copper despite imperfect bulk models 2:20pm - 2:40pm Simulation of the mechanical in-plane properties of graphene sheets by quasicontinuum (QC) method 2:40pm - 3:00pm Towards first-principles-based updated-Lagrangian non-equilibrium quasicontinuum simulations 3:00pm - 3:20pm Virtual testing of as-designed additively manufactured lattice structures 3:20pm - 3:40pm A micro-mechanically motivated phenomenological yield function for cubic crystal aggregates 3:40pm - 4:00pm Multiscale simulation of 3D beam-lattice metamaterials with second gradient linear elasticity |
S09.02: Particulate and non-Newtonian Flows Location: Z009 Chair: Peter Ehrhard Lagrangian transport in two-dimensional time periodic cavity flow 2:20pm - 2:40pm Particle accumulation in high-Prandtl-number liquid bridges 2:40pm - 3:00pm Least-squares formulation to solve non-Newtonian fluid flow and application of data assimilation 3:00pm - 3:20pm Simultaneous determination of Bingham material parameters using a ball probe concrete rheometer 3:20pm - 3:40pm Numerical simulation of flow processes of wood-polymer composites in extrusion dies |
S10.06: Turbulence and reactive flows Location: Z010 Chair: Olga Shishkina Disentangling Lagrangian Turbulence 2:40pm - 3:00pm Coarse-grained Lagrangian statistics in turbulent von-Kármán flow 3:00pm - 3:20pm Global power budgets in turbulent Couette and Poiseuille flows 3:20pm - 3:40pm On symmetry-induced pdf's in turbulence 3:40pm - 4:00pm Turbulent swirl flow analysis by Kolmogorov hypotheses |
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S12.03: Waves and acoustics for fluids and viscous materials Location: Z012 Trajectories of Water Particle under the Influence of Interacting Nonlinear Water Waves 2:20pm - 2:40pm Partitioned simulation of the acoustic behavior of flexible marine propellers using finite and boundary elements 2:40pm - 3:00pm Modelling wave propagation in a visco-hyperelastic soft tissue surrogate using the finite element and finite difference method 3:00pm - 3:20pm Measured and simulated examination of the propagation paths of structure-borne sound using the structural intensity for fibre reinforced injection moulded thermoplastic parts. 3:20pm - 3:40pm Oblique undular hydraulic jumps in turbulent free-surface flows |
S13.01: Flow control Location: Z013 Chair: Markus Rütten Cahn-Hilliard Navier-Stokes Approaches for the Simulation of Immiscible Free-Surface Flows 2:20pm - 2:40pm A new volume penalization for strongly compressible flows 2:40pm - 3:00pm Parametric Study on Ridges Inducing Secondary Motions in Turbulent Channel Flow 3:00pm - 3:20pm Investigating Schmidt number effects in turbulent electroconvection using one-dimensional turbulence 3:20pm - 3:40pm Actuation of an elastic membrane by the use of an electrorheological valve 3:40pm - 4:00pm Analyzing drug distribution in the aqueous humor flow |
S14.07: Applied analysis Location: Z014 Chair: Barbara Kaltenbacher About two approaches to fracture in a one dimensional toy model 2:20pm - 2:40pm Emergence of Polycrystals from atomistic systems 2:40pm - 3:00pm A priori estimates for rapidly oscillating finite-energy sequences of Muller's functional with non-coercive two-well potential 3:00pm - 3:20pm On the Motion of Curved Dislocation Lines in Three Dimensions 3:20pm - 3:40pm Non-isothermal phase separation models and an application to tumor growth 3:40pm - 4:00pm Modeling and Analysis of Drug Distribution in the Human Vitreous |
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S16.06: Optimization Location: Z016 Chair: Roland Herzog Continuous Adjoint Complement to the Blasius Equation 2:20pm - 2:40pm Inverse Design Based on Nonlinear Thermoelastic Material Models 2:40pm - 3:00pm Topology Optimization of Vibrating Structures with Contact 3:00pm - 3:20pm A New Hybrid Optimization Technique for Point Clouds Registration |
S18.08: Model order reduction Location: Z018 Chair: Herbert Egger Certified Reduced Basis Methods for Variational Data Assimilation and Optimal Experimental Design 2:40pm - 3:00pm Parametric regularity and reduced basis approximation for a fractional Laplace equation 3:00pm - 3:20pm A REDUCED ORDER MODEL FOR THE ACOUSTIC SCATTERING OF AN AIRFOIL 3:20pm - 3:40pm Adaptive Trust Region Reduced Basis Method in PDE-Constrained Parameter Optimization: A Non-Conforming Dual Approach 3:40pm - 4:00pm A priori reduced order model of steady Navier-Stokes equations for low Reynolds number |
S18.09: Flow problems Location: Z028 Chair: Christoph Lehrenfeld Pressure-robust, non-conforming discretization of the Stokes equations on domains with re-entrant edges 2:20pm - 2:40pm On pressure-robustness, well-balanced schemes and the spatial discretization of high Reynolds number flows 2:40pm - 3:00pm A novel gradient-robust, well-balanced discretisation for the compressible isothermal Navier-Stokes problem 3:00pm - 3:20pm Numerical long-term 3D Finite-Element-Simulations of Drug Spreading in Human Eye 3:20pm - 3:40pm Discrete Projections: A Step towards Particle Methods without Remeshing |
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S21.07: Mathematical signal and image processing Location: Z021 Chair: Michael Moeller Chair: Gerlind Plonka-Hoch Improving interpolation in autoencoders using a regularization term 2:20pm - 2:40pm Deeply Learned Spectral Total Variation Decomposition 2:40pm - 3:00pm Covariance estimation under one-bit quantization |
S22.05: Scientific computing Location: Z022 Chair: Christian Hesch A Parallel Matrix-Free Finite Element Solver for Phase Separation in Electrode Particles of Lithium Ion Batteries 2:20pm - 2:40pm Hybrid and Additive Nonlinear Two-Level Schwarz Methods 2:40pm - 3:00pm Three-Level Extensions for Fast and Robust Overlapping Schwarz (FROSch) Preconditioners 3:00pm - 3:20pm Exploiting low Precision Accelerator Hardware for Poisson-like problems via Prehandling as Explicit Preconditioning 3:20pm - 3:40pm A domain-based IMEX decomposition strategy for domain-based implicit-explicit (IMEX) type schemes 3:40pm - 4:00pm Efficient computation of multiphysics discrete adjoints with SU2 |
S23.03: Applied operator theory Location: Z023 Chair: Ivan Veselic Embeddability of matrices into real and positive semigroups 2:40pm - 3:20pm Riesz bases of port-Hamiltonian systems 3:20pm - 4:00pm Pseudospectrum enclosures by discretization |
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4:00pm - 4:30pm |
Coffee Break |
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4:30pm - 5:30pm |
PL6 Location: W003 Chair: Helmut Abels Beyond the Navier-Stokes equations |
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5:40pm - 6:40pm |
S18.10: Flow problems II Location: Z018 Chair: Christoph Lehrenfeld An Implicit Discontinuous Galerkin Chimera Method for Unsteady Laminar Flow Problems with Multiple Bodies 6:00pm - 6:20pm Recent applications of the adjoint in nonlinear nonstationary fluid-structure interaction 6:20pm - 6:40pm Monolithic Newton-multigrid FEM for the simulation of thixotropic flow problems |
S22.06: Scientific computing Location: Z022 Chair: Jonathan Schulte Parallelization in time for optimal control and inverse problems 6:00pm - 6:20pm Communication-avoiding TT tensor orthogonalization procedure |
Date: Friday, 19/Mar/2021 | ||||
8:30am - 10:30am |
S04.11: Composite/laminates + Miscellaneous Location: Z004 Chair: Christian Mittelstedt Action Principle and Ritz Method for Yarn Dynamics in Ring Spinning 8:50am - 9:10am Buckling analysis of shear-deformable orthotropic laminated plates with rotational restraints 9:10am - 9:30am Plate theories: A-priori fulfillment of the local conditions by the consistent approximation approach 9:30am - 9:50am Semi-analytical assessment of free-edge stress fields in circular cylindrical cross-ply laminated shells subjected to transverse loads 9:50am - 10:10am Approximate computational model for shear loaded stiffened composite panels 10:10am - 10:30am The influence of compatibility equations of non-linear elasticity for non-simply-connected bodies on convergence for spectral method solutions |
S06.12: Material modelling in solid mechanics Location: Z006 Chair: Fabian Sewerin Chair: Patrick Kurzeja Chair: Nugzar Shavlakadze Data-Driven simulation of inelastic materials using tangent space information and transition rules based on structured data sets 8:50am - 9:10am Constitutive modeling of viscoplasticity including phase transformations for graded thermo-mechanical processing 9:10am - 9:30am Plasticity prediction in thermoplastics for aerospace applications with Machine Learning 9:30am - 9:50am Machine-learning based material modeling for anisotropic hyperelasticity at large deformations applied to parametric metamaterials 9:50am - 10:10am Automated constitutive modeling of isotropic hyperelasticity based on artificial neural networks |
S07.08: Thermodynamics Location: Z007 Chair: Andreas Menzel A coupled chemo-mechanical computational model for phase transformations on deforming surfaces 8:50am - 9:10am Corrosion fatigue – A first simplified combined electrochemical and mechanical damage model. 9:10am - 9:30am On the micromechanical constitutive modelling and finite-element-based simulations of magnetic shape memory alloys using energy relaxation concepts 9:30am - 9:50am Phase field modeling with deformation-dependent interface energies 9:50am - 10:10am Thermomechanical analysis of actuation mechanism of a microgripper made of photo resist with temperature-dependent thermal expansion |
S09.03: Boundary Layers and other Topics Location: Z009 Chair: Hendrik C. Kuhlmann A potential-based formulation of the classical and relativistic Navier-Stokes equations 8:50am - 9:10am On the non-uniqueness of marginally separated boundary layer flows 9:10am - 9:30am Regularization of the ill-posed spike formation stage in marginally separated boundary layer flows 9:30am - 9:50am Stochastic modeling of transient neutral and stably-stratified Ekman boundary layers 9:50am - 10:10am Integral effects of the Debye layer on a sedimenting particle with variant zeta-potentials 10:10am - 10:30am Modeling rarefied plasma dynamics in micropropulsion systems for space applications |
S14.09: Applied analysis Location: Z014 Chair: Dorothee Knees Junction problems for thin inclusions located inside elastic bodies 8:50am - 9:10am Asymptotic modelling of bonded plates by a soft thin adhesive layer 9:10am - 9:30am Fatigue and phase transition in an oscillating elastoplastic beam 9:30am - 9:50am Separately Global Solutions to Rate-Independent Systems - Applications to Large-Strain Deformations of Damageable Solids 9:50am - 10:10am Large Time Existence for Thin Vibrating Rods 10:10am - 10:30am Thermo-visco-elasticity at finite strain |
S18.12: Structural Mechanics Location: Z018 Chair: Herbert Egger Robust discretization of the Reissner--Mindlin plate with Taylor-Hood FEM 9:10am - 9:30am Mixed FEM for Gradient Elasticity 9:30am - 9:50am Stress-Based Adaptivity for Quasi-Variational Inequalities Associated with Frictional Contact 9:50am - 10:10am Boundary Element Preconditioners for the Elasticity Equations 10:10am - 10:30am Space-time stabilized FEM applied on the hyperbolic heat conduction equation for high speed frictional contact |
S22.07: Scientific computing Location: Z022 Chair: Felix Schmidt Quantum Computing as a Tool for Solving Problems in Mechanics 8:50am - 9:10am Lattice Boltzmann Methods for Turbulent Flows around Wind Turbines using the Actuator Line Model 9:10am - 9:30am IMEX-DG schemes for advection-diffusion using term-based or domain-based IMEX splitting 9:30am - 9:50am Recent developments in the field of modified Patankar-Runge-Kutta-methods 9:50am - 10:10am Model identification coupling Bayesian Inference with PGD reduced models with random field material parameters |
S23.04: Applied operator theory Location: Z023 Chair: Roland Schnaubelt Well-posedness of linear first order port-Hamiltonian Systems on multidimensional spatial domains 9:10am - 9:50am Stability under structured perturbations 9:50am - 10:30am Approximate robust output regulation of boundary control systems |
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10:30am - 11:00am |
Coffee Break |
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11:00am - 12:00pm |
PL7 Location: W001 Chair: Jörg Schumacher Exotic patterns of Faraday waves |
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12:00pm - 1:00pm |
PL8 Location: W002 Chair: Otto Timme Bruhns Mechanical interfaces and interphases |
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1:00pm - 1:30pm |
Closing Location: W003 |
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