Session Overview |

Date: Wednesday, 17/Mar/2021
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8:30am - 9:30am |
S02.03: Implants & virtual injury criteriaLocation: Z002 Chair: Dominik SchillingerLong-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 mechanicsLocation: Z003 Chair: Stefan HartmannPorosity analysis in advanced materials for aero engines 8:50am - 9:10am Damage and fracture of the optimized X0-specimen |
S04.03: Data-driven approachLocation: Z004 Chair: Christian J. CyronA data-driven approach for the structural analysis of hybrid metal-fiber reinforced plastic laminates 8:50am - 9:10am Lapping as a tribological system and parameter identification aspects 9:10am - 9:30am Minimum weight design of curvilinearly grid-stiffened variable-stiffness composite fuselage panels considering buckling and manufacturing constraints 9:30am - 9:50am Sandwich panels with functionally graded strut-based lattice cores |
S06.03: Material modelling in solid mechanicsLocation: Z006 Chair: Björn KieferChair: Stefan DiebelsNeural 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 homogenizationLocation: Z008 Chair: Natalie RauterRelaxed micromorphic modeling of finite-size mechanical metamaterials 8:50am - 9:10am Transparent relaxed micromorphic description of anisotropy in metamaterials |
S08.04: Multiscales and homogenizationLocation: Z027 Chair: Matti SchneiderMultiscale 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 |
S15.03: Stochastic Analysis and ProcessesLocation: Z015 Chair: Andera BarthStrong 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 PDEsLocation: Z018 Chair: Herbert EggerContinuous 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 TheoryLocation: Z020 Chair: Lars GrüneChair: Moritz Schulze DarupIdiophones - 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 |
S21.03: Mathematical signal and image processingLocation: Z021 Chair: Gerlind Plonka-HochChair: Michael MoellerThe 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 computingLocation: Z022 Chair: Matthias BoltenA 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 - 10:00am |
PS2: Poster Session 2Location: S001 Chair: Benjamin UngerChance-constrained optimal control of hyperbolic supply systems Automated shape differentiation and optimization using NGSolve Shape Optimization in Shape Spaces Structure Preserving Model Order Reduction by Parameter Optimization Adaptive concepts in POD model reduction Model Order Reduction in Production Engineering Machine Learning for Nonlinear Dynamics |
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10:00am - 10:30am |
PS3: Poster Session 3Location: S001 Chair: Benjamin UngerCooperative Object Transportation: Modeling, Control Design and Experiments Reconstruction of quasi-local numerical effective models Mathematical analysis and simulation of field models in accelerator circuits Motion design of structures based on a variational formulation A mixed phase-field fracture model - numerical simulation compared to experiments in punctured EPDM strips Dislocation density tensors in finite plasticity |
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10:30am - 11:30am |
RvML 20/21 2Location: W001 Chair: Peter WriggersChair: Achim Ilchmann |
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11:30am - 1:00pm |
GAMM General Assembly |
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1:00pm - 2:00pm |
DKM: Plenary Meeting DEKOMECHLocation: W005 Chair: Andreas Menzel |
YAMM LunchChair: Johanna WaimannChair: Tobias Kaiser |
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2:00pm - 4:00pm |
S01.03: Collision and Nonlinear Dynamics of Rigid BodiesLocation: Z001 Chair: Kristin Miriam de PayrebruneAn 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: ArteriesLocation: Z002 Chair: Daniel BalzaniUnraveling 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 plasticityLocation: Z003 Chair: Björn KieferA 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 & MiscellaneousLocation: Z004 Chair: Carolin BirkA 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 methodsLocation: Z025 Chair: Michael GroßSpace-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 & ControlLocation: Z005 Chair: Johann GroßEfficient 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 |
S06.04: Material modelling in solid mechanicsLocation: Z006 Chair: Lisa ScheunemannChair: Johanna WaimannConstitutive 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 |
S06.05: Material modelling in solid mechanicsLocation: Z026 Chair: Holger SteebExperimental 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 an amorphous network glass |
S07.03: Porous MediaLocation: Z007 Chair: Tim RickenFreezing 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 |
S08.05: Multiscales and homogenizationLocation: Z008 Chair: Geralf HütterPredictive 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 homogenizationLocation: Z027 Chair: Daniel PeterseimTensor 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 flowsLocation: Z010 Chair: Olga ShishkinaOn 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 |
S12.01: Waves and acoustics for solid materialsLocation: Z012 Chair: Fabian DuddeckInfluence 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 |
S14.03: Applied analysisLocation: Z014 Chair: Helmut AbelsThe 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 ProblemsLocation: Z015 Chair: Haakon Andreas HoelTensor-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 |
S16.03: OptimizationLocation: Z016 Chair: Kathrin WelkerAn 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 parallelismLocation: Z017 Chair: John William PearsonNumerical 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 |
S18.05: Space-Time discretizationsLocation: Z018 Chair: Christoph LehrenfeldStabilized 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 |
S19.03: Learning, Stabilization and NetworksLocation: Z019 Chair: Daniel WachsmuthOptimal 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 ControlLocation: Z020 Chair: Jens SaakNumerical 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 processingLocation: Z021 Chair: Michael MoellerChair: Gerlind Plonka-HochChallenges in dynamic imaging 2:40pm - 3:00pm Unsupervised classification with orthogonal projections 3:00pm - 3:20pm A Generative Variational Model for Inverse Problems in Imaging 3:20pm - 3:40pm Shape Reconstruction of Inclusions in Elastic Bodies Based on Real Data via Monotonicity-based Methods |
S22.02: Scientific computingLocation: Z022 Chair: Matthias BoltenBeam-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 |

4:00pm - 4:30pm |
B5: Coffee Break |
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4:30pm - 6:30pm |
S01.04: Control Strategies for Multi-body SystemsLocation: Z001 Chair: Simon R. EugsterOn 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 & heartLocation: Z002 Chair: Christian J. CyronComputational 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: CompositesLocation: Z003 Chair: Stefan LöhnertExperiment 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: OptimizationLocation: Z004 Chair: Ingo MuenchConstrained 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 & WavesLocation: Z025 Chair: Kerstin WeinbergCorrection 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 dynamicsLocation: Z005 Chair: Elmar WoschkePassage 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 |
S06.06: Material modelling in solid mechanicsLocation: Z006 Chair: Michele MarinoA 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 homogenizationLocation: Z008 Chair: Gianluca RizziRecent 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 homogenizationLocation: Z027 Chair: Patrick KurzejaA 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 |
S10.04: Turbulence and reactive flowsLocation: Z010 Chair: Sven EckertTurbulent 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-physicsLocation: Z012 Chair: Fabian DuddeckSeismic 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 |
S14.04: Applied analysisLocation: Z014 Chair: Manuel FriedrichCoarse-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 |
S15.05: ApplicationsLocation: Z015 Chair: Felix LindnerOn 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: OptimizationLocation: Z016 Chair: Andrea WaltherDamage 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 Withdrawn Talk 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 polynomialsLocation: Z017 Chair: Kirk M SoodhalterSolving 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 |
S18.06: Adaptive discretizationsLocation: Z018 Chair: Herbert EggerAdaptive 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 MethodsLocation: Z019 Chair: Johannes PfeffererChair: Constantin ChristofGlobal 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 SystemsLocation: Z020 Chair: Kathrin FlaßkampChair: Stephan TrennImpulse 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 |
S21.05: Mathematical signal and image processingLocation: Z021 Chair: Gerlind Plonka-HochChair: Michael MoellerOrder-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 computingLocation: Z022 Chair: Benjamin JurgelucksOptimizing 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 theoryLocation: Z023 Chair: Birgit JacobL^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 |