Program — Book of abstracts (PDF)

Chemnitz FE Symposium 2022:   Program

Thursday, September 15, 2022
09:00 Opening (Room 3)
Singularities (Room 3)
Chair: Thomas Apel
09:20 Serge Nicaise An analysis of high-frequency Helmholtz problems in domains with conical points and their finite element discretization   [slides]
10:10 Coffee Break
Singularities (Room 3)
Chair: Serge Nicaise		 Solvers (Room 4)
Chair: Gundolf Haase		 DG/CFD (Room 8)
Chair: Stefan Sauter
10:35 Dmitriy Leykekhman Pointwise error estimates for C⁰ interior penalty approximation of biharmonic problems   [slides] Markus Bause Space-time finite element and multigrid methods for coupled hyperbolic-parabolic systems   [slides] Gunar Matthies Some aspects of variational time discretisations of higher order and higher regularity   [slides]
11:00 Johannes Pfefferer Finite element error estimates for PDEs with irregular Dirichlet boundary data using boundary concentrated meshes Matthias Mayr Using structured multigrid methods in unstructured FEM solvers   [slides] Ritesh Singla Supremum-norm a posteriori Error Control of Quadratic Discontinuous Galerkin Methods for the Obstacle Problem   [slides]
11:25 Philipp Zilk Isogeometric approximation of the eigenfrequencies of membranes with cracks and application to shape identification   [slides] Stephan Köhler Globalization of Nonlinear FETI-DP Methods Jakob Wagner Fully Discrete Error Estimates for Finite Element Discretizations of the Instationary 2D Navier-Stokes Equations   [slides]
11:50 Fleurianne Bertrand Eigenvalue problems arising from coupled partial differential equations   [slides] Markus M. Knodel Application of fully implicit Nested Newton solvers to multicomponent multiphase flow in porous media and to elastoplastic deformations of biological tissue   [slides] Chutima Kongvarhodom Modeling of two-phase flow in porous media: transport behavior of lubricant oil in rubberwood   [slides]
12:15 Lunch Break
Optimal Control (Room 3)
Chair: Arnd Rösch
13:30 Mariano Mateos FE Approximation of Dirichlet Control Problems Governed by the Stokes System   [slides]
Optimal Control (Room 3)
Chair: Arnd Rösch
14:20 Max Winkler Optimization of pedestrian dynamics   [slides]
15:10 Poster Set-up (Room 3)
Poster Session (Room 3)
Chair: Arnd Rösch
15:15 Fabian Castelli An hp-Adaptive Finite Element Method for a Chemo-Mechanical Battery Active Particle Model   [slides]
15:16 Nils Margenberg The neural network multigrid solver for the Navier-Stokes equations and its application to 3D simulation   [slides]
15:17 Sayed Miah Reduced order modelling using neural networks for predictive modelling of 3D-magneto-mechanical problems with application to magnetic resonance imaging scanners   [slides]
15:18 Surendra Nepal Error analysis for a moving boundary problem describing the penetration of a diffusant concentration into rubbers   [slides]
15:19 Amir Peiraviminaei Simulating the seismic ground motion impact on large buildings: A 3D-1D Finite Element-Truss Model coupling   [slides]
15:20 Hazim Saleh Computational Bite Force Estimation from a Human Mandible Density Profile
15:21 Yashwanth Sooriyakanthan Towards the design of an in-sillico computational tool for the simulation of floorborne vibrations on magnetic resonance imaging scanners
15:22 Petr Svacek On numerical simulation of FSI and FSAI models of human phonation by FEM   [slides]
15:23 Julia Ullrich Numerical Modelling of Temperature-based Time of Death Estimation   [slides]
15:27 Coffee Break and Poster Discussions
Optimal Control (Room 3)
Chair: Mariano Mateos		 Singularities (Room 4)
Chair: Volker John		 Space-Time (Room 8)
Chair: Markus Bause
16:10 Boris Vexler Numerical Analysis of optimal control problem governed by transient Stokes equations with state constraints pointwise in time   [slides] Jens Markus Melenk Local convergence of the FEM for the integral fractional Laplacian   [slides] Christian Wieners Space-time discontinuous Galerkin methods for weak solutions of hyperbolic linear symmetric Friedrichs systems   [slides]
16:35 Michael Hinze PDE constrained shape optimization in the Lipschitz topology   [slides] Markus Faustmann Weighted analytic regularity and hp-FEM for the integral fractional Laplacian   [slides] Max von Danwitz Space-Time Finite Elements and Model Order Reduction
17:00 Roland Herzog Efficient Solution of A Nonlocal Optimal Control Problem   [slides] Mohadese Ramezani A local discontinuous Galerkin method for the subdiffusion inverse source problem with a weakly singular solution   [slides] Martyna Soszynska Multirate Adaptive Time-stepping Schemes for Coupled Systems of PDEs   [slides]
17:25 Christof Haubner Optimal control and regularization of a simplified Signorini problem   [slides] Tanvi Wadhawan Adaptive quadratic finite element method for unilateral contact problem.   [slides]
17:50 Anass Ouannasser Existence and Uniqueness for some Non-Resonant Quasilinear Elliptic Systems with Variable Exponents
18:15 Dinner
20:00 Meeting Scientific Committee
Friday, September 16, 2022
Machine Learning (Room 3)
Chair: Thomas Apel
08:30 Gitta Kutyniok The Impact of Artificial Intelligence on Partial Differential Equations: From Successes to Limitations   [slides]
09:20 Room Change Break
Machine Learning (Room 3)
Chair: Thomas Richter		 FEM-BEM (Room 4)
Chair: Michael Jung		 Space-Time (Room 8)
Chair: Gunar Matthies
09:25 Nils Margenberg The neural network multigrid solver for the Navier-Stokes equations and its application to 3D simulation   [slides] Alexander Rieder Mortar coupling of hp-discontinuous Galerkin and boundary element methods for the Helmholtz equation   [slides] Sebastian Franz Numerical simulations of first order systems   [slides]
09:50 Piotr Minakowski A priori and a posteriori error estimates for the Deep Ritz method applied to the Laplace and Stokes problem   [slides] Reza Mokhtari A high-order FEM for distributed-order subdiffusion equations   [slides] Sumit Mahajan Finite Element Method for the Generalized Burgers-Huxley Equation with Memory   [slides]
10:15 Coffee Break
Machine Learning (Room 3)
Chair: Matthias Mayr		 Novel Discretizations (Room 4)
Chair: Roland Herzog		 Optimal Control (Room 8)
Chair: Michael Hinze
10:40 Evelyn Herberg An Optimal Time Variable Learning Framework for Deep Neural Networks   [slides] Volker John Finite element methods respecting the discrete maximum principle for convection-diffusion equations I   [slides] Helmut Harbrecht On shape optimization with parabolic state equation   [slides]
11:05 Roland Maier Operator compression with deep neural networks   [slides] Petr Knobloch Finite element methods respecting the discrete maximum principle for convection-diffusion equations II   [slides] Thomas Flaig Implicit Runge-Kutta schemes for optimal control problems with evolution equations   [slides]
11:30 Thomas Richter Fluid-rigid body interactions with large motion and contact Stephen Moore Discontinuous Galerkin Isogeometric Analysis for some elliptic problems with Singularities   [slides] Divay Garg Mixed Finite Element Method for 2nd Order Dirichlet Boundary Control Problem   [slides]
11:55 Farinaz Mostajeran On a deep neural network algorithm for solving backward heat conduction problems   [slides] Elena Bachini An intrinsic finite element method for PDEs on surfaces   [slides]
12:20 Lunch Break
13:30 Group Photo
13:40 Networking and Sightseeing Event (until 17:45)
14:00 Meeting GAMM-FA Optimale Steuerung (for members)
18:00 Conference Dinner
Saturday, September 17, 2022
Computational Mechanics (Room 3)
Chair: Helmut Harbrecht
08:30 Joachim Schöberl Matrix-valued Finite Elements with Applications in Mechanics and Curvature Computation
09:20 Room Change Break
Computational Mechanics (Room 3)
Chair: Helmut Harbrecht		 Optimal Control (Room 4)
Chair: Johannes Pfefferer
09:25 Stefan Sauter High order Crouzeix-Raviart elements in two- and higher dimension. Olaf Steinbach Regularization and finite element error estimates for distributed control problems with energy regularization   [slides]
09:50 Richard Löscher Adaptive FEM for distributed optimal control problems subject to the wave equation with variable energy regularization   [slides]
10:15 Coffee Break
Computational Mechanics (Room 3)
Chair: Joachim Schöberl		 Adaptivity (Room 4)
Chair: Sven Beuchler
10:40 James Elgy The Magnetic Polarizability Tensor for the Classification and Characterisation of Different Metallic Objects Alex Bespalov Multilevel adaptivity for stochastic collocation finite element methods   [slides]
11:05 Lisa Julia Nebel Formation of wrinkles in bi-layer systems   [slides] Merlin Andreia An Adaptive Time Stepping Scheme for Rate-Independent Systems with Non-Convex Energy   [slides]
11:30 Volker Kempf Anisotropic and pressure-robust discretization of incompressible flows   [slides] Jean-Baptiste Clément p-Adaptive discontinuous Galerkin method for Richards' equation solution   [slides]
11:55 Closing (Room 3)
12:10 Lunch