Thursday, September 15, 2022 
09:00 
Opening (Room 3) 

Singularities (Room 3) Chair: Thomas Apel 
09:20 
Serge Nicaise 
An analysis of highfrequency 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 
Spacetime finite element and multigrid methods for coupled hyperbolicparabolic 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 
Supremumnorm 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 FETIDP Methods

Jakob Wagner 
Fully Discrete Error Estimates for Finite Element Discretizations of the Instationary 2D NavierStokes 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 twophase 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 Setup (Room 3) 

Poster Session (Room 3) Chair: Arnd Rösch 
15:15 
Fabian Castelli 
An hpAdaptive Finite Element Method for a ChemoMechanical Battery Active Particle Model
[slides]

15:16 
Nils Margenberg 
The neural network multigrid solver for the NavierStokes equations and its application to 3D simulation
[slides]

15:17 
Sayed Miah 
Reduced order modelling using neural networks for predictive modelling of 3Dmagnetomechanical 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 3D1D Finite ElementTruss 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 insillico 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 Temperaturebased 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 
SpaceTime (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 
Spacetime 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 hpFEM for the integral fractional Laplacian
[slides]

Max von Danwitz 
SpaceTime 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 Timestepping 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 NonResonant 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 
FEMBEM (Room 4) Chair: Michael Jung 
SpaceTime (Room 8) Chair: Gunar Matthies 
09:25 
Nils Margenberg 
The neural network multigrid solver for the NavierStokes equations and its application to 3D simulation
[slides]

Alexander Rieder 
Mortar coupling of hpdiscontinuous 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 highorder FEM for distributedorder subdiffusion equations
[slides]

Sumit Mahajan 
Finite Element Method for the Generalized BurgersHuxley 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 convectiondiffusion 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 convectiondiffusion equations II
[slides]

Thomas Flaig 
Implicit RungeKutta schemes for optimal control problems with evolution equations
[slides]

11:30 
Thomas Richter 
Fluidrigid 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 GAMMFA Optimale Steuerung (for members) 
18:00 
Conference Dinner 
Saturday, September 17, 2022 

Computational Mechanics (Room 3) Chair: Helmut Harbrecht 
08:30 
Joachim Schöberl 
Matrixvalued 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 CrouzeixRaviart 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 bilayer systems
[slides]

Merlin Andreia 
An Adaptive Time Stepping Scheme for RateIndependent Systems with NonConvex Energy
[slides]

11:30 
Volker Kempf 
Anisotropic and pressurerobust discretization of incompressible flows
[slides]

JeanBaptiste Clément 
pAdaptive discontinuous Galerkin method for Richards' equation solution
[slides]

11:55 
Closing (Room 3) 
12:10 
Lunch 