Monday, September 6, 2021 
09:00 
Opening 

Inverse Problems Chair: Oliver Ernst 
09:05 
Erik Burman 
Finite element methods for inverse problems

09:55 
Manuel Weiß 
Geometry segmentation based on the normal vector field with total variation regularization


Optimization Chair: Oliver Ernst 
10:25 
Helmut Harbrecht 
Shape optimization for composite materials and scaffolds
[slides]

10:55 
Max Winkler 
Optimal control of rotationally symmetric viscoplastic fluid flows
[slides]

11:25 
Coffee Break 

Applications Chair: Olaf Steinbach 
11:50 
Fabian Castelli 
Efficient MatrixFree Simulation of a CahnHilliardType PhaseField Model for Battery Electrode Particles
[slides]

12:20 
Felix Ernesti 
Computing the effective crack energy of heterogeneous materials by a fast Fourier transform based method on a combinatorially consistent grid
[slides]

12:50 
Lunch 

Nonlinear PDEs Chair: Arnd Rösch 
14:00 
Dietmar Gallistl 
Adaptive discretization of HJB equations with Cordes coefficients
[slides]

14:50 
Aimreh Mousavi 
A leastsquares Galerkin approach to gradient recovery for HamiltonJacobiBellman equation with Oblique derivative boundary conditions

15:20 
Abderrezak Ghezal 
Approximation of branch of nonsingular solutions of Marguerrevon Kármán equations

15:50 
Coffee Break 

DG Chair: Sven Beuchler 
16:15 
Miloslav Vlasak 
A posteriori error estimates for discontinuous Galerkin methods with conservative fluxes (SIPG)
[slides]

16:45 
Stephen Moore 
Multipatch Discontinuous Galerkin Isogeometric Analysis for some elliptic problems with Singularities

17:15 
Lina Zhao 
A pressure robust staggered DG method for NavierStokes equations on polygonal meshes

19:00 
Meeting Scientific Commitee 
Tuesday, September 7, 2021 

UQ Chair: Martin Stoll 
08:30 
Paola Antonietti 
Numerical models for earthquake ground motion and seismic risk assessment
[slides]

09:20 
Amirreza Khodadadian 
Bayesian inversion for unified ductile phasefield fracture

09:50 
Pelin Çiloğlu 
Stochastic Discontinuous Galerkin Methods with LowRank Solvers for Convection Diffusion Equations
[slides]

10:20 
Coffee Break 

Adaptivity I Chair: Martin Stoll 
10:45 
Jan Papež 
Algebraic error and residualbased a posteriori error estimator
[slides]

11:15 
Abhinav Jha 
A Residual based a Posteriori Error Estimators for Algebraic Flux Correction Scheme

11:45 
Arbaz Khan 
Conforming and nonconforming Finite element approximations for the stationary generalized BurgersHuxley equation

12:15 
Lunch 

Adaptivity II Chair: Gundolf Haase 
13:30 
Jan Blechta 
Goaloriented Adaptivity for the Diffusion Equation with Point Sources and Point Observations
[slides]

14:00 
Ismail Merabet 
A posteriori error analysis for the obstacle problem of a Naghdi's shell

14:30 
Mohadese Ramezani 
Graded Ltype schemes coupled with an adaptive FEM for solving subdiffusion equations

15:00 
Coffee Break 

Eigenvalues Chair: Gundolf Haase 
15:25 
Fleurianne Bertrand 
LeastSquares approximations of eigenvalue problems
[slides]

15:55 
Vladislav Olkhovskiy 
Guaranteed lower bounds for Maxwell eigenvalues
[slides]

19:30 
Conference Dinner 
Wednesday, September 8, 2021 

General FE Chair: Helmut Harbrecht 
08:30 
Olaf Steinbach 
Improved error estimates in spacetime finite element methods
[slides]

09:00 
Michele Ruggeri 
Convergent finite element methods for the Ericksen model of nematic liquid crystals
[slides]

09:30 
Maryam Parvizi 
HMatrix approximations to inverses for FEMBEM couplings

10:00 
Coffee Break 

CFD Chair: Thomas Apel 
10:25 
Gunar Matthies 
Pressurerobust discretisations for the generalised Stokes problem on nonaffine meshes
[slides]

10:55 
Gozel Judakova 
A stability analysis of the Stokes interface problem with locally modified finite elements
[slides]

11:25 
Douglas Ramalho Queiroz Pacheco 
On an initial higherorder pressure convergence in equalorder finite element discretisations of the Stokes system
[slides]

11:55 
Closing 