|
Lecture room 558
|
Lecture room 559
|
Lecture room 530
|
Lecture room 531
|
Lecture room 532
|
Lecture room 535
|
Lecture room 536
|
Lecture room 537
|
Lecture room 525
|
08:30
MS39: Flexible software design and performance tuning for modern HPC architectures (Part 1)
Chair: Dominik Goeddeke
08:30
25 mins
|
Strategies for the vectorized Block Conjugate Gradients method
Nils-Arne Dreier, Engwer Christian
|
08:55
25 mins
|
Leveraging generative programming for performance portability of high order DG methods
Dominic Kempf, Heß René, Steffen Müthing, Peter Bastian
|
09:20
25 mins
|
FLEXI: A Discontinuous Galerkin Framework for Hyperbolic PDEs on High Performance Systems
Nico Krais, Andrea Beck, Thomas Bolemann, Claus-Dieter Munz, Philipp Offenhaeuser
|
09:45
25 mins
|
Augmented Lagrangian Preconditioning with FreeFEM
Pierre Jolivet
|
|
08:30
MS7: Robust discretizations for coupled elliptic/parabolic equations (Part 1)
Chair: Florin Radu
08:30
25 mins
|
Strongly conservative discretization and parameter-robust Uzawa-type methods for multiple-network poroelasticity models
Johannes Kraus, Qingguo Hong, Maria Lymbery, Fadi Philo
|
08:55
25 mins
|
Efficient solvers for stabilized three-field mixed formulations of the poroelasticity problem
Massimiliano Ferronato, Matteo Frigo, Nicola Castelletto, Joshua White
|
09:20
25 mins
|
The fixed-stress splitting scheme for Biot's equations as a modified Richardson iteration: Implications for optimal convergence
Erlend Storvik, Jakub Wiktor Both, Jan Martin Nordbotten, Florin Adrian Radu
|
09:45
25 mins
|
Polynomial Chaos and Hybrid High-Order methods for poroelasticity with random coefficients
Michele Botti, Daniele A. Di Pietro, Olivier Le Maître, Pierre Sochala
|
|
08:30
MS8: Matrix Computations for PDEs (Part 1)
Chair: Valeria Simoncini
08:30
25 mins
|
Reduced Basis Iterative Solvers for Stochastic Galerkin Matrix Equations
Catherine Powell, Valeria Simoncini
|
08:55
25 mins
|
An Improved Penalty Algorithm for mixed integer and PDE constrained optimization problems
Dominik Garmatter, Martin Stoll, Margherita Porcelli, Francesco Rinaldi
|
09:20
25 mins
|
Matrix-oriented discretization methods for reaction-diffusion PDEs: comparisons and applications
Maria Chiara D'Autilia, Ivonne Sgura, Valeria Simoncini
|
09:45
25 mins
|
Robust preconditioning of a class of PDE-constrained optimization problems including hyperbolic and parabolic control problems
Alexander Beigl, Otmar Scherzer, Jarle Sogn, Walter Zulehner
|
|
08:30
MS10: PDE constrained optimization and variational inequalities (Part 1)
Chair: Daniel Walter
08:30
25 mins
|
Fenchel duality for convex optimization on Riemannian manifolds
Jose Vidal-Nunez, Ronny Bergmann, Roland Herzog, Daniel Tenbrinck
|
08:55
25 mins
|
Optimal Control Problems and Algebraic Flux Correction Schemes
Jens Baumgartner, Arnd Rösch
|
09:20
25 mins
|
Numerical analysis of optimal control of fracture propagation
Masoumeh Mohammadi, Winnifried Wollner
|
09:45
25 mins
|
A Semi smooth Newton Method for Regularized L^q–quasinorm Sparse Optimal Control Problems
Pedro Merino
|
|
08:30
MS44: Uncertainty quantification with physics-informed surrogate models (Part 1)
Chair: Benjamin Sanderse
08:30
25 mins
|
Multi-fidelity neural networks for efficient surrogate modeling
Yous van Halder, Benjamin Sanderse, Barry Koren
|
08:55
25 mins
|
Enhancing RANS with LES for Variable-Fidelity Optimization
Yu Zhang, Rizhard Dwight, Martin Schmelzer, Javier Gómez, Stefan Hickel
|
09:20
25 mins
|
Data-driven stochastic modeling for multiscale dynamical systems
Daan Crommelin
|
09:45
25 mins
|
Hidden Physics Models: Machine Learning of Non-Linear Partial Differential Equations
Maziar Raissi
|
|
08:30
MS36: Data-Driven Computational Fluid Dynamics (Part 1)
Chair: Alfonso Caiazzo
08:30
25 mins
|
Flow field mapping and vasculature resistance estimation for CFD in human arteries
Bruno Frackowiak, Ralph Maessen, Marco Baragona, Sergei Shulepov, Kevin Lau, Juliana Franz, Frans van de Vosse
|
08:55
25 mins
|
A priori numerical analysis of relative pressure estimators from full-field velocity measurements
Rodolfo Araya, Cristobal Bertoglio, Cristian Carcamo
|
09:20
25 mins
|
Newton-Multigrid Solver for Optimal Control of Fluid-Structure Interaction
Lukas Failer, Thomas Richter
|
09:45
25 mins
|
An effective numerical model for fluid-structure interaction in carotid arteries based on CINE MRI images
Silvia Pozzi, Maurizio Domanin, Laura Forzenigo, Alberto Redaelli, Christian Vergara, Emiliano Votta, Paolo Zunino
|
|
08:30
MS32: Recent advances in modelling and numerics of wave phenomena (Part 1)
Chair: Vanja Nikolic
08:30
25 mins
|
Controllability results for the Moore-Gibson-Thompson equation arising in nonlinear acoustics
Sebastián Zamorano, Carlos Lizama
|
08:55
25 mins
|
Error analysis for a discretization of quasilinear wave-type equations
Marlis Hochbruck, Bernhard Maier
|
09:20
25 mins
|
Iterative Coupling for Fully Dynamic Poroelasticity
Markus Bause, Jakub W. Both, Florin A. Radu
|
09:45
25 mins
|
Optimal Control of Waves and Geometric Inverse Problems
Stephan Schmidt, Marc Herrmann, Roland Herzog, Jose Vidal-Nuñez
|
|
08:30
MS19: Numerical methods for Monge-Ampere equations (Part 1)
Chair: Jan ten Thije Boonkamp
08:30
25 mins
|
A second order time integration method for the approximation of a parabolic 2D Monge-Ampère equation
Alexandre Caboussat, Dimitrios Gourzoulidis
|
08:55
25 mins
|
Generalized Monge-Ampère equations for freeform optical system design
Jan ten Thije Boonkkamp, Lotte Romijn, Wilbert IJzerman
|
09:20
25 mins
|
A Monge-Ampère least-squares solver for the design of a freeform lens
Lotte Romijn, Jan ten Thije-Boonkkamp, Wilbert IJzerman
|
09:45
25 mins
|
Semi-discrete methods for nonimaging optics
Boris Mr Thibert
|
|
08:30
Isogeometric Analysis and Fluid Structure Interaction (Part 1)
Chair: Anotida Madzvamuse
08:30
25 mins
|
A direct projection to low-order level for p-multigrid methods in Isogeometric Analysis
Roel Tielen, Matthias Möller, Kees Vuik
|
08:55
25 mins
|
Equilibrium Path Analysis Including Bifurcations with an Arc-Length Method Avoiding A Priori Perturbations
H. M. Verhelst, M. Möller, J.H. Den Besten, F.J. Vermolen, M.L. Kaminski
|
09:20
25 mins
|
An Error-estimate-based Adaptive Integration Scheme for Immersed Isogeometric Analysis
S.C. Divi
|
09:45
25 mins
|
On finite element approximation of aeroelastic problems with consideration of laminar-turbulence transition
Petr Sváček
|
|
|
10:10
BREAK
|
10:40
MS39: Flexible software design and performance tuning for modern HPC architectures (Part 2)
Chair: Dominik Goeddeke
10:40
25 mins
|
Better, faster and more portable: how to code differently
George Bosilca
|
11:05
25 mins
|
Balancing Run-Time Customization and Compile-Time Optimization in HPC
Karl Rupp
|
11:30
25 mins
|
Fully algebraic two-level overlapping Schwarz preconditioners for elasticity problems
Alexander Heinlein, Christian Hochmuth, Axel Klawonn
|
11:55
25 mins
|
Simple and fast software approaches for building differential equation solvers
Garth Wells
|
|
10:40
MS7: Robust discretizations for coupled elliptic/parabolic equations (Part 2)
Chair: Florin Radu
10:40
25 mins
|
A POSTERIORI ERROR ESTIMATION BY STRESS AND FLUX RECONSTRUCTION FOR BIOT’S CONSOLIDATION MODEL
Fleurianne Bertrand
|
11:05
25 mins
|
A mixed dimensional model for the interaction of a well with a poroelastic material
Daniele Cerroni, Florin Radu, Paolo Zunino
|
11:30
25 mins
|
Parameter-robust convergence analysis of fixed-stress split iterative scheme for multiple-permeability models
Qingguo Hong, Johannes Kraus, Maria Lymbery, Mary F. Wheeler
|
11:55
25 mins
|
Cost-reducing space-time discretisations for poroelasticity models
Uwe Koecher
|
|
10:40
MS8: Matrix Computations for PDEs (Part 2)
Chair: Valeria Simoncini
10:40
25 mins
|
Symbol-based preconditioners for PDEs using multigrid
Matthias Bolten
|
11:05
25 mins
|
Preconditioners for space-time isogeometric problems
Mattia Tani, Gabriele Loli, Monica Montardini, Giancarlo Sangalli
|
11:30
25 mins
|
Identification of Dominant Modes via the Shifted Proper Orthogonal Decomposition
Philipp Schulze
|
11:55
25 mins
|
Prescribing convergence behavior of block GMRES
Marie Kubínová, Kirk Soodhalter
|
|
10:40
MS10: PDE constrained optimization and variational inequalities (Part 2)
Chair: Daniel Walter
10:40
25 mins
|
A Priori Error Estimates in Non-Energy Norms and the Aubin-Nitsche Trick for the Two-Dimensional Scalar Signorini Problem
Constantin Christof, Christof Haubner
|
11:05
25 mins
|
A Priori Error Estimates for the Optimal Control of a Simplified Signorini Problem
Christof Haubner
|
11:30
25 mins
|
Shape and Topology Optimization subject to 3D Nonlinear Magnetostatics - Sensitivity Analysis
Peter Gangl, Kevin Sturm
|
11:55
25 mins
|
Optimal control of pedestrian dynamics
Max Winkler, Roland Herzog, Jan Pietschmann, Ailyn Stötzner
|
|
10:40
MS44: Uncertainty quantification with physics-informed surrogate models (Part 2)
Chair: Benjamin Sanderse
10:40
25 mins
|
Consistency and generalization in physics-informed data-driven surrogate models
Karthik Duraisamy
|
11:05
25 mins
|
Bayesian field-inversion for turbulence anisotropy with informative priors
Richard Dwight, Arent van Korlaar
|
11:30
25 mins
|
PDE-constrained neural network for turbulent Rayleigh-Bénard convection
Atul Agrawal, Didier Lucor, Yann Fraigneau, Bérengère Podvin, Anne Sergent
|
11:55
25 mins
|
Reduced model-error source terms for fluid flows
Wouter Edeling, Daan Crommelin
|
|
10:40
MS36: Data-Driven Computational Fluid Dynamics (Part 2)
Chair: Alfonso Caiazzo
10:40
25 mins
|
Segregated methods for Reduced Order Models applied to the Navier-Stokes problem in a finite volume environment
Matteo Zancanaro, Giovannni Stabile, Gianluigi Rozza
|
11:05
25 mins
|
3D flow reconstruction from Doppler ultrasound data
Felipe Galarce, Jean-Frédéric Gerbeau, Damiano Lombardi, Olga Mula
|
11:30
25 mins
|
Reducing the impact of geometrical errors in flow computations by assimilation of velocity data
Cristobal Bertoglio, David Nolte
|
11:55
25 mins
|
Data assimilation in one-dimensional hemodynamics
Alfonso Caiazzo
|
|
10:40
MS32: Recent advances in modelling and numerics of wave phenomena (Part 2)
Chair: Vanja Nikolic
10:40
25 mins
|
Parallel Controllability Methods for the Helmholtz equation
Marcus Grote, Frédéric Nataf, Jet Hoe Tang, Pierre-Henri Tournier
|
11:05
25 mins
|
Multi-Trace FEM-BEM formulation for acoustic scattering by composite objects
Marcella Bonazzoli, Xavier Claeys
|
11:30
25 mins
|
Computational multiscale methods for scattering in heterogeneous high-contrast media
Barbara Verfürth
|
11:55
25 mins
|
Nonlinear ultrasound simulation: A priori finite element analysis and self-adaptive absorbing boundary conditions
Vanja Nikoli´
|
|
10:40
MS19: Numerical methods for Monge-Ampere equations (Part 2)
Chair: Jan ten Thije Boonkamp
10:40
25 mins
|
A least-squares Galerkin gradient recovery method for fully nonlinear elliptic equations
Omar Lakkis, Amireh Mousavi
|
11:05
25 mins
|
A conforming C^1 finite element method for PDEs of Monge-Ampère type with optimal transport boundary conditions
Elisa Friebel, Wolfgang Dahmen, Siegfried Müller
|
11:30
25 mins
|
Monotone and second order consistent scheme for the two dimensional Pucci equation
Joseph Frederic Bonnans, Guillaume Bonnet, Jean-Marie Mirebeau
|
|
10:40
Isogeometric Analysis and Fluid Structure Interaction (Part 2)
Chair: Anotida Madzvamuse
10:40
25 mins
|
General order Virtual Elements for Magnetostatic problems
Lourenco Beirao da Veiga, Franco Brezzi, Franco Dassi, Donatella L. Marini, Alessandro Russo
|
11:05
25 mins
|
A Low-rank Approach for Nonlinear Parameter-dependent Fluid-structure Interaction Problems
Roman Weinhandl, Peter Benner, Thomas Richter
|
11:30
25 mins
|
Numerical approximation of fluid-structure interaction problem in a closing channel near the stability boundary
Jan Valášek, Petr Sváček, Jaromír Horáček
|
11:55
25 mins
|
Isogeometric Analysis of a Reaction-Diffusion Model for Human Brain Development
Jochen Hinz, Joost van Zwieten, Fred Vermolen, Matthias Moller
|
|
|
12:20
LUNCH in the hotel restaurant
|
13:45
Zuiderduinzaal: Keynote: Gitta Kutyniok, TU Berlin, Germany
13:45
45 mins
|
Deep Learning meets Parametric Partial Differential Equations
Gitta Kutyniok
|
|
14:30
Zuiderduinzaal: Keynote: Maxim Olshanskii, University of Houston, Texas, USA
14:30
45 mins
|
Unfitted finite element methods for PDEs posed on stationary and evolving surfaces
Maxim Olshanskii
|
|
|
15:15
BREAK
|
15:45
MS12: Modeling and Simulation of temporal multiscale problems
Chair: Thomas Richter
15:45
25 mins
|
Mathematical and numerical models of atherosclerotic plaque progression in carotid arteries
Silvia Pozzi, Christian Vergara
|
16:10
25 mins
|
A temporal multi-scale approach for flow problems and its application to atherosclerotic plaque growth
Stefan Frei, Thomas Richter
|
16:35
25 mins
|
Multiscale Modelling of Cancer Invasion Process: macrophages influence on cancer cell motility within fibrous environment
Dumitru Trucu
|
17:00
25 mins
|
Numerical Continuation of Stochastic Problems
Christian Kuehn
|
|
15:45
MS7: Robust discretizations for coupled elliptic/parabolic equations (Part 3)
Chair: Florin Radu
15:45
25 mins
|
Interfaces in porous-media systems are everywhere: evaporation and salt precipitation at the atmosphere-unsaturated interface
Katharina Heck, Kilian Weishaupt, Edward 'Ned' Coltman, Melanie Lipp
|
16:10
25 mins
|
Dynamic and weighted stabilizations of the L-scheme applied to a phase-field model for fracture propagation
Christian Engwer, Iuliu Sorin Pop, Thomas Wick
|
16:35
25 mins
|
A domain decomposition method for two-phase flow models in heterogeneous porous media
Kundan Kumar, Florian List, Stephan Lunowa, Koondanibha Mitra, Iuliu Sorin Pop, Florin Adrian Radu
|
|
15:45
MS23: Recent Advances in Numerical Simulation of Incompressible Flows (Part 1)
Chair: Christoph Lehrenfeld
15:45
25 mins
|
Virtual Elements for the Stokes and Navier-Stokes equations in 2D
Lourenco Beirao da Veiga, Carlo Lovadina, Giuseppe Vacca
|
16:10
25 mins
|
Virtual Elements for the Stokes and Navier-Stokes equations in 3D
Lourenco Beirao da Veiga, Franco Dassi, Giuseppe Vacca
|
16:35
25 mins
|
The unfitted HHO method for the Stokes problem on curved domains
Erik Burman, Guillaume Delay, Alexandre Ern
|
17:00
25 mins
|
A gradient-robust, well-balanced discretisation for the compressible barotropic Stokes problem
Christian Merdon, Alexander Linke
|
|
15:45
MS10: PDE constrained optimization and variational inequalities (Part 3)
Chair: Daniel Walter
15:45
25 mins
|
Learning nonlocal regularizers using bilevel optimization
Gernot Holler, Karl Kunisch
|
16:10
25 mins
|
Optimal Control of the Relativistic Vlasov-Maxwell System with Boundary Conditions
Jörg Weber
|
16:35
25 mins
|
Approximation of Rate-Independent Evolution with Non-Convex Energies
Christian Meyer, Michael Sievers
|
17:00
25 mins
|
Linear convergence of accelerated conditional gradient algorithms in spaces of measures
Daniel Walter
|
|
15:45
MS44: Uncertainty quantification with physics-informed surrogate models (Part 3)
Chair: Benjamin Sanderse
15:45
25 mins
|
Fusion plasma turbulence simulation with neural network surrogate models
Jonathan Citrin, Clarisse Bourdelle, Yann Camenen, Federico Felici, Aaron Ho, Karel van de Plassche
|
16:10
25 mins
|
Structure preserving reduced order models for Hamiltonian systems on Poisson manifolds
Cecilia Pagliantini, Jan Hesthaven
|
16:35
25 mins
|
Energy-conserving reduced order models for incompressible flow
Benjamin Sanderse
|
17:00
25 mins
|
Experimental Comparison of Symplectic and Non-symplectic Model Order Reduction on an Uncertainty Quantification Problem
Patrick Buchfink, Bernard Haasdonk
|
|
15:45
MS22: Structure-preserving discretization methods II: Variational methods for physics compatible discretizations (Part 1)
Chair: Marc Gerritsma
15:45
25 mins
|
A structure-preserving approximation of the discrete split rotating shallow water equations
Werner Bauer, Jörn Behrens, Colin Cotter
|
16:10
25 mins
|
Structure-Preserving Global Ocean Modelling on Unstructured Grids
Peter Korn
|
16:35
25 mins
|
Structure-preserving models of reversible and irreversible dynamics in geophysical fluids
Christopher Eldred, Thomas Dubos, Francois Gay-Balmaz
|
17:00
25 mins
|
Solution of the 3D compressible Euler equations using mixed mimetic spectral elements
David Lee, Artur Palha
|
|
15:45
|
15:45
Numerical Linear Algebra (Part 1)
Chair: Chandrasekhar Venkataraman
15:45
25 mins
|
On the Dirichlet-to-Neumann coarse space for solving the Helmholtz problem using domain decomposition
Niall Bootland, Victorita Dolean
|
16:10
25 mins
|
Accurate and Reproducible CG Method on GPUs
Daichi Mukunoki, Takeshi Ogita, Katsuhisa Ozaki
|
16:35
25 mins
|
The Master-Slave splitting extended to power flow problems on integrated networks with an unbalanced distribution network
Marieke Kootte, Kees Vuik
|
17:00
25 mins
|
The Concept of Prehandling as Direct Preconditioning for Poisson-like Problems
Stefan Turek, Peter Zajac, Dirk Ribbrock
|
|
15:45
Isogeometric Analysis and Fluid Structure Interaction (Part 3)
Chair: Anotida Madzvamuse
15:45
25 mins
|
A minimal set of unisolvent weights for high-order Whitney forms on simplices
Ana Alonso Rodriguez, Ludovico Bruni Bruno, Francesca Rapetti
|
16:10
25 mins
|
Goal-Oriented A Posteriori Error Estimates for Elliptic Problems discretized by the Discontinuous Galerkin Method
Ondřej Bartoš, V. Dolejší
|
16:35
25 mins
|
Monotonicity considerations for stabilized DG cut cell schemes for the unsteady advection equation
Florian Streitbürger, Christian Engwer, Sandra May, Andreas Nüßing
|
17:00
25 mins
|
Finite Element Approximation of the Spectrum of the Curl Operator
Ana Alonso Rodriguez, Jessika Camano, Rodolfo Rodriguez, Alberto Valli, Pablo Venegas
|
|
17:30
Zuiderduinzaal: Keynote: Michele Benzi, Scuola Normale Superiore, Italy
17:30
45 mins
|
Some uses of the field of values in numerical analysis
Michele Benzi
|
|
