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20th GAMM Seminar on Microstructures

TU Wien, January 28-29, 2021

The GAMM Seminar on Microstructures is the annual meeting of the GAMM activity group on Analysis of Microstructures. This year's workshop is organized in cooperation with SPP 2256 "Variational Methods for Predicting Complex Phenomena in Engineering Structures and Materials" funded by the German Science Foundation. The workshop will focus on various aspects of microstructures in solid mechanics, material science, and applied mathematics:

  • Modeling materials with microstructure (plasticity, damage, phase transitions, electro-magneto-mechanics, ...)
  • Experimental results on the formation and evolution of microstructure (lamination, phase transformation, ...)
  • Mathematical analysis, variational formulations, non-convex problems, relaxation methods
  • Multiscale methods and computational tools for the determination of effective properties of microheterogeneous materials

The workshop gives the opportunity to discuss and to compare different approaches to the above fields. It provides a platform for the interaction among young and established researchers in solid mechanics, mathematics, and material science.

For more information, see "20th GAMM Seminar on Microstructures".



Thursday, 28.01.2021
Time Title Presenter
08:50 - 09:00 Opening  
09:00 - 09:40 Multiphysics phase-field modeling and simulation of microstructure evolution during additive manufacturing Bai-Xiang Xu (Darmstadt)
09:40 - 10:00 The resolution error in image-based microstructure modeling and its embedding into the unified error framework of FE-HMM Bernhard Eidel (Siegen)
10:00 - 10:20 Error estimate in homogenization of fourth order elliptic operators Svetlana Pastukhova (Moskau)
10:20 - 11:00 Pause  
11:00 - 11:20 A modular and convex framework to compute anisotropic damage evolution Johannes Görthofer (Karlsruhe)
11:20 - 11:40 Relaxed energy potentials based on A-quasiconvexity: Application to shape memory alloys Thorsten Bartel (Dortmund)
11:40 - 12:00 Dimension reduction through Gamma convergence in thin elastic sheets with thermal strain, with consequences for the design of controllable sheets David Padilla Garza (Dresden)
12:00 - 14:00 Pause  
14:00 - 14:20 Crystallization in a one-dimensional periodic landscape Ulisse Stefanelli (Wien)
14:20 - 14:40 Nucleation and growth of lattice crystals Antonio Tribuzio (Heidelberg)
14:40 - 15:00 Homogenization of the vibro-acoustic transmission on perforated elastic plates with metamaterial properties Eduard Rohan (Pilsen)
15:00 - 15:20 Aspects of a finite element formulation for the relaxed micromorphic model Mohammad Sarhil (Duisburg-Essen)
15:20 - 16:00 Pause  
16:00 - 16:20 Numerical investigation of residual stresses on multiple scales during the cooling of hot formed parts Dominik Brands (Duisburg-Essen)
16:20 - 16:40 On the Motion of Curved Dislocations in Three Dimensions: Simplified Linearized Elasticity Janusz Ginster (Berlin)
16:40 - 17:00 Relaxation and Numerical Implementation for a Model of Nonlinear Strain-Gradient Single-Crystal Elastoplasticity Patrick Dondl (Freiburg)
17:00 - 17:20 Plasticity with non-convex elastic-domain, symmetric div-quasiconvexity and stress-space relaxation Michael Ortiz (Pasadena)
17:20 - 17:30 Pause  
17:30 GAMM FA  
Friday, 29.01.2021
Time Title Presenter
09:00 - 09:40 Two-well linearization for solid-solid phase transitions Elisa Davoli (Wien)
09:40 - 10:00 Emergence of rigid polycrystals from atomistic systems Manuel Friedrich (Münster)
10:00 - 10:20 The influence of effective viscosity on particle sedimentation Richard Schubert (Aachen)
10:20 - 11:00 Pause  
11:00 - 11:20 A phase-field approach to Topology Optimization in elastoplasticity Stefano Almi (Wien)
11:20 - 11:40 Numerical approximation of the inertial Landau-Lifshitz-Gilbert equation Michele Ruggeri (Wien)
11:40 - 12:00 Separately Global Solutions to Rate-Independent Systems - Applications to Large-Strain Deformations of Damageable Solids Petr Pelech (Berlin)
12:00 - 14:00 Pause  
14:00 - 14:20 Periodize the law? - A computational study of stochastic homogenization for particle-filled composites Matti Schneider (Karlsruhe)
14:20 - 14:40 Representative volume element approximations for laminated nonlinearly elastic random materials Mathias Schäffner (Dortmund)
14:40 - 15:00 Model reduction by mean-field homogenization in viscoelastic composites Martin Ignacio Idiart (La Plata)