Conference Agenda

Session Overview
Location: Z003
Date: Monday, 15/Mar/2021
5:00pm - 7:00pmYRM3: Recent developments in Isogeometric Analysis for Flow Problems
Location: Z003
Session Chair: Philipp Morgenstern
Session Chair: Andreas Apostolatos
5:00pm - 5:20pm

Adaptive isogeometric methods with inexact solvers

G. Gantner, A. Haberl, D. Haberlik, D. Praetorius, S. Schimanko

University of Amsterdam, Netherlands, The

5:20pm - 6:00pm


T. Spenke, N. Hosters, M. Behr

RWTH Aachen University, Germany

6:00pm - 6:20pm

Mesh refinement for rate-optimal unstructured AS T-splines

R. Maier2, P. Morgenstern1, T. Takacs3

1Institute of Applied Mathematics, Leibniz Universität Hannover, Germany; 2Institute of Mathematics, Universität Augsburg; 3Institute of Applied Geometry, Johannes Kepler University Linz

6:20pm - 6:40pm

C1 Isogeometric discretizations over multi-patch domains

M. Kapl2, G. Sangalli3, T. Takacs1

1Johannes Kepler University Linz, Austria; 2RICAM, ÖAW, Austria; 3University of Pavia, Italy


Date: Tuesday, 16/Mar/2021
8:30am - 10:30amS03.01: Phase-field modeling of fracture I
Location: Z003
Session Chair: Fadi Aldakheel
8:30am - 8:50am

A strain gradient enhanced model for the phase-field approach to fracture

R. Makvandi1, B. E. Abali2, S. Eisenträger3, D. Juhre1

1Otto von Guericke University Magdeburg, Germany; 2Uppsala University, Sweden; 3The University of New South Wales, Australia

8:50am - 9:10am

Adaptive Shape Functions for a Phase Field Fracture Model

D. Olesch1, A. Schlüter1, R. Müller1, C. Kuhn2

1Institute of Applied Mechanics, TU Kaiserslautern, Germany; 2University of Stuttgart, Stuttgart, Germany

9:10am - 9:30am

Space-dependent transition zone parameter for a phase-field model of brittle fractures

D. Phansalkar1, K. Weinberg2, M. Ortiz3, S. Leyendecker1

1Institute of Applied Dynamics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany; 2Lehrstuhl für Festkörpermechanik, Universität Siegen, Germany; 3Division of Engineering and Applied Sciences, California Institute of Technology, USA

9:30am - 9:50am

A phase field approach to cohesive fracture in line with Conti et al. [1]

H. Lammen, J. Mosler

TU Dortmund University, Germany

9:50am - 10:10am

Prediction of effective anisotropic properties of heterogeneous microstructures using a crack phase-field model

A. C. Hansen-Dörr, M. Kästner

Institute of Solid Mechanics, TU Dresden, Dresden, Germany

10:10am - 10:30am

Fast implicit FFT-based solvers for phase-field brittle fracture problems on heterogeneous microstructures

F. Ernesti, M. Schneider, T. Böhlke

Karlsruhe Institute of Technology (KIT), Germany

2:00pm - 4:00pmMS3: Dissipativity, Turnpikes, and Optimal Control
Location: Z003
Session Chair: Timm Faulwasser
Session Chair: Lars Grüne
The talks in the session explain how the concepts of dissipativity and turnpikes help to understand the qualitative behaviour of solutions to optimal control problems.
2:00pm - 2:20pm

Dissipativity in economic model predictive control: beyond steady-state optimality

M. A. Müller

Leibniz University Hannover, Germany

2:20pm - 2:40pm

Economic MPC without terminal constraints: Gradient-correcting end penalties enforce asymptotic stability

M. Zanon1, T. Faulwasser2

1IMT School for Advanced Studies Lucca, Italy; 2Technische Universität Dortmund, Germany

2:40pm - 3:00pm

Storage functions for differential-algebraic equations

T. Reis1, F. Haller1, M. Voigt2

1Universität Hamburg, Germany; 2Technische Universität Berlin, Germany

3:00pm - 3:20pm

Turnpike in optimal shape design

G. Lance1, E. Trélat1, E. Zuazua2,3,4

1Sorbonne Université, Université Paris-Diderot SPC, CNRS, Inria, Laboratoire Jacques-Louis Lions, équipe CAGE, Paris (France); 2Alexander University, Erlangen–Nürnberg (Germany); 3DeustoTech, Fundaciòn Deusto, Universidad de Deusto, Bilbao (Spain); 4Departamento de Matemàticas, Universidad Autònoma de Madrid (Spain)

3:20pm - 3:40pm

Turnpike structures for the solutions of optimal control problems with objective functions of tracking type

M. Gugat

Friedrich Alexander-Universität Erlangen-Nürnberg, Germany

3:40pm - 4:00pm

On the Relation of Velocity Turnpikes and Motion Primitives in Optimal Control of Mechanical Systems

T. Faulwasser1, K. Flaßkamp2, S. Ober-Blöbaum3, K. Worthmann4

1TU Dortmund, Germany; 2Saarland University, Germany; 3Paderborn University, Germany; 4TU Ilmenau, Germany

4:30pm - 6:30pmS03.02: Phase-field modeling of fracture II
Location: Z003
Session Chair: Ralf Müller
4:30pm - 4:50pm

A coarse-grained phase-field crystal model of plastic motion

A. Voigt

TU Dresden, Germany

4:50pm - 5:10pm

Suction-induced fracturing in multiphase porous materials: Numerical modeling and experimental validation

Y. Heider

RWTH Aachen University, Germany

5:10pm - 5:30pm

Phase-field modelling and simulation of fracture in viscoelastic materials

F. Dammaß, M. Ambati, M. Kästner

TU Dresden, Germany

5:30pm - 5:50pm

Phase-field modelling of fatigue crack fracture under residual stresses

M. Seiler1, S. Keller2, N. Kashaev2, B. Klusemann2,3, M. Kästner1

1TU Dresden, Germany; 2Helmholtz-Zentrum Geesthacht, Germany; 3Leuphana University of Lüneburg, Germany

5:50pm - 6:10pm

Experimental investigation and numerical simulation of cyclic deformation behavior of SLM-manufactured aluminum alloys

T. Wiegold, S. Aygün, S. Klinge

TU Dortmund University, Germany


Date: Wednesday, 17/Mar/2021
8:30am - 9:30amS03.03: Experimental damage and fracture mechanics
Location: Z003
Session Chair: Stefan Hartmann
8:30am - 8:50am

Porosity analysis in advanced materials for aero engines

S.-M. Rauscher, A. Raina, I. Kaleel

DLR, Institut of Test and Simulation for Gas Turbine, Am Technologiezentrum 5, 86159 Augsburg

8:50am - 9:10am

Damage and fracture of the optimized X0-specimen

S. Gerke1, J. Liedmann2, M. Brünig1, F.-J. Barthold2

1Universität der Bundeswehr München, Germany; 2Technische Universität Dortmund, Germany

2:00pm - 4:00pmS03.04: Gradient damage and plasticity
Location: Z003
Session Chair: Björn Kiefer
2:00pm - 2:20pm

A computational framework for gradient-enhanced damage -- implementation and applications

R. Schulte1, R. Ostwald1,2, L. Sprave1, A. Menzel1,3

1Institut of Mechanics, TU Dortmund University, Leonhard-Euler-Str.5,44227 Dortmund, Germany; 2Bremen Institute of Mechanical Engineering (BIME), University of Bremen, Am Biologischen Garten 2, 28359 Bremen, Germany; 3Division of Solid Mechanics, Lund University, P.O. Box 118, 22100 Lund, Sweden

2:20pm - 2:40pm

Modeling gradient-enhanced anisotropic ductile damage: Application to low cycle fatigue

K. Langenfeld, K. Möhring, F. Walther, J. Mosler

TU Dortmund University, Germany

2:40pm - 3:00pm

Anisotropic plasticity - regularised damage material model for sheet metals

J. Friedlein, J. Mergheim, P. Steinmann

Friedrich-Alexander University Erlangen-Nürnberg (FAU), Germany

3:00pm - 3:20pm

Nonlocal damage modelling for finite element simulations of ductile steel sheets under multiaxial loading

M. Nahrmann, A. Matzenmiller

University of Kassel, Germany

3:20pm - 3:40pm

Reduced integration-based solid and solid-shell finite elements for gradient-extended damage

O. Barfusz, T. van der Velden, T. Brepols, S. Reese

RWTH Aachen University, Germany

3:40pm - 4:00pm

A gradient-enhanced micro-polar damage-plasticity approach for modeling mode I and mode II failure of concrete

M. Neuner, G. Hofstetter

University of Innsbruck, Austria, Unit for Strength of Materials and Structural Analysais, Department of Basic Sciences in Engineering Science

4:30pm - 6:30pmS03.05: Composites
Location: Z003
Session Chair: Stefan Löhnert
4:30pm - 4:50pm

Experiment and simulation of a single-fiber push-out test on glass fiber reinforced SMC

B. Rohrmüller1,2, P. Gumbsch1,2, J. Hohe2

1Karlsruhe Institute of Technology (KIT), Germany; 2Fraunhofer-Institute for Mechanics of Materials IWM, Freiburg, Germany

4:50pm - 5:10pm

Analysis of the influence of process-induced damage on the fracture behaviour – a study on remote laser cut carbon fibre reinforced polymers

B. Schmidt1, M. Rose2, M. Zimmermann2, M. Kästner1,3

1Institute of Solid Mechanics, TU Dresden, Dresden, Germany; 2Institute of Materials Science, TU Dresden, Dresden, Germany; 3Dresden Center for Computational Materials Sciense (DCMS), TU Dresden, Dresden, Germany

5:10pm - 5:30pm

Semi-analytical method for the stress analysis of transverse cracks in composite structures

C. Peiler, A. Kappel, C. Mittelstedt

Technische Universtität Darmstadt, Germany

5:30pm - 5:50pm

A semi-analytical approach for the efficient prediction of thermally induced interface crack initiation at bi-material free edges

S. Dölling, S. Bremm, A. Kohlstetter, J. Felger, W. Becker

Technische Universität Darmstadt, Fachgebiet Strukturmechanik, Germany

5:50pm - 6:10pm

A general sandwich-type model for delamination failure in angle-ply laminates under thermo-mechanical loading

C. Frey, S. Dölling, W. Becker

TU Darmstadt, Germany


Date: Thursday, 18/Mar/2021
8:30am - 10:30amS03.06: Wear, fatigue and residual stresses
Location: Z003
Session Chair: Markus Kästner
8:30am - 8:50am

Experimental and numerical investigation on the effect of non-proportional load paths on damage and failure behavior in ductile metals

M. Zistl, S. Gerke, M. Brünig

Universität der Bundeswehr München, Germany

8:50am - 9:10am

Modeling of wear processes by a regularized damage-plasticity model based on the emulated RVE

G. Hoormazdi, K. Hackl

Ruhr Universität Bochum, Germany

9:10am - 9:30am

A comparison between constitutive isotropic and anisotropic plasticity material models for an indentation problem

P. Sridhar, K. de Payrebrune

Technische University Kaiserslautern, Germany

9:30am - 9:50am

Extension of the Local strain approach to transient material behavior and residual stresses

D. Kühne, M. Seiler, P. Hantschke, M. Kästner, M. Fiedler

Chair of Computational and Experimental Solid Mechanics, TU Dresden, Germany

2:00pm - 4:00pmS03.07: Theory and numerics
Location: Z003
Session Chair: Geralf Hütter
2:00pm - 2:20pm

Energy for Brittle Crack Propagation in Crystalline Systems

S. Birang.O1, P. Steinmann2

1University of Erlangen-Nuremberg, Germany; 2School of Engineering, University of Glasgow

2:20pm - 2:40pm

Simulation of ductile crack propagation through hard metal microstructures at finite strains by application of an extended eigenerosion framework

D. Wingender, D. Balzani

Ruhr-Universität Bochum, Germany

2:40pm - 3:00pm

Simulation of crack propagation without using crack tracking algorithm in the embedded discontinuity model

A. Stanić1, B. Brank2, A. Ibrahimbegovic3, H. G. Matthies4

1University of Twente, Faculty of Engineering Technology, The Netherlands; 2University of Ljubljana, Faculty of Civil and Geodetic Engineering, Slovenia; 3Université de Technologie de Compiègne - Alliance Sorbonne Universités, Laboratoire de Mécanique, France; 4Technische Universität Braunschweig, Institute of Scientific Computing, Germany

3:00pm - 3:20pm

Computational design of heterogeneous materials to enhance interfacial fracture resistance using gradient-based material optimization

S. Singh, M. Stingl

Friedrich-Alexander University Erlangen-Nürnberg (FAU)

3:20pm - 3:40pm

Peridynamic analysis of dynamic fracture: Dimensionality and Specimen size

S. N. Butt, G. Meschke

RUHR University Bochum, Germany

3:40pm - 4:00pm

An enhanced algorithmic scheme for relaxed incremental variational damage formulations at finite strains

M. Köhler1, T. Neumeier2, D. Peterseim2, M. Peter2, D. Balzani1

1Ruhr-Universität Bochum, Germany; 2Universität Augsburg, Germany