Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

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Session Overview
Location: Z015
Date: Tuesday, 16/Mar/2021
8:30am - 10:30amS15.01: Machine Learning and Inverse Problems
Session Chair: Andera Barth
8:30am - 8:50am

A neural network-based ensemble filter for non-linear data assimilation

T.-V. Hoang1, H. G. Matthies2, S. Krumscheid1, T. Raul1

1Chair of Mathematics for Uncertainty Quantification, Department of Mathematics, RWTH-Aachen University; 2Institute for Scientific Computing, Technische Universität Braunschweig

8:50am - 9:10am

Constitutive artificial neural networks: a general anisotropic constitutive modeling framework utilizing machine learning

M. Hillgärtner1, K. Linka2, K. P. Abdolazizi1,2, R. C. Aydin3, M. Itskov1, C. J. Cyron2,3

1RWTH Aachen University, Germany; 2Hamburg University of Technology; 3Helmholtz-Zentrum Geesthacht

9:10am - 9:30am

Physics informed neural networks for homogenization of complex microstructures

A. Henkes1, H. Wessels2, R. Mahnken1

1Chair of Engineering Mechanics, University of Paderborn; 2Institute of Continuum Mechanics, Leibniz University Hannover

9:30am - 9:50am

Chance-constrained optimal control of a gas-to-power system

K. Lux1, S. Göttlich2, O. Kolb2

1Technical University of Munich, Germany; 2University of Mannheim, Germany

9:50am - 10:10am

Influence of geometrical variation on mechanical properties of fibrous paper materials: a multivariate regression analysis

B. Lin, Y. Bai, P. Stein, B.-X. Xu

TU Darmstadt, Germany

4:30pm - 6:30pmS15.02: (Multilevel) Monte Carlo Methods
Session Chair: Felix Lindner
4:30pm - 4:50pm

A simple approach to proving well-posedness and convergence rates for a broad class of McKean--Vlasov equations

H. A. Hoel1, A.-L. Haji-Ali2, R. Tempone1

1RWTH Aachen, Germany; 2Heriot-Watt University, Scotland

4:50pm - 5:30pm

MLMC method to estimate propagation of uncertainties in electromagnetic fields scattered from objects of uncertain shapes

A. Litvinenko1, A. Yucel2, H. Bagci3, R. Tempone1,3, J. Oppelstrup4, E. Michielssen5

1RWTH Aachen; 2Nanyang Technological University, Singapore; 3KAUST, Saudi Arabia; 4KTH Royal Institute of Technology, Stockholm; 5University of Michigan, US

5:30pm - 5:50pm

Importance sampling for a robust and efficient multilevel Monte Carlo estimator for stochastic reaction networks

C. Ben Hammouda1, N. Ben Rached2, R. Tempone1,2

1KAUST, Saudi Arabia; 2RWTH Aachen University, Germany

5:50pm - 6:10pm

Method of Green's potentials for elliptic PDEs in domains with random boundaries

V. Reshniak1, Y. Melnikov2

1Oak Ridge National Laboratory; 2Middle Tennessee State University

Date: Wednesday, 17/Mar/2021
8:30am - 9:30amS15.03: Stochastic Analysis and Processes
Session Chair: Andera Barth
8:30am - 8:50am

Strong convergence rates for space-time discrete numerical approximation schemes for stochastic Burgers equations

M. Hutzenthaler1, A. Jentzen2,4, F. Lindner3, P. Pusnik4

1University of Duisburg-Essen, Germany; 2University of Münster, Germany; 3University of Kassel, Germany; 4ETH Zürich, Switzerland

8:50am - 9:10am

Hyperbolic conservation laws with stochastic jump coefficient

L. Brencher, A. Barth

Universität Stuttgart, Germany

9:10am - 9:30am

Modeling of directional uncertainty using moments of the angular central Gaussian

F. Ospald, R. Herzog

TU Chemnitz, Germany

2:00pm - 4:00pmS15.04: Uncertain Problems
Session Chair: Haakon Andreas Hoel
2:00pm - 2:20pm

Tensor-Galerkin POD for Efficient Uncertainty Quantification in PDEs with Multivariate Random Parameters

P. Benner, J. Heiland

Max Planck Institute for Dynamics of Complex Technical Systems, Germany

2:20pm - 2:40pm

Efficient Computation of the Optimal Bounds on the Probability of Failure of a Sheet Metal Forming Process

N. Miska, D. Balzani

Ruhr-Universität Bochum, Germany

2:40pm - 3:00pm

Optimal sensor placement for thermo-elastic coupled machine models

A. Naumann, R. Herzog

TU Chemnitz, Germany

4:30pm - 6:30pmS15.05: Applications
Session Chair: Felix Lindner
4:30pm - 4:50pm

On the influence of surface roughness on friction-induced oscillations

L. J. Oestringer, C. Proppe

Karlsruhe Institute of Technology, Germany

4:50pm - 5:10pm

Design of a 3D composite structure considering data uncertainties and various failure mechanisms

M. Drieschner, Y. Petryna, L. Eichner

TU Berlin (Germany)

5:10pm - 5:30pm

Stochastic Variational Bayes Estimation for Multi-Site Daily Precipitation Data

R. Majumder1, N. K. Neerchal1,2, M. K. Gobbert1, A. Mehta3

1Department of Mathematics and Statistics, University of Maryland, Baltimore County; 2Vice Chancellor, Chinmaya Vishwavidyapeeth; 3Joint Center for Earth Systems Technology, UMBC

5:30pm - 5:50pm

Probability of Hitting the Target with an Imperfectly Manufactured Projectile

Z. Trzun1, M. Vrdoljak2

1Croatian Military Academy "Dr Franjo Tudman", Croatian Ministry of Defense; 2Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb

5:50pm - 6:10pm

The stochastic performance evolution analysis of long span steel arch bridge based on long-term time-varying reliability

M. Xiong

Department of Geotechnical Engineering, College of Civil Engineering, Tongji University, Shanghai 200092


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