BMBF-Project

ExtremSimOpt: Modeling, Simulation, and Optimization of Flux in Extreme Conditions

Project leaders
Dr. Dominik Meidner, Technische Universität München, Germany
Prof. Dr. Thomas Richter Pfeil, Universität Erlangen-Nürnberg, Germany
Prof. Dr. Stefan Turek Pfeil, Technische Universität Dortmund, Germany
Prof. Dr. Boris Vexler, Technische Universität München, Germany

Project staff
Lukas Failer, M. Sc., Technische Universität München, Germany
Dr. Mudassar Razzaq Pfeil, Technische Universität Dortmund, Germany
Dipl.-Math. Ina Schüssler Pfeil, Universität Erlangen-Nürnberg, Germany

Project partner
Rockwell Collins Deutschland (RCD) Pfeil
P+Z Engineering Pfeil

Project description
In this project, research groups of the University Heidelberg, Dortmund and Munich aim to develop efficient numerical methods to model, simulate and optimize multyphysik-problems in extreme conditions. A prototypical example occurs in ball bearings in satellites developed at Rockwell Collins Deutschland (RCD). Similar problems have to be analyzed in heat exchangers which are developed at the project partner P+Z Engineering for automobiles. In both examples models for thermal fluid-structure interaction have to be used. The regarded systems are very complex due to the coupling of several physical models on the one side and on the other side because of extreme parameters and nonlinear material laws. To extrude suitable parameters from experimental data a suitable parameter estimation problem has to be solved.

Key words
fluid-strukture interaction, optimal control, ball bearings

Field of work
Applied Mathematics, Numerical Mathematics und inverse problems

Publications

Lukas Failer, Thomas Wick:
Adaptive Time-Step Control for Nonlinear Fluid-Structure Interaction
submitted, 2017.
Lukas Failer, Dominik Meidner, Boris Vexler:
Optimal Control of a Linear Unsteady Fluid-Structure Interaction Problem
Journal of Optimization Theory and Applications, 170(1), pp. 1-27, 2016. (doi:10.1007/s10957-016-0930-1)

Damanik, H.; Ouazzi, A.; Turek, S.:
Numerical simulation of polymer film stretching Pfeil
Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 485, Fakultät für Mathematik, TU Dortmund, 485, 2013

Conferences
International Symposium on Simulation and Optimization of Extreme Fluids Pfeil, Internationales Wissenschaftsforum (IWH) in Heidelberg from November 10 to November 12, 2014.
Winter School on Simulation and Optimization of Extreme Fluids Pfeil ,Interdisciplinary Center for Scientific Computing (IWR) in Heidelberg from November 13 to November 14, 2014.

Software
Gascoigne, RoDoBo
 
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