Variational-Monolithic ALE Fluid-Structure Interaction: Comparison of Computational Cost and Mesh Regularity Using Different Mesh Motion Techniques

Thomas Wick ()
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Thomas Wick: Technische Universität München, Fakultät für Mathematik, Lehrstuhl M17

A chapter in Modeling, Simulation and Optimization of Complex Processes HPSC 2015, 2017, pp 261-275 from Springer

Abstract: Abstract In this contribution, different mesh motion models for fluid-structure interaction (FSI) are revisited. The FSI problem is formulated by variational-monolithic coupling in the reference configuration employing the arbitrary-Lagrangian Eulerian (ALE) framework. The goal is to further analyze three different mesh motion models; namely nonlinear harmonic, nonlinear elastic, and linear biharmonic. The novelty in this contribution is a detailed computational analysis of the regularity of the ALE mapping and cost complexity for the nonstationary FSI-2 benchmark problem with large solid deformations.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-67168-0_21

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DOI: 10.1007/978-3-319-67168-0_21

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