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

In: Modeling, Simulation and Optimization of Complex Processes HPSC 2015

Author

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  • Thomas Wick

    (Technische Universität München, Fakultät für Mathematik, Lehrstuhl M17
    RICAM, Austrian Academy of Sciences)

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.

Suggested Citation

  • Thomas Wick, 2017. "Variational-Monolithic ALE Fluid-Structure Interaction: Comparison of Computational Cost and Mesh Regularity Using Different Mesh Motion Techniques," Springer Books, in: Hans Georg Bock & Hoang Xuan Phu & Rolf Rannacher & Johannes P. Schlöder (ed.), Modeling, Simulation and Optimization of Complex Processes HPSC 2015, pages 261-275, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-67168-0_21
    DOI: 10.1007/978-3-319-67168-0_21
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