No. 2018.09
Fluid-structure coupling of a linear elastic model with a compressible flow model with multilevel timestepping
M. Herty, S. Müller, and A. Sikstel
Subject: Fluid-structure interaction, coupling conditions, linear elastic model, compressible flow

Abstract

Modeling of cavitation phenomena requires the coupling of models for fluid and solid materials. For this purpose we employ a strategy based on the solution of coupled Riemann problems that has been originally developed for the coupling of two fluids. The coupling strategy has been established and validated in [1]. In this work we include a timestepping algorithm which allows for different timesteps in fluid and solid solvers. Furthermore, we perform numerical experiments simulating the interface between a plastic or steel structure and air.

Reference

Proceedings
6th European Conference on Computational Mechanics
7th European Conference on Computational Fluid Mechanics
Glasgow, 11-15 June 2018
p. 3049-3059
ISBN 978-84-947311-6-7