Parallel Aspects of Fluid-structure Interaction

This paper presents several parallelization aspects of Fluid-Structure Interaction (FSI) problems in computational mechanics when using an Arbitrary Lagrangian-Eulerian (ALE) scheme. The physical domain of the coupled problem is then solved on two different zones: a first zone for the fluid dynamics and the fluid mesh deformation and a second one for the solid mechanics. The idea can be further extended by adding more Physics to the coupled system, such as heat transport (for fluid and solid) or excitable media, among many others. In this paper, the basic two premises are that all problems can already be solved individually in parallel with good scalability and that the coupled system is solved in a coupled way within the same code. The paper introduces the formulation, presents some parallelization issues and proposes how to attack them, presents some results and discuss them and draws some future lines.