Explicit Time Marching Coupling Schemes for Fluid structure Interactions

Hoskoti, Lokanna and M S, Mahesh (2016) Explicit Time Marching Coupling Schemes for Fluid structure Interactions. In: 6th International Congress on Computational Mechanics and Simulation, 27 June - 1 July 2016, IIT Bombay, Powai, Maharashtra, India.

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Abstract

This paper presents the results of the investigation of various explicit time marching partitioned coupling schemes applied to the computational Fluid-Structure Interaction (FSI) problem. The analysis is applied to the 1-D piston problem with coupling between fluid and solid domain. Set of already existing explicit coupling schemes have been tested in the framework of compressible flow FSI computations. Two types of explicit schemes, the serial and parallel staggered scheme are considered. Among the serial staggered scheme, conventional serial staggered (CSS), improved serial staggered (ISS), generalized serial staggered (GSS) are presented. For parallel staggered scheme, results of conventional parallel staggered (CPS), improved parallel staggered (IPS) are presented in this paper. FSI coupling code developed in MATLAB is used for comparative study of different coupling schemes in terms of various factors such as stability, order of accuracy and computational costs.

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