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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 102
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Paper 200

Modeling of Fluid-Structure Interaction Problems with a Free Surface using a Particle-Based Method

R.A. Amaro Junior and L.Y. Cheng

Department of Construction Engineering, Polytechnic School
University of São Paulo, Brazil

Full Bibliographic Reference for this paper
R.A. Amaro Junior, L.Y. Cheng, "Modeling of Fluid-Structure Interaction Problems with a Free Surface using a Particle-Based Method", in , (Editors), "Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 200, 2013. doi:10.4203/ccp.102.200
Keywords: fluid-structure interaction, elastic solid, particle method, moving particle simulation, hydro-elasticity.

The fluid-structure interaction (FSI) is a complex phenomenon recurrent in many engineering applications and analytical solutions are available only for a restricted range of cases. Therefore, numerical methods, such as mesh-based methods, have been proposed to analyze a wide range of FSI problems. However, when the problems involve free surface, fragmentation, merging or large deformation, free surface tracking or remeshing process are generally required, increasing the computational cost. As a result of their easy implementation and flexibility, the meshless methods have attracted much attention in recent years. Within this context, in the present paper a partitioned coupling between fluid and isotropic elastic solid is proposed to simulate the FSI problem involving a free surface and large deformations. The numerical approach is based on the moving particle simulation method. It is a meshless method used to model both fluid and elastic solid, and all the computational domain is discretized with Lagrangian particles. Quantitative comparisons with available numerical results of a dam breaking on an elastic plate and available experimental measurements of a collapsing column of water on an elastic plate are performed.

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