A New Fluid-Structure Interaction Solver in OpenFOAM
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Abstract
In this article, we introduce a new numerical solver for the Fluid-Structure Interaction problem. The solver is developed using Immersed Boundary Method (IBM) integrated into OpenFOAM environment. The velocity-pressure coupling is implemented via modifying the PISO algorithm of OpenFOAM. The solver can solve for the interaction of multiple structures in fluid flow. The collision of structures is simulated using an elastic repulsive force model. A parallel algorithm is developed to make the solver able to run on parallel computer system, structures can move from a partition to another partition. The solver was validated and applied in solving the real problem.
Keywords
Immersed boundary method, Fluid-Structure interaction, IBMFoam, particulated flow
Article Details
References
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[4] D. Wan, S. Turek; An efficient multigrid-FEM method for the simulation of solid-liquid twophase flows; Journal of Computational and Applied Mathematics, 2005.
[5] Z. Wang et al; Combined multi-direct forcing and immersed boundary method for simulating flows with moving particles; International Journal of Multiphase Flow 34, 2008, 283-302.
[6] X. Wang, J. Zhou, I. Papautsky; Vortex-aided inertial microfluidic device for continuous particle separation with high size-selectivity, efficiency and purity; Biomicrofluidics 7, 044119, 2013.