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http://dx.doi.org/10.5407/jksv.2020.18.3.035

Numerical simulation of deformable structure interaction with two-phase compressible flow using FVM-FEM coupling  

Moon, Jihoo (Mechanical Engineering, KAIST)
Kim, Daegyoum (Mechanical Engineering, KAIST)
Publication Information
Journal of the Korean Society of Visualization / v.18, no.3, 2020 , pp. 35-41 More about this Journal
Abstract
We conduct numerical simulations of the interaction of a deformable structure with two-phase compressible flow. The finite volume method (FVM) is used to simulate fluid phenomena including a shock wave, a gas bubble, and the deformation of free surface. The deformation of a floating structure is computed with the finite element method (FEM). The compressible two-phase volume of fluid (VOF) method is used for the generation and development of a cavitation bubble, and the immersed boundary method (IBM) is used to impose the effect of the structure on the fluid domain. The result of the simulation shows the generation of a shock wave, and the expansion of the bubble. Also, the deformation of the structure due to the hydrodynamic loading by the explosion is identified.
Keywords
Near-field Underwater Explosion; Fluid-structure Interaction; Multiphase Flow; Computational Flow Visualiation;
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