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《船舶与海洋工程学报(英文版)》 2008-03
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Numerical simulation of viscous liquid sloshing by moving-particle semi-implicit method

PAN Xu-jie ZHANG Huai-xin LU Yun-tao School of Naval Architecture,Ocean and Civil Engineering,Shanghai Jiaotong University,Shanghai 200030,China  
A meshless numerical simulation method,the moving-particle semi-implicit method(MPS)is presented in this paper to study the sloshing phenomenon in ocean and naval engineering.As a meshless method,MPS uses particles to replace the mesh in traditional methods,the governing equations are discretized by virtue of the relationship of particles,and the Poisson equation of pressure is solved by incomplete Cholesky conjugate gradient method(ICCG),the free surface is tracked by the change of numerical density.A numerical experiment of viscous liquid sloshing tank was presented and compared with the result got by the difference method with the VOF,and an additional modification step was added to make the simulation more stable.The results show that the MPS method is suitable for the simulation of viscous liquid sloshing,with the advantage in arranging the particles easily,especially on some complex curved surface.
【Fund】: the National Natural Science Foundation under Grant No.50579035
【CateGory Index】: O357.1
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