Coupling of SPH with smoothed point interpolation method for violent fluid-structure interaction problems

被引：38
作者：
Zhang, Guiyong [1 ,2 ,3 ]
Wang, Shuangqiang [1 ]
Sui, Zhixiang [4 ]
Sun, Lei [1 ,3 ]
Zhang, Zhiqian [5 ]
Zong, Zhi [1 ,2 ,3 ]
机构：
[1] Dalian Univ Technol, Liaoning Engn Lab Deep Sea Floating Struct, Sch Naval Architecture Engn, Dalian 116024, Peoples R China
[2] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China
[3] Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Shanghai 200240, Peoples R China
[4] China Ship Dev & Design Ctr, Shanghai 201108, Peoples R China
[5] ASTAR, Inst High Performance Comp, Singapore 117576, Singapore
来源：
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS | 2019年 / 103卷
基金：
中国国家自然科学基金;
关键词：
SPH; Smoothed point interpolation method; Fluid-structure interaction; Free surface flow; FINITE PARTICLE METHOD; INCOMPRESSIBLE FLOWS; NUMERICAL-SIMULATION; ELEMENT-METHOD; HYDRODYNAMICS; MODEL; FORMULATION;
D O I：
10.1016/j.enganabound.2019.02.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A two dimensional fluid-structure interaction (FSI) model has been proposed by coupling SPH with smoothed point interpolation method (S-PIM). SPH is a Lagrangian particle method, which has been frequently used to simulate the incompressible viscous fluid with free surface flow. The newly developed S-PIM has been used to deal with motion and deformation of nonlinear solids. And the softened model stiffness in S-PIM enhances the performance of mesh distortion insensitivity for large deformation. The coupled SPH with S-PIM has been achieved by introducing the ghost particles, which can prevent the fluid particles penetrating into the interface and construct intact support domain for particles around the interface. Numerical examples have validated the reliability and efficiency of the proposed method for FSI problems.
引用
收藏
页码：1 / 10
页数：10
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