A Dual-Support Smoothed Particle Hydrodynamics for Weakly Compressible Fluid Inspired By the Dual-Horizon Peridynamics

查看全文 作　　者：Huilong [1]Ren;Xiaoying [2,3]Zhuang;Timon [1]Rabczuk

机构地区：[1]Institute of Structural Mechanics,Bauhaus-Universitat Weimar,99423,Weimar,Germany;[2]Division of Computational Mechanics,Ton Duc Thang University,Ho Chi Minh City,Viet Nam;[3]Faculty of Civil Engineering,Ton Duc Thang University,Ho Chi Minh City,Viet Nam

出　　处：《Computer Modeling in Engineering & Sciences》索引2019年第11期,共31页

基　　金：The authors acknowledge the supports from the ERC-CoG(Computational Modeling and Design of Lithium-ion Batteries(COMBAT)),RISE-BESTOFRAC and National Science Foundation of China(51474157). 摘　　要：A dual-support smoothed particle hydrodynamics(DS-SPH)that allows variable smoothing lengths while satisfying the conservations of linear momentum,angular momentum and energy is developed.The present DS-SPH is inspired by the dual-support,a concept introduced from dual-horizon peridynamics from the authors and applied here to SPH so that the unbalanced interactions between the particles with different smoothing lengths can be correctly considered and computed.Conventionally,the SPH formulation employs either the influence domain or the support domain.The concept of dual-support identifies that the influence domain and the support domain involves the duality and should be simultaneously in the SPH formulation when variable smoothing lengths are used.The DS-SPH formulation can be implemented into conventional SPH codes with minimal changes and also without compromising the computational efficiency.A number of numerical examples involving weakly compressible.fluid are presented to demonstrate the capability of the method. 关键词：Dual-support conservation law variable smoothing length DUALITY SPH,dual-horizon peridynamics

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A Dual-Support Smoothed Particle Hydrodynamics for Weakly Compressible Fluid Inspired By the Dual-Horizon Peridynamics

参考文献(51)

引证文献(5)

耦合文献(7)

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