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An SPH model for free surface flows with moving rigid objects
Liu MB(刘谋斌); Shao JR(邵家儒); Li HQ(李慧琦); Liu MB(刘谋斌)
Source PublicationINTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS
2014-03-30
Volume74Issue:9Pages:684-697
ISSN0271-2091
AbstractThis paper presents a computational model for free surface flows interacting with moving rigid bodies. The model is based on the SPH method, which is a popular meshfree, Lagrangian particle method and can naturally treat large flow deformation and moving features without any interface/surface capture or tracking algorithm. Fluid particles are used to model the free surface flows which are governed by Navier-Stokes equations, and solid particles are used to model the dynamic movement (translation and rotation) of moving rigid objects. The interaction of the neighboring fluid and solid particles renders the fluid-solid interaction and the non-slip solid boundary conditions. The SPH method is improved with corrections on the SPH kernel and kernel gradients, enhancement of solid boundary condition, and implementation of Reynolds-averaged Navier-Stokes turbulence model. Three numerical examples including the water exit of a cylinder, the sinking of a submerged cylinder and the complicated motion of an elliptical cylinder near free surface are provided. The obtained numerical results show good agreement with results from other sources and clearly demonstrate the effectiveness of the presented meshfree particle model in modeling free surface flows with moving objects
KeywordSmoothed Particle Hydrodynamics (Sph) Free Surface Flow Meshfree Particle Method Moving Rigid Objects Fluid-solid Interaction
Subject Area交叉与边缘领域的力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000330774100003
Funding OrganizationThis work has been supported by the National Natural Science Foundation of China (11172306, 11232012, 81271650, the New Century Excellent Talents in University (NCET-10-0041) and the 100 Talents Program of the Chinese Academy of Sciences.
DepartmentLMFS冲击与耦合效应(LHO)
ClassificationQ3
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48340
Collection流固耦合系统力学重点实验室
Corresponding AuthorLiu MB(刘谋斌)
Recommended Citation
GB/T 7714
Liu MB,Shao JR,Li HQ,et al. An SPH model for free surface flows with moving rigid objects[J]. INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS,2014,74(9):684-697.
APA Liu MB,Shao JR,Li HQ,&刘谋斌.(2014).An SPH model for free surface flows with moving rigid objects.INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS,74(9),684-697.
MLA Liu MB,et al."An SPH model for free surface flows with moving rigid objects".INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS 74.9(2014):684-697.
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