IMECH-IR  > 流固耦合系统力学重点实验室
Numerical modeling of dam-break flow impacting on flexible structures using an improved SPH-EBG method
Yang XF(杨秀峰); Liu MB(刘谋斌); Peng SL(彭世镠); Huang CG(黄晨光); Yang, XF (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
Source PublicationCOASTAL ENGINEERING
2016-02
Volume108Pages:56-64
ISSN0378-3839
Abstract

An improved coupling method of smoothed particle hydrodynamics (SPH) and element bending group (EBG) is developed for modeling the interaction of viscous flows with free surface and flexible structures with free and fixed ends. SPH and EBG are both particle methods which are appealing in modeling problems with free surfaces, moving interfaces and large deformations. SPH is used to model viscous fluid, while EBG is used to model flexible structure. Structure particles are also used as moving boundary for SPH, and the interaction of flexible structure with fluid is therefore modeled through the interaction of structure particles and fluid particles. A fixed -end treatment is introduced for flexible structures. A free surface treatment and a surface tension model are used for free surface flow. The improved SPH-EBG method is applied to simulate problems of dam break flow on flexible structures. The good agreement of presented numerical results with existing experimental and numerical results clearly demonstrates the effectiveness of the SPH and EBG coupling approach in modeling fluid -flexible structure interactions. (C) 2015 Elsevier B.V. All rights reserved.

KeywordFluid-structure Interaction Flexible Structure Numerical Modeling Smoothed Particle Hydrodynamics Element Boundary Group
DOI10.1016/j.coastaleng.2015.11.007
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000369463400005
WOS KeywordWAVES ; WEDGE ; SIMULATION ; SURFACES ; SHOCK
WOS Research AreaEngineering
WOS SubjectEngineering, Civil ; Engineering, Ocean
Funding OrganizationThis work was supported by the National Natural Science Foundation of China (Grant No. 11302237 and No. 11172306) and NSAF (Grant No. U1530110).
DepartmentLHD可压缩湍流 ; LMFS冲击与耦合效应(LHO)
Classification一类
RankingTrue
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58681
Collection流固耦合系统力学重点实验室
高温气体动力学国家重点实验室
Corresponding AuthorYang, XF (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yang XF,Liu MB,Peng SL,et al. Numerical modeling of dam-break flow impacting on flexible structures using an improved SPH-EBG method[J]. COASTAL ENGINEERING,2016,108:56-64.
APA Yang XF,Liu MB,Peng SL,Huang CG,&Yang, XF .(2016).Numerical modeling of dam-break flow impacting on flexible structures using an improved SPH-EBG method.COASTAL ENGINEERING,108,56-64.
MLA Yang XF,et al."Numerical modeling of dam-break flow impacting on flexible structures using an improved SPH-EBG method".COASTAL ENGINEERING 108(2016):56-64.
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