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Subject: Computer Science
Title:
a particle-based method for granular flow simulation
Author: Chang YuanZhang ; Bao Kai ; Zhu Jian ; Wu EnHua
Keyword: granular materials ; sand ; smoothed particle hydrodynamics ; SPH ; Hooke's law ; animation ; simulation
Source: SCIENCE CHINA-INFORMATION SCIENCES
Issued Date: 2012
Volume: 55, Issue:5, Pages:1062-1072
Indexed Type: SCI
Department: Chang YuanZhang; Zhu Jian; Wu EnHua Univ Macau Dept Comp & Informat Sci Taipa Peoples R China. Bao Kai; Wu EnHua Chinese Acad Sci Inst Software State Key Lab Comp Sci Beijing 100190 Peoples R China. Bao Kai KAUST Div Math & Comp Sci & Engn Thuwal Saudi Arabia.
Sponsorship: National Natural Science Foundation of China 60773030, 60833007; University of Macau
Abstract: We present a new particle-based method for granular flow simulation. In the method, a new elastic stress term, which is derived from a modified form of the Hooke's law, is included in the momentum governing equation to handle the friction of granular materials. Viscosity force is also added to simulate the dynamic friction for the purpose of smoothing the velocity field and further maintaining the simulation stability. Benefiting from the Lagrangian nature of the SPH method, large flow deformation can be well handled easily and naturally. In addition, a signed distance field is also employed to enforce the solid boundary condition. The experimental results show that the proposed method is effective and efficient for handling the flow of granular materials, and different kinds of granular behaviors can be well simulated by adjusting just one parameter.
English Abstract: We present a new particle-based method for granular flow simulation. In the method, a new elastic stress term, which is derived from a modified form of the Hooke's law, is included in the momentum governing equation to handle the friction of granular materials. Viscosity force is also added to simulate the dynamic friction for the purpose of smoothing the velocity field and further maintaining the simulation stability. Benefiting from the Lagrangian nature of the SPH method, large flow deformation can be well handled easily and naturally. In addition, a signed distance field is also employed to enforce the solid boundary condition. The experimental results show that the proposed method is effective and efficient for handling the flow of granular materials, and different kinds of granular behaviors can be well simulated by adjusting just one parameter.
Language: 英语
WOS ID: WOS:000303426100008
Citation statistics:
Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/15082
Appears in Collections:软件所图书馆_期刊论文

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Recommended Citation:
Chang YuanZhang,Bao Kai,Zhu Jian,et al. a particle-based method for granular flow simulation[J]. SCIENCE CHINA-INFORMATION SCIENCES,2012-01-01,55(5):1062-1072.
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