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题名	pressure corrected sph for fluid animation
作者	Bao Kai ; Zhang Hui ; Zheng Lili ; Wu Enhua
答辩日期	2009
关键词	Smoothed Particle Hydrodynamics pressure correction fluid animation equation of state
出版地	THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
出版者	COMPUTER ANIMATION AND VIRTUAL WORLDS
英文摘要	We present a novel pressure correction scheme for the Smoothed Particle Hydrodynamics (SPH) for fluid animation. In the conventional SPH method, equations of state (EOS) are employed to relate the pressure to the particle density. To enforce the volume conservation, high speeds of sound are usually required, which leads to very small time steps and noisy pressure distribution. The problem remains one of the main reasons of numerical instability in SPH. In the paper, a new extra pressure correction scheme is proposed to transport the local pressure disturbance to the neighboring area and no solution of the Poisson equation is required. As a result, smoother pressure distribution and more efficient simulation are achieved. The proposed method has been used to simulate free surface problems. The results demonstrate the validation of the present SPH method. Surface tension and fluid fragmentation can be Well handled. Copyright (C) 2009 John Wiley & Sons, Ltd.
WOS记录号	WOS:000268110700024
语种	英语
公开日期	2011-03-20
资助信息	Comp Graph Soc
页码	311-320
出处	Computer Animation and Virtual Worlds
收录类别	SCI,ISTP,EI
内容类型	学位论文
源URL	[http://124.16.136.157/handle/311060/8186]
专题	软件研究所_计算机科学国家重点实验室 _学位论文
推荐引用方式 GB/T 7714	Bao Kai,Zhang Hui,Zheng Lili,et al. pressure corrected sph for fluid animation[D]. 2009.

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