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	Some improvements on free surface simulation by the particle finite element method
	Tang, B. ; Li, J. F. ; Wang, T. S.
	2010-10-12 ; 2010-10-12
关键词	free surface particle finite element method adaptive time method mass correction pressure oscillations least-square finite element method NEIGHBOR GALERKIN METHODS INCOMPRESSIBLE FLOWS CALCULUS DYNAMICS SET Computer Science, Interdisciplinary Applications Mathematics, Interdisciplinary Applications Mechanics Physics, Fluids & Plasmas
中文摘要	The Lagrangian method has become increasingly popular in numerical simulation of free surface problems. In this paper, after a brief review of a recent Lagrangian method, namely the particle finite element method, some issues are discussed and some improvements are made. The least-square finite element method is adopted to simplify the solving of the Navier-Stokes equations. An adaptive time method is derived to obtain suitable time steps. A mass correction procedure is imported to improve the mass conservation in long time calculations and time discretization scheme is adopted to decrease the pressure oscillations during the calculations. Finally, the method is used to simulate a series of examples and the results are compared with the commercial FLOW3D code. Copyright (C) 2008 John Wiley & Sons, Ltd.
语种	英语 ; 英语
出版者	JOHN WILEY & SONS LTD ; CHICHESTER ; THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78912]
专题	清华大学
推荐引用方式 GB/T 7714	Tang, B.,Li, J. F.,Wang, T. S.. Some improvements on free surface simulation by the particle finite element method[J],2010, 2010.
APA	Tang, B.,Li, J. F.,&Wang, T. S..(2010).Some improvements on free surface simulation by the particle finite element method..
MLA	Tang, B.,et al."Some improvements on free surface simulation by the particle finite element method".(2010).

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