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	Effects of differential scheme and mesh density on EHL film thickness in point contacts
	Liu, Yuchuan ; Wang, Q. Jane ; Wang, Wenzhong ; Hu, Yuanzhong ; Zhu, Dong
	2010-05-10 ; 2010-05-10
关键词	elastohydrodynamic lubrication thin-film EHL behavior numerical methods MIXED LUBRICATION Engineering, Mechanical
中文摘要	This paper investigates the effects of differential scheme and mesh density on elastohydrodynamic lubrication (EHL) film thickness based on a full numerical solution with a semi-system approach. The solution variation with different schemes and mesh sizes is revealed based on a set of numerical cases in a wide range of central film thickness from several hundred nanometers down to a few nanometers. It is observed that when the film is thick, the effects of differential schemes and mesh density are not significant. However, if the film becomes ultra-thin, e.g., below 10-20 nanometers, the influence of mesh density and differential schemes becomes more significant, and a proper dense mesh and differential scheme may be highly desirable. The present study also indicates that the solutions from the 1st-order backward scheme give the largest film thickness among all the solutions from different Schemes at the same mesh size.
语种	英语 ; 英语
出版者	ASME-AMER SOC MECHANICAL ENG ; NEW YORK ; THREE PARK AVE, NEW YORK, NY 10016-5990 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/25122]
专题	清华大学
推荐引用方式 GB/T 7714	Liu, Yuchuan,Wang, Q. Jane,Wang, Wenzhong,et al. Effects of differential scheme and mesh density on EHL film thickness in point contacts[J],2010, 2010.
APA	Liu, Yuchuan,Wang, Q. Jane,Wang, Wenzhong,Hu, Yuanzhong,&Zhu, Dong.(2010).Effects of differential scheme and mesh density on EHL film thickness in point contacts..
MLA	Liu, Yuchuan,et al."Effects of differential scheme and mesh density on EHL film thickness in point contacts".(2010).

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