认识稀薄气体动力学

IMECH-IR > 力学所知识产出(1956-2008)

	认识稀薄气体动力学
Alternative Title	Get acquainted with rarefied gas dynamics
	沈青
Source Publication	力学与实践
	2002-12-15
Volume	24 Issue:6 Pages:1-14
Abstract	以通俗易懂的方式介绍了空气动力学当气体间断分子效应显著时发展起来的特殊分支－－稀薄气体动力学。讨论了非平衡现象与稀薄气体动力学的。通过与8速度气体模型的间断Boltzmann方程的对比，解释了Boltzmann方程碰撞项的物理意义和数学困难，简要综述了其一般解法。讨论了分在物体表面的反射和问题的边界条件，着重介绍了直接模拟Monte Carlo (DSMC)方法和为克服低速稀薄流动（如MEMS中流动）中模拟困难的信息保存（IP）方法。
Keyword	稀薄气体动力学 Boltzmann方程 Dsmc方法低速稀薄流动 Ip方法
Indexed By	CSCD
Language	中文
CSCD ID	CSCD:1013457
Citation statistics	Cited Times:9[CSCD] [CSCD Record]
Document Type	期刊论文
Identifier	http://dspace.imech.ac.cn/handle/311007/40996
Collection	力学所知识产出(1956-2008)
Corresponding Author	沈青
Recommended Citation GB/T 7714	沈青. 认识稀薄气体动力学[J]. 力学与实践,2002,24,6,:1-14.
APA	沈青.(2002).认识稀薄气体动力学.力学与实践,24(6),1-14.
MLA	沈青."认识稀薄气体动力学".力学与实践 24.6(2002):1-14.

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