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基于第二粘性用局部微分求积法计算激波

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Indexed by:期刊论文

Date of Publication:2011-03-15

Journal:应用数学和力学

Included Journals:PKU、ISTIC、CSCD

Volume:32

Issue:3

Page Number:333-343

ISSN No.:1000-0887

Key Words:激波;第二枯性;Stokes假定;局部微分求积法;人工粘性

Abstract:考虑第二粘性效应,采用局部微分求积法数值求解激波问题.首先解释了在激波计算时,有必要考虑第二粘性,然后基于粘性模型,对一维和二维激波进行了数值模拟,还分别考察了剪切粘性力和第二粘性力对数值结果的影响.结果表明,采用粘性模型加上局部微分求积法能够模拟出激波特征,具有客观、简单的优点.

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