基于第二粘性用局部微分求积法计算激波

赵勇; 宗智; 李章锐

doi:10.3879/j.issn.1000-0887.2011.03.009

基于第二粘性用局部微分求积法计算激波

doi: 10.3879/j.issn.1000-0887.2011.03.009

大连理工大学工业装备结构分析国家重点实验室,运载工程与力学学部船舶工程学院, 辽宁大连 116024

基金项目: 创新研究群体基金资助项目(50921001);国家973计划资助项目(2010CB832700)资助项目

详细信息

作者简介:
赵勇(1981- ),男,博士生(E-mail:fluid@mail.dlut.edu.cn);宗智(1964- )男,教授,博士(联系人.E-mail:zongzhi@dlut.edu.cn);李章锐(1985- ),男,博士生(E-mail:lizhangruix@yahoo.com.cn).

中图分类号: O357
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出版历程
- 收稿日期: 2010-05-18
- 修回日期: 2011-02-16
- 刊出日期: 2011-03-15

Shock Calculation Based on Second Viscosity Using Localized Differential Quadrature Method

School of Naval Architecture, Faculty of Vehicle Engineering and Mechanics, State Key Laboratory of Structural Analysis For Industrial Equipment, Dalian University of Technology, Dalian, Liaoning 116024, P. R. China

摘要

摘要: 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．
- 激波 /
- 第二粘性 /
- Stokes假定 /
- 局部微分求积法 /
- 人工粘性
Abstract: Based on the second viscosity,localized differential quadrature (LDQ) method was applied to solve shock tube problems.Firstly,the necessity was explained to consider the second viscosity to calculate shocks,then shock tubes based on the viscosity model were simulated,and finally,the roles of shear viscous stress and the second viscous stress were checked.The results show that the viscosity model combined with LDQ method can capture the main characters of shock and have the advantages of objectivity and simplicity.
- shock /
- second viscosity /
- Stokes’ assumption /
- LDQ /
- artificial viscosity

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参考文献(21)

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基于第二粘性用局部微分求积法计算激波

doi: 10.3879/j.issn.1000-0887.2011.03.009

作者简介:
赵勇(1981- ),男,博士生(E-mail:fluid@mail.dlut.edu.cn);宗智(1964- )男,教授,博士(联系人.E-mail:zongzhi@dlut.edu.cn);李章锐(1985- ),男,博士生(E-mail:lizhangruix@yahoo.com.cn).

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Shock Calculation Based on Second Viscosity Using Localized Differential Quadrature Method

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留言板

基于第二粘性用局部微分求积法计算激波

doi: 10.3879/j.issn.1000-0887.2011.03.009

作者简介: 赵勇(1981- ),男,博士生(E-mail:fluid@mail.dlut.edu.cn);宗智(1964- )男,教授,博士(联系人.E-mail:zongzhi@dlut.edu.cn);李章锐(1985- ),男,博士生(E-mail:lizhangruix@yahoo.com.cn).

计量

出版历程

Shock Calculation Based on Second Viscosity Using Localized Differential Quadrature Method

计量

出版历程

目录

作者简介:
赵勇(1981- ),男,博士生(E-mail:fluid@mail.dlut.edu.cn);宗智(1964- )男,教授,博士(联系人.E-mail:zongzhi@dlut.edu.cn);李章锐(1985- ),男,博士生(E-mail:lizhangruix@yahoo.com.cn).