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守恒律方程的导数人工压缩法

董海涛 刘福军 韩冲

董海涛, 刘福军, 韩冲等 . 守恒律方程的导数人工压缩法[J]. 北京航空航天大学学报, 2012, (7): 966-970.
引用本文: 董海涛, 刘福军, 韩冲等 . 守恒律方程的导数人工压缩法[J]. 北京航空航天大学学报, 2012, (7): 966-970.
Dong Haitao, Liu Fujun, Han Chonget al. Derivative artificial compression method of conservation laws[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (7): 966-970. (in Chinese)
Citation: Dong Haitao, Liu Fujun, Han Chonget al. Derivative artificial compression method of conservation laws[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (7): 966-970. (in Chinese)

守恒律方程的导数人工压缩法

基金项目: 国家重大基础研究发展计划(973计划)资助项目; "大型风力机的空气动力学基础研究"(2007CB714600)
详细信息
  • 中图分类号: O35

Derivative artificial compression method of conservation laws

  • 摘要: 将高分辨率差分格式用于守恒律方程的导数方程,可以克服传统高分辨率格式在极值点精度退化的缺点,类似于Harten的人工压缩法,新方法称为导数人工压缩法.本方法既能提高间断的分辨率,又能提高极值点处的分辨率,是一种高分辨率低耗散低扩散格式.用单个守恒律方程带间断和多极值的初值问题和一维激波管问题进行了验证,比较了Harten-TVD,人工压缩,导数人工压缩方法的在间断和极值点的分辨率问题.

     

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出版历程
  • 收稿日期:  2011-05-17
  • 网络出版日期:  2012-07-30

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