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Lagrange中心型守恒格式

葛全文

葛全文. Lagrange中心型守恒格式[J]. 应用数学和力学, 2012, 33(10): 1239-1256. doi: 10.3879/j.issn.1000-0887.2012.10.009
引用本文: 葛全文. Lagrange中心型守恒格式[J]. 应用数学和力学, 2012, 33(10): 1239-1256. doi: 10.3879/j.issn.1000-0887.2012.10.009
GE Quan-wen. Lagrangian Cell-Centered Conservative Scheme[J]. Applied Mathematics and Mechanics, 2012, 33(10): 1239-1256. doi: 10.3879/j.issn.1000-0887.2012.10.009
Citation: GE Quan-wen. Lagrangian Cell-Centered Conservative Scheme[J]. Applied Mathematics and Mechanics, 2012, 33(10): 1239-1256. doi: 10.3879/j.issn.1000-0887.2012.10.009

Lagrange中心型守恒格式

doi: 10.3879/j.issn.1000-0887.2012.10.009
基金项目: 国家自然科学基金资助项目(11172050)
详细信息
    通讯作者:

    葛全文(1960—),男,吉林人,副研究员,博士(Tel:+86-10-59872160;E-mail:ge-quanwen @iapcm.ac.cn).

  • 中图分类号: O241.82

Lagrangian Cell-Centered Conservative Scheme

  • 摘要: 提出了Lagrange中心型守恒气体动力学格式.引入了当前时刻子网格密度与当前时刻网格声速产生的网格分片常数压力.初始网格密度乘以初始子网格体积得到子网格质量,这些子网格质量除以当前时刻子网格体积得到当前时刻子网格密度.应用网格分片常数压力,构造了满足动量守恒、总能量守恒的Lagrange中心型守恒气体动力学格式,格点速度以与网格面的数值通量相容的方式计算.对Saltzman活塞问题等进行了数值模拟,数值结果显示Lagrange中心型守恒气体动力学格式的有效性和精确性.
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  • 被引次数: 0
出版历程
  • 收稿日期:  2011-08-29
  • 修回日期:  2012-05-02
  • 刊出日期:  2012-10-15

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