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多介质大变形流动的MOF-MMALE数值模拟研究

曾清红 孙文俊

曾清红, 孙文俊. 多介质大变形流动的MOF-MMALE数值模拟研究[J]. 应用数学和力学, 2014, 35(10): 1163-1176. doi: 10.3879/j.issn.1000-0887.2014.10.011
引用本文: 曾清红, 孙文俊. 多介质大变形流动的MOF-MMALE数值模拟研究[J]. 应用数学和力学, 2014, 35(10): 1163-1176. doi: 10.3879/j.issn.1000-0887.2014.10.011
ZENG Qing-hong, SUN Wen-jun. MOF-MMALE Numerical Simulation of Multi-Material Large Deformation Flow Problems[J]. Applied Mathematics and Mechanics, 2014, 35(10): 1163-1176. doi: 10.3879/j.issn.1000-0887.2014.10.011
Citation: ZENG Qing-hong, SUN Wen-jun. MOF-MMALE Numerical Simulation of Multi-Material Large Deformation Flow Problems[J]. Applied Mathematics and Mechanics, 2014, 35(10): 1163-1176. doi: 10.3879/j.issn.1000-0887.2014.10.011

多介质大变形流动的MOF-MMALE数值模拟研究

doi: 10.3879/j.issn.1000-0887.2014.10.011
基金项目: 国家自然科学基金(11001026;11371068);国家高技术研究发展计划(863计划)(2012AA01A303)
详细信息
    作者简介:

    曾清红(1978—),男,湖南长沙人,副研究员,博士(Tel: +86-10-59711494; E-mail: zeng_qinghong@iapcm.ac.cn);孙文俊(1974—),男,河南南阳人,副研究员,博士(通讯作者. Tel: +86-10-59872185;E-mail: sun_wenjun@iapcm.ac.cn).

  • 中图分类号: O242

MOF-MMALE Numerical Simulation of Multi-Material Large Deformation Flow Problems

Funds: The National Natural Science Foundation of China(11001026;11371068);The National High-tech R&D Program of China (863 Program)(2012AA01A303)
  • 摘要: 多介质大变形流动数值模拟的关键和难点是在精确追踪物质界面的同时又能够处理好流体的大变形运动.将MOF(moment-of-fluid)界面重构算法与多介质任意Lagrange-Euler方法(MMALE)相耦合,形成MOFMMALE方法,并应用于多介质大变形流动问题的数值模拟研究.MOF-MMALE方法在传统的ALE方法基础上,允许计算网格边界跨过物质界面,允许存在混合网格,即一个网格内可以存在两种或两种以上物质;在混合网格内,利用MOF界面重构算法来确定物质界面的位置和方向.数值算例表明,MOF-MMALE方法是模拟多介质大变形流动的有效手段,并且具有较好的数值精度和界面分辨率.
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出版历程
  • 收稿日期:  2013-10-28
  • 修回日期:  2014-02-24
  • 刊出日期:  2014-10-15

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