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基于三维CFD-DEM的多孔介质流场数值模拟

任石磊 韩飞鹏 谢斌 黄波 郝鹏飞

任石磊, 韩飞鹏, 谢斌, 黄波, 郝鹏飞. 基于三维CFD-DEM的多孔介质流场数值模拟[J]. 应用数学和力学, 2017, 38(10): 1093-1102. doi: 10.21656/1000-0887.370326
引用本文: 任石磊, 韩飞鹏, 谢斌, 黄波, 郝鹏飞. 基于三维CFD-DEM的多孔介质流场数值模拟[J]. 应用数学和力学, 2017, 38(10): 1093-1102. doi: 10.21656/1000-0887.370326
REN Shi-lei, HAN Fei-peng, XIE Bin, HUANG Bo, HAO Peng-fei. Numerical Simulation of Flow Fields in Porous Media Based on the 3D CFD-DEM[J]. Applied Mathematics and Mechanics, 2017, 38(10): 1093-1102. doi: 10.21656/1000-0887.370326
Citation: REN Shi-lei, HAN Fei-peng, XIE Bin, HUANG Bo, HAO Peng-fei. Numerical Simulation of Flow Fields in Porous Media Based on the 3D CFD-DEM[J]. Applied Mathematics and Mechanics, 2017, 38(10): 1093-1102. doi: 10.21656/1000-0887.370326

基于三维CFD-DEM的多孔介质流场数值模拟

doi: 10.21656/1000-0887.370326
基金项目: 国家重点基础研究发展计划(973计划)(2014CB046506;2014CB046803); 国家自然科学基金(11372061;11402049;11602076)
详细信息
    作者简介:

    任石磊(1992—),男,苗族,硕士(E-mail: xmsun@tsinghua.edu.cn);郝鹏飞(1970—),男,副教授,博士(通讯作者. E-mail: haopf@tsinghua.edu.cn).

  • 中图分类号: O357.3

Numerical Simulation of Flow Fields in Porous Media Based on the 3D CFD-DEM

Funds: The National Basic Research Program of China (973 Program)(2014CB046506;2014CB046803);The National Natural Science Foundation of China(11372061;11402049;11602076)
  • 摘要: 将多孔介质局部细观流动与基于Darcy定律的宏观物理模型相结合,应用三维CFD-DEM对多孔介质流场进行局部细观数值模拟,得到多孔介质的惯性阻力系数和粘性阻力系数.并将其作为参数提供给基于Darcy定律的CFD多孔介质模型,从而可用于更大规模的多孔介质流场计算.应用Voronoi多面体作为网格单元,解决了CFDDEM中网格孔隙率精确计算的困难.文中发展的多尺度结合应用的研究方法,在计算精度和计算效率的矛盾中找到了较好的平衡,对于工程应用而言,有节约实验成本、提高计算结果可靠性的功效.
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出版历程
  • 收稿日期:  2016-10-24
  • 修回日期:  2017-09-04
  • 刊出日期:  2017-10-15

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