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    构造应力场三维数值模拟的有限单元法

    田宜平 刘雄 李星 魏民

    田宜平, 刘雄, 李星, 魏民, 2011. 构造应力场三维数值模拟的有限单元法. 地球科学, 36(2): 375-380. doi: 10.3799/dqkx.2011.041
    引用本文: 田宜平, 刘雄, 李星, 魏民, 2011. 构造应力场三维数值模拟的有限单元法. 地球科学, 36(2): 375-380. doi: 10.3799/dqkx.2011.041
    TIAN Yi-ping, LIU Xiong, LI Xing, WEI Min, 2011. Finite Element Method of 3-D Numerical Simulation on Tectonic Stress Field. Earth Science, 36(2): 375-380. doi: 10.3799/dqkx.2011.041
    Citation: TIAN Yi-ping, LIU Xiong, LI Xing, WEI Min, 2011. Finite Element Method of 3-D Numerical Simulation on Tectonic Stress Field. Earth Science, 36(2): 375-380. doi: 10.3799/dqkx.2011.041

    构造应力场三维数值模拟的有限单元法

    doi: 10.3799/dqkx.2011.041
    基金项目: 

    国家科技重大专项"大型油气田及煤层气开发" 2008ZX05051

    详细信息
      作者简介:

      田宜平(1973-),男,副教授,主要从事盆地模拟和三维可视化图形软件研究与开发.E-mail: yptian@cug.edu.cn

    • 中图分类号: P628

    Finite Element Method of 3-D Numerical Simulation on Tectonic Stress Field

    • 摘要: 目前构造应力场的研究主要是基于平面的二维分析,随着油气成藏过程三维模拟的发展,应力场的三维数值模拟显得越来越重要.从三维空间角度出发,分析了应力场的有限元模拟与求解的整个过程.基于不规则六面体单元的角点网格数据模型,对有限元求解法进行了分析与研究并提出计算方法.基于不规则角点网格数据模型的三维构造应力场有限元计算方法是本文的创新点.最后用上述方法对东营凹陷的牛庄-王家岗区域三维应力场进行了实际模拟计算,计算结果相比于其他数据模型更符合实际情况.

       

    • 图  1  不规则六面体网格数据模型

      Fig.  1.  Data model with irregular hexahedron grid

      图  2  单个不规则六面体单元分析

      Fig.  2.  Analysis of single irregular hexahedron unit

      图  3  研究区域角点网格模型

      Fig.  3.  Irregular hexahedron grid of research area

      图  4  最大主应力俯视图(顶面)

      Fig.  4.  Overlook with major principal stress

      图  5  最大主应力侧视图

      Fig.  5.  Side-looking with major principal stress

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    出版历程
    • 收稿日期:  2010-09-29
    • 网络出版日期:  2021-11-10
    • 刊出日期:  2011-03-01

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