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地震 ›› 2013, Vol. 33 ›› Issue (4): 182-189.

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基于MPICH环境下的复杂重力异常体并行正演模拟

陈石1, 张健2   

  1. 1.中国地震局地球物理研究所, 北京 100081;
    2.中国科学院大学, 北京 100049
  • 收稿日期:2013-01-11 修回日期:2013-03-05 发布日期:2020-09-27
  • 作者简介:陈石(1980- ), 男, 辽宁台安人, 固体地球物理学博士, 副研究员, 主要从事重力位场方法和地球动力学等研究。
  • 基金资助:
    国家自然科学基金青年基金项目(41104046)和国家地震科技支撑计划项目(2012BAK19B01-05-02)联合资助

Parallel Forward Simulation of Gravity Anomaly for Complex Bodies Based on MPICH

CHEN Shi1, ZHANG Jian2   

  1. 1. Institute of Geophysics, CEA, Beijing 100081, China;
    2. University of CAS, Beijing 100049, China
  • Received:2013-01-11 Revised:2013-03-05 Published:2020-09-27

摘要: 任意多面体重力异常正演公式常用于解决复杂几何形态地质体的正演问题。 本文以均匀物性多面体重力异常正演公式为基础, 应用有限元技术中的网格离散化思想, 以任意四面体为基本单元, 通过并行计算技术在MPICH环境下实现了任意连续空间物性分布复杂异常体网格模型的重力异常正演模拟, 通过并行处理可以有效加速正演计算速度。 本文研究结果对于联合重力异常场正演建模和开展复杂模型网格的重力场计算有一定参考意义。

关键词: 重力异常正演, 复杂异常体, 并行计算, MPICH

Abstract: The forward formula of gravity anomaly for arbitrary polyhedron have been widely used to forward simulate complex geometrical geologic bodies. In this paper, we modeled the gravity anomaly of any complex continuous spatial bodies through parallel simulation in MPICH environment. Taking the tetrahedron as a unit, which is called the cell discretization in finite element method, we calculated the anomaly based on the forward formula of uniform polyhedron. The computing time of forward simulation has been reduced by the parallel procedure in our study.

Key words: Forward simulation of gravity anomaly, Complex body, Parallel computing, MPICH

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