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用边界元法计算点源二维地电体ρs与ηs

COMPUTATION FOR THE APPARENT RESISTIVITIES AND POLARIZABILITIES OF THE 2-D GEOELECTRICAL BODY IN THE POINT SOURCE FIELD BY BEM

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【作者】 黄兰珍田宪谟寸树苍

【Author】 Huang Lanzhen, Tian Xianmo and Can Shucang (Chendu College of Geology)

【机构】 成都地质学院成都地质学院

【摘要】 边界元法是一种新的微分方程数值解法.本文讨论了用该法求解点电源场中任意起伏地形下二维地电体位场问题的方法原理和数值处理技术,并给出了不同的地电体视电阻率与视极化率的计算结果相应用实例. 结果表明:边界元法是求解电法勘探边值问题和资料处理的一种经济有效的数值计算方法.

【Abstract】 The Boundary Element Method(BEM) is a new method of numerical calculation of differential equation. In this paper, the basic principle and processing technology solving potential field problems of the 2—D geoelectrical bodies with topographic effects in the point source field are discussed. The results of calculating apparent resistivities and polarizabilities for different geoelectrical bodies and applied examples are also given. The results show that BEM is an economical and efficient numerical method to solve boundary-value problems and to process data of electrical prospecting.

  • 【文献出处】 物探化探计算技术 ,Computing Techniques for Geophysical and Geochemical Exploration , 编辑部邮箱 ,1988年01期
  • 【被引频次】5
  • 【下载频次】42
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