On the computation of the electrical potential inside a horizontally-layered half-space

被引：0

作者：

Maineult, Alexis ^{[1
,2
]}

Schott, Jean-Jacques ^{[3
]}

机构：

[1] CNRS, Inst Phys Globe Sorbonne Paris Cite, F-75005 Paris, France

[2] Univ Paris Diderot, F-75005 Paris, France

[3] Univ Strasbourg, Inst Phys Globe, EOST, F-67000 Strasbourg, France

来源：

GEOPHYSICAL PROSPECTING | 2012年 / 60卷 / 01期

关键词：

Electrical potential; Geoelectrical methods; Layered earth; Resistivity modelling; BOUNDARY-ELEMENT METHOD; CONJUGATE-GRADIENT METHOD; FAST HANKEL TRANSFORM; DC RESISTIVITY; FINITE-ELEMENT; INVERSION; 2D; ALGORITHM; FILTERS; EARTH;

D O I：

10.1111/j.1365-2478.2011.00948.x

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

A new formulation is proposed for the electrical potential developed inside a horizontally-layered half-space for a direct current point-source at the surface. The recursion formula for the kernel coefficient in the potential integral is simpler than the generally used two-coefficient recursion. The numerical difficulties that may occur during the computation of the integrals and near the source axis are examined and solutions are proposed. The set of equations permits a stable and accurate computation of the tabular potential everywhere in the medium.

引用

页码：153 / 160

页数：8

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