阐述了边界元法的基本原理及其在二维大地电磁测深正演中的实现过程，深入研究了边界单元和有限单元的耦合模拟方法，目的在于为二维大地电磁测深提供实用的、精确的、计算效益高的计算工具。理论研究及模型计算表明，这种耦合方法能够有效地模拟大地电磁场的变化规律。%This paper expounds the basic principles of the boundary elementmethod, describes how to apply the boundary element method to solve the forward problem of two-dimensional magnetotelluric sounding and studies the method of copying BEM with FEM, with the purposes of producing a more realistic analysis method, offering both accuracy and cost efficiency.Theoretical analysis and modeling example show that the method of coupling BEM with FEM is able to model effectively the variation of MT field.
展开▼
