FEM Using Adaptive Topography in 2-D MT Forward Modeling

被引:0
|
作者
Liu Yun and Wang Xuben State Key Laboratary of Oil and Gas Reservoir Geology and Exploitation
机构
基金
国家高技术研究发展计划(863计划);
关键词
MT; Adaptive Topography; Quadrangle Grid; FEM;
D O I
暂无
中图分类号
P315 [地震学];
学科分类号
070801 ;
摘要
Complex terrain causes great MT noise.This paper puts forward a FEM model method using adaptive topography and quadratic elements based on studies by previous researchers.This method can model all kinds of complicated terrain and geoelectric bodies preferably.The numeric modeling,calculation of the auxiliary field and definition of resistivity are deduced by electromagnetic equations.Lastly,several examples are presented,which show the method is rapid,effective and has highly accurate.
引用
收藏
页码:148 / 157
页数:10
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