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有限元法求解各向异性介质中大地电磁场边值问题研究 The Finite Element Method for Solving Magnetotelluric Field Boundary-Value Problem on Anisotropy Media

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Author(s): 石宇 | 罗天涯 | 熊彬 | 李长伟 | 杨红 | 黄业中

Journal: Advances in Geosciences
ISSN 2163-3967

Volume: 02;
Issue: 04;
Start page: 246;
Date: 2012;
Original page

Keywords: 大地电磁 | 有限单元法 | 各向异性介质 | 正演 | Magnetotellurics | FEM | Anisotropy Medium | Forward Modeling

ABSTRACT
在吸收前人工作基础上,文中给出了二维各向异性介质中大地电磁场的变分问题以及有限单元法数值解,并计算了视电阻率,由其随频率的变化规律讨论电磁场的变化特征。  Based on absorption of previous work, this paper firstly derives the variational problem of magnetotelluric in 2-D anisotropic media and provides the numerical solution calculated by finite element method, then computes apparent resistivity. At last, discusses the characteristics of magnetotelluric field varying with frequency.
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