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Three-Dimensional Magnetotelluric Modeling Including Surface TopographyNormal access

Authors: M.J. Nam, H.J. Kim, Y. Song, T.J. Lee and J.H. Suh
Event name: 67th EAGE Conference & Exhibition
Session: Mining and Geothermal + Soil Remediation and Waste Disposal
Publication date: 13 June 2005
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 2.31Mb )
Price: € 20

Summary:
P202 Three-Dimensional Magnetotelluric Modeling Including Surface Topography ABSTRACT 1 This paper presents a numerical algorithm to compute magnetotelluric responses to three-dimensional earth topography. The geometric flexibility offered by finite-element methods (FEM) makes them an attractive candidate for modeling complex geology. We formulate FEM using a single vector shape function at each edge. The edge FEM guarantees the continuity of the tangential electric field conserving the continuity of a magnetic flux. The modeling algorithm is verified by comparison with other numerical solutions and agreement with those is excellent for COMMEMI 3D-2 and ridge models. INTRODUCTION The three-dimensional (3D) magnetotelluric (MT) modeling


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