2D FINITE ELEMENT MODELING FOR TIME DOMAIN MARINE CSEM RESPONSES

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• 作者：Cai JiLi Yuguo
• 会议时间：2013-10-14
• 作者单位：Submarine Science and Technology Laboratory,Ocean University of China 238 Song Ling Road,Qing Dao 266100
• 母体文献：第十一届中国国际地球电磁学术讨论会论文集
• 会议名称：第十一届中国国际地球电磁学术讨论会
• 会议地点：乌鲁木齐
• 主办单位：中国地球物理学会
• 语种：chi

摘要

We present a 2D adaptive finite element algorithm for time domain marine controlled-source electromagnetic (C4SEM) forward problem.The algorithm is implemented on an unstructured triangular mesh.We verified the finite element (FE) code using a layered 1D model.The FE results are compared with the analytic solutions and the agreement is very well.With the use of the FE code, we study the time domain CSEM responses of offshore hydrocarbon models.In this paper, we report some preliminary results.