Finite Element Method for IP Modeling on 3-D Geoelectric Section
摘要
FEM is used to modeling IP sounding on 3-D geoelectric section. First, this paper presents the 3-D boundary value and variation equation of point-source electrical field on a 3-D structure. Then, the boundary condition for the infinite boundary is simplified to improve calculation speed and precision. On this basis, the partial derivatives matrix for the ratio between the apparent resistivity and the model resistivity parameters is calculated, and at the same time, the IP on 3-D geoelectric section is positively simulated. Compared with equivalent resistivity method, this simulation saves much calculation time. The test of several relative typical geoelectric models shows that this modeling method is correct and feasible.
引用本文（GB/T 7714）
Huang Jun-ge. Finite Element Method for IP Modeling on 3-D Geoelectric Section[J]. 未知来源, 2003.
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