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On Boundary Conditions for CSEM Finite Element Modeling, I

J. Park[1], T. Bjornara[1], H. Westerdahl[2], and E. Gonzalez[2]
[1]Norwegian Geotechnical Institute (NGI), Oslo, Norway
[2]StatoilHydro Research Center, Norway
发布日期 2008

In this study, we propose an absorbing boundary domain (or condition), which is really simple but still efficient for the 2.5D finite element (FE) analysis. The main application is to simulate the electromagnetic (EM) waves related to the marine controlled source electromagnetic (CSEM) method, where the EM wave propagates with extremely low frequency in the conductive media. In the near future, we will extend this paper to evaluate the simple boundary domain in comparison with other, more advanced, absorbing boundary domains or conditions that we have experienced.

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