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|Title:||Multi-order vector finite element modeling of 3D magnetotelluric data including complex geometry and anisotropy|
|Author:||Rivera Rios, A.M.|
|Citation:||Earth, Planets and Space, 2019; 71(1):92-1-92-25|
|Aixa M. Rivera‑Rios, Bing Zhou, Graham Heinson and Lars Krieger|
|Abstract:||We introduce MoVFEM, a computational algorithm for the modeling of three-dimensional magnetotelluric (MT) data using a vector finite element method of specific order from multiple elements’ orders. Our algorithm allows complex geometries, topography, and anisotropic resistivity structures. The software calculates secondary electric and magnetic fields for a plane-wave primary magnetic field. Accurate calculation of fields in the boundary regions of the computational domain are ensured by the implementation of the Generalized Perfect Matched Layers method. We validate the MoVFEM algorithm by applications to various scenarios, which allow a comparison with analytical or accepted numerical solutions where available. The respective results of our algorithm are in good agreement with existing solutions.|
|Keywords:||Numerical modelling; electrical resistivity anisotropy; finite element method; edge elements; magnetotellurics|
|Rights:||© The Author(s) 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.|
|Appears in Collections:||Geology & Geophysics publications|
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