Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/122759
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Type: Journal article
Title: Multi-order vector finite element modeling of 3D magnetotelluric data including complex geometry and anisotropy
Author: Rivera Rios, A.M.
Zhou, B.
Heinson, G.
Krieger, L.
Citation: Earth, Planets and Space, 2019; 71(1):92-1-92-25
Publisher: Springer Nature
Issue Date: 2019
ISSN: 1880-5981
1880-5981
Statement of
Responsibility: 
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.
DOI: 10.1186/s40623-019-1071-1
Grant ID: http://purl.org/au-research/grants/arc/DP20106713
Appears in Collections:Aurora harvest 8
Geology & Geophysics publications

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