A parallel finite-element method for three-dimensional controlled-source electromagnetic forward modelling
We present a nodal finite-element method that can be used to compute in parallel highly accurate solutions for 3-D controlled-source electromagnetic forward-modelling problems in anisotropic media. Secondary coupled-potential formulation of Maxwell's equations allows to avoid the singularities...
| Main Authors: | , , , , , |
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| Format: | Journal Article |
| Published: |
Blackwell Publishing Ltd
2013
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| Online Access: | http://hdl.handle.net/20.500.11937/10525 |
| _version_ | 1848747556468686848 |
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| author | Puzyrev, Volodymyr Koldan, J. de la Puente, J. Houzeaux, G. Vázquez, M. Cela, J. |
| author_facet | Puzyrev, Volodymyr Koldan, J. de la Puente, J. Houzeaux, G. Vázquez, M. Cela, J. |
| author_sort | Puzyrev, Volodymyr |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | We present a nodal finite-element method that can be used to compute in parallel highly accurate solutions for 3-D controlled-source electromagnetic forward-modelling problems in anisotropic media. Secondary coupled-potential formulation of Maxwell's equations allows to avoid the singularities introduced by the sources, while completely unstructured tetrahedral meshes and mesh refinement support an accurate representation of geological and bathymetric complexity and improve the solution accuracy. Different complex iterative solvers and an efficient pre-conditioner based on the sparse approximate inverse are used for solving the resulting large sparse linear system of equations. Results are compared with the ones of other researchers to check the accuracy of the method. We demonstrate the performance of the code in large problems with tens and even hundreds of millions of degrees of freedom. Scalability tests on massively parallel computers show that our code is highly scalable. |
| first_indexed | 2025-11-14T06:51:02Z |
| format | Journal Article |
| id | curtin-20.500.11937-10525 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T06:51:02Z |
| publishDate | 2013 |
| publisher | Blackwell Publishing Ltd |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-105252017-09-13T14:53:17Z A parallel finite-element method for three-dimensional controlled-source electromagnetic forward modelling Puzyrev, Volodymyr Koldan, J. de la Puente, J. Houzeaux, G. Vázquez, M. Cela, J. We present a nodal finite-element method that can be used to compute in parallel highly accurate solutions for 3-D controlled-source electromagnetic forward-modelling problems in anisotropic media. Secondary coupled-potential formulation of Maxwell's equations allows to avoid the singularities introduced by the sources, while completely unstructured tetrahedral meshes and mesh refinement support an accurate representation of geological and bathymetric complexity and improve the solution accuracy. Different complex iterative solvers and an efficient pre-conditioner based on the sparse approximate inverse are used for solving the resulting large sparse linear system of equations. Results are compared with the ones of other researchers to check the accuracy of the method. We demonstrate the performance of the code in large problems with tens and even hundreds of millions of degrees of freedom. Scalability tests on massively parallel computers show that our code is highly scalable. 2013 Journal Article http://hdl.handle.net/20.500.11937/10525 10.1093/gji/ggt027 Blackwell Publishing Ltd unknown |
| spellingShingle | Puzyrev, Volodymyr Koldan, J. de la Puente, J. Houzeaux, G. Vázquez, M. Cela, J. A parallel finite-element method for three-dimensional controlled-source electromagnetic forward modelling |
| title | A parallel finite-element method for three-dimensional controlled-source electromagnetic forward modelling |
| title_full | A parallel finite-element method for three-dimensional controlled-source electromagnetic forward modelling |
| title_fullStr | A parallel finite-element method for three-dimensional controlled-source electromagnetic forward modelling |
| title_full_unstemmed | A parallel finite-element method for three-dimensional controlled-source electromagnetic forward modelling |
| title_short | A parallel finite-element method for three-dimensional controlled-source electromagnetic forward modelling |
| title_sort | parallel finite-element method for three-dimensional controlled-source electromagnetic forward modelling |
| url | http://hdl.handle.net/20.500.11937/10525 |