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Fast Forward Modeling of Resistivity Method under Complex Topography Using Finite Element Method.

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Τίτλος: Fast Forward Modeling of Resistivity Method under Complex Topography Using Finite Element Method.
Συγγραφείς: Wang, Zhan, Li, Chang-Wei, Lv, Yu-Zeng, Luo, Run-Lin, Cheng, Bo, Li, Bo
Πηγή: Applied Geophysics: Bulletin of Chinese Geophysical Society; Dec2025, Vol. 22 Issue 4, p1271-1283, 13p
Θεματικοί όροι: Electrical resistivity, Finite element method, Parallel programming, Topography, Computational geometry, Conjugate gradient methods, Domain decomposition methods
Περίληψη: A parallel finite element scheme for 3D resistivity method forward modeling is introduced in this article. The domain decomposition algorithm, along with a message passing interface, is used to implement parallelism. The computational domain is divided into subdomains, and mesh partitioning is combined with load balancing. Unstructured meshes and local mesh refinement strategies are used to realize high precision for complex topography models. Furthermore, an improved linear solver for multi-electrode resistivity method modeling is adopted. Recycling preconditioned conjugate gradient, which is a linear solver, is based on the similarity of linear systems between point sources. The multiple right-hand-side linear systems corresponding to different point source positions are constructed, and the accelerated convergence is obtained through recycling subspace using the linear solver. The computational accuracy and efficiency of the forward scheme for complex topography models are verified using the numerical test results. [ABSTRACT FROM AUTHOR]
Copyright of Applied Geophysics: Bulletin of Chinese Geophysical Society is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Fast Forward Modeling of Resistivity Method under Complex Topography Using Finite Element Method.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Zhan%22">Wang, Zhan</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+Chang-Wei%22">Li, Chang-Wei</searchLink><br /><searchLink fieldCode="AR" term="%22Lv%2C+Yu-Zeng%22">Lv, Yu-Zeng</searchLink><br /><searchLink fieldCode="AR" term="%22Luo%2C+Run-Lin%22">Luo, Run-Lin</searchLink><br /><searchLink fieldCode="AR" term="%22Cheng%2C+Bo%22">Cheng, Bo</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+Bo%22">Li, Bo</searchLink>
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  Data: Applied Geophysics: Bulletin of Chinese Geophysical Society; Dec2025, Vol. 22 Issue 4, p1271-1283, 13p
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Electrical+resistivity%22">Electrical resistivity</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Parallel+programming%22">Parallel programming</searchLink><br /><searchLink fieldCode="DE" term="%22Topography%22">Topography</searchLink><br /><searchLink fieldCode="DE" term="%22Computational+geometry%22">Computational geometry</searchLink><br /><searchLink fieldCode="DE" term="%22Conjugate+gradient+methods%22">Conjugate gradient methods</searchLink><br /><searchLink fieldCode="DE" term="%22Domain+decomposition+methods%22">Domain decomposition methods</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A parallel finite element scheme for 3D resistivity method forward modeling is introduced in this article. The domain decomposition algorithm, along with a message passing interface, is used to implement parallelism. The computational domain is divided into subdomains, and mesh partitioning is combined with load balancing. Unstructured meshes and local mesh refinement strategies are used to realize high precision for complex topography models. Furthermore, an improved linear solver for multi-electrode resistivity method modeling is adopted. Recycling preconditioned conjugate gradient, which is a linear solver, is based on the similarity of linear systems between point sources. The multiple right-hand-side linear systems corresponding to different point source positions are constructed, and the accelerated convergence is obtained through recycling subspace using the linear solver. The computational accuracy and efficiency of the forward scheme for complex topography models are verified using the numerical test results. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of Applied Geophysics: Bulletin of Chinese Geophysical Society is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1007/s11770-024-1054-2
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 13
        StartPage: 1271
    Subjects:
      – SubjectFull: Electrical resistivity
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Parallel programming
        Type: general
      – SubjectFull: Topography
        Type: general
      – SubjectFull: Computational geometry
        Type: general
      – SubjectFull: Conjugate gradient methods
        Type: general
      – SubjectFull: Domain decomposition methods
        Type: general
    Titles:
      – TitleFull: Fast Forward Modeling of Resistivity Method under Complex Topography Using Finite Element Method.
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            – D: 01
              M: 12
              Text: Dec2025
              Type: published
              Y: 2025
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