A hybrid grid-based finite-element approach for three-dimensional magnetotelluric forward modeling in general anisotropic media

Article Computer Science, Interdisciplinary Applications

3D edge-based and nodal finite element modeling of magnetotelluric in general anisotropic media

Ningbo Bai et al.

Summary: The study introduces an edge-based and nodal finite-element method for three-dimensional MT forward modeling in anisotropic media, demonstrating the accuracy, robustness, and faster convergence of the algorithm.

COMPUTERS & GEOSCIENCES (2022)

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Article Computer Science, Interdisciplinary Applications

High order edge-based finite elements for 3D magnetotelluric modeling with unstructured meshes

Erik U. Gallardo-Romero et al.

Summary: The study presents a 3D magnetotelluric forward modeling program, which uses high-order edge elements and the Edge Finite Element method to accurately simulate magnetotelluric data. The program is open-source and optimized for both HPC and nonHPC architectures, providing highly accurate solutions for multiple frequencies with reduced computing times.

COMPUTERS & GEOSCIENCES (2022)

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Article Computer Science, Interdisciplinary Applications

Three-dimensional magnetotelluric modeling in general anisotropic media using nodal-based unstructured finite element method

Yixin Ye et al.

Summary: Magnetotelluric sounding is an efficient and economical method for detecting Earth's deep structure with large surveying depth. A finite element approach is used to solve magnetotelluric fields in three-dimensional anisotropic media, with an unstructured mesh generator handling complex models effectively. The method shows great potential for simulating magnetotelluric responses in geometrically complicated situations, as demonstrated through numerical examples.

COMPUTERS & GEOSCIENCES (2021)

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Article Computer Science, Interdisciplinary Applications

Three-dimensional magnetotelluric modeling using the finite element model reduction algorithm

Jifeng Zhang et al.

Summary: This study introduces a fast and efficient vector finite element method based on model reduction algorithm for simulating 3-D magnetotelluric response. Validation results show significant improvement in computational efficiency compared to traditional methods, with good agreement with results from classical models.

COMPUTERS & GEOSCIENCES (2021)

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Article Geochemistry & Geophysics

Three-Dimensional Inversion of Magnetotelluric Data for a Resistivity Model With Arbitrary Anisotropy

Wenxin Kong et al.

Summary: Electrical anisotropy is crucial in resistivity models for interpreting magnetotelluric observations. A new 3-D MT inversion algorithm has been developed to recover a 3-D resistivity model considering arbitrary electrical anisotropy, tested on synthetic and field data. The algorithm demonstrates limitations in resolving vertical resistivity components due to dominant horizontal current flow in MTs and highlights the importance of prior information in reducing uncertainty.

JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH (2021)

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Article Geosciences, Multidisciplinary

3D MT modeling using the T-Ω method in general anisotropic media

Tiaojie Xiao et al.

JOURNAL OF APPLIED GEOPHYSICS (2019)

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Article Geochemistry & Geophysics

A multi-resolution approach to electromagnetic modelling

M. Cherevatova et al.

GEOPHYSICAL JOURNAL INTERNATIONAL (2018)

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Article Geosciences, Multidisciplinary

Three-dimensional magnetotelluric modeling in anisotropic media using edge-based finite element method

Tiaojie Xiao et al.

JOURNAL OF APPLIED GEOPHYSICS (2018)

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Article Geosciences, Multidisciplinary

Adaptive finite element modelling of three-dimensional magnetotelluric fields in general anisotropic media

Ying Liu et al.

JOURNAL OF APPLIED GEOPHYSICS (2018)

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Article Geochemistry & Geophysics

The Effects of 3D Electrical Anisotropy on Magnetotelluric Responses: Synthetic Case Studies

Wenxin Kong et al.

JOURNAL OF ENVIRONMENTAL AND ENGINEERING GEOPHYSICS (2018)

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Article Computer Science, Interdisciplinary Applications

Evaluation of parallel direct sparse linear solvers in electromagnetic geophysical problems

Vladimir Puzyrev et al.

COMPUTERS & GEOSCIENCES (2016)

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Article Geochemistry & Geophysics

MARE2DEM: a 2-D inversion code for controlled-source electromagnetic and magnetotelluric data

Kerry Key

GEOPHYSICAL JOURNAL INTERNATIONAL (2016)

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Article Geochemistry & Geophysics

Large-scale 3D geoelectromagnetic modeling using parallel adaptive high-order finite element method

Alexander V. Grayver et al.

GEOPHYSICS (2015)

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Article Geochemistry & Geophysics

Reexamination of magnetotelluric responses and electrical anisotropy of the lithospheric mantle in the Grenville Province, Canada

Ademola Q. Adetunji et al.

JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH (2015)

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Article Geochemistry & Geophysics

Robust and scalable 3-D geo-electromagnetic modelling approach using the finite element method

Alexander V. Grayver et al.

GEOPHYSICAL JOURNAL INTERNATIONAL (2014)

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Review Geochemistry & Geophysics

The Role of Electrical Anisotropy in Magnetotelluric Responses: From Modelling and Dimensionality Analysis to Inversion and Interpretation

Anna Marti

SURVEYS IN GEOPHYSICS (2014)

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Article Materials Science, Composites

Dielectric constant and breakdown strength of polymer composites with high aspect ratio fillers studied by finite element models

Zepu Wang et al.

COMPOSITES SCIENCE AND TECHNOLOGY (2013)

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Article Geochemistry & Geophysics

A goal-oriented adaptive finite-element approach for plane wave 3-D electromagnetic modelling

Zhengyong Ren et al.

GEOPHYSICAL JOURNAL INTERNATIONAL (2013)

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Article Oceanography

Adaptive finite element modeling of marine controlled-source electromagnetic fields in two-dimensional general anisotropic media

Li Yuguo et al.

JOURNAL OF OCEAN UNIVERSITY OF CHINA (2013)

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Article Geochemistry & Geophysics

Distortion decomposition of the magnetotelluric impedance tensors from a one-dimensional anisotropic Earth

Alan G. Jones

GEOPHYSICAL JOURNAL INTERNATIONAL (2012)

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Article Geochemistry & Geophysics

Finite element modelling of marine controlled-source electromagnetic responses in two-dimensional dipping anisotropic conductivity structures

Yuguo Li et al.

GEOPHYSICAL JOURNAL INTERNATIONAL (2011)

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Article Geochemistry & Geophysics

A parallel goal-oriented adaptive finite element method for 2.5-D electromagnetic modelling

Kerry Key et al.

GEOPHYSICAL JOURNAL INTERNATIONAL (2011)

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Article Geochemistry & Geophysics

Adaptive finite element modelling of two-dimensional magnetotelluric fields in general anisotropic media

Yuguo Li et al.

GEOPHYSICAL JOURNAL INTERNATIONAL (2008)

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Article Geochemistry & Geophysics

Adaptive finite-element modeling using unstructured grids: The 2D magnetotelluric example

Kerry Key et al.

GEOPHYSICS (2006)

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Article Geochemistry & Geophysics

Inherent nonuniqueness in magnetotelluric inversion for 1D anisotropic models

CC Yin

GEOPHYSICS (2003)

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Article Computer Science, Interdisciplinary Applications

Magnetotelluric impedances and parametric sensitivities for 1-D anisotropic layered media

J Pek et al.

COMPUTERS & GEOSCIENCES (2002)

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Article Geochemistry & Geophysics

Three-dimensional induction logging problems, Part 2: A finite-difference solution

GA Newman et al.

GEOPHYSICS (2002)

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Article Geochemistry & Geophysics

A finite-element algorithm for electromagnetic induction in two-dimensional anisotropic conductivity structures

YG Li

GEOPHYSICAL JOURNAL INTERNATIONAL (2002)

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Article Mathematics, Applied

The stability of mixed hp-finite element methods for Stokes flow on high aspect ratio elements

M Ainsworth et al.

SIAM JOURNAL ON NUMERICAL ANALYSIS (2000)

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A hybrid grid-based finite-element approach for three-dimensional magnetotelluric forward modeling in general anisotropic media

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