首页|Adaptive finite element modelling of three-dimensional magnetotelluric fields in general anisotropic media
Adaptive finite element modelling of three-dimensional magnetotelluric fields in general anisotropic media
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NSTL
Elsevier
We present a goal-oriented adaptive finite element (FE) modelling algorithm for 3-D magnetotelluric fields in generally anisotropic conductivity media. The model consists of a background layered structure, containing an isotropic blocks. Each block and layer might be anisotropic by assigning to them 3 x 3 conductivity tensors. The second-order partial differential equations are solved using the adaptive finite element method (FEM). The computational domain is subdivided into unstructured tetrahedral elements, which allow for complex geometries including bathymetry and dipping interfaces. The grid refinement process is guided by a global posteriori error estimator and is performed iteratively.
MagnetotelluricAdaptive finite element methodUnstructured meshElectric anisotropy3-D conductivity structures
Liu, Ying、Xu, Zhenhuan、Li, Yuguo
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Ocean Univ China, MOE, Key Lab Submarine Geosci & Prospecting Tech, Qingdao 266100, Peoples R China
NSTL
Elsevier
