Many geoscientific applications exploit electrostatic and electromagnetic fields to interrogate
and map subsurface electrical resistivity—an important geophysical attribute for …

本文提出了一种基于非结构化网格的海洋电磁有限单元正演算法. 为了回避场源奇异性,
文中选用二次场算法, 将背景电阻率设置为水平层状且各向异性, 场源在水平层状各向异性介质 …

摘要本文实现了海洋可控源电磁三维矢量有限元数值模拟. 由于采用非结构四面体单元进行三维
网格剖分, 该方法可以模拟复杂电性异常体和海底地形. 一维模型的数值模拟结果表明, 电场实 …

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 …

Electromagnetic (EM) imaging aims to produce large-scale, high-resolution soil conductivity
maps that provide essential information for Earth subsurface exploration. To rigorously …

For 3-D inversion of controlled-source electromagnetic (CSEM) data, increasing availability
of high-performance computers enables us to apply inversion techniques that are …

Unstructured tetrahedral grids with local refinement facilitate the use of total-field solution
approaches to geophysical electromagnetic (EM) forward problems. These approaches …

This paper presents a linear edge-based finite element method for numerical modeling of
3D controlled-source electromagnetic data in an anisotropic conductive medium. We use a …

在使用电偶极发射源的可控源电磁法(CSEM) 勘探中, 发射源的方位, 长度, 形状等对观测数据有
重要的影响, 然而现有的大部分三维数值模拟方法没有全面地将这些因素考虑进来 …

We have developed the open-source toolbox custEM (customizable electromagnetic
modeling) for the simulation of complex 3D controlled-source electromagnetic (CSEM) …