基于非结构化有限元的三维井地电阻率法约束反演

王智, 王程, 方思南

Constraint inversion of three-dimensional borehole-to-surface resistivity based on unstructured finite element

WANG Zhi, WANG Cheng, FANG Si-Nan

图4 平坦地形下长方体模型 a—xoy水平截面; b—xoz垂直断面;c—三维异常体模型;d—测点加密示意;e—正演网格;f——反演网格

Fig.4 Cuboid model under flat terrain a—xoy plane view of the model;b—xoz cross section view of the model;c—3D abnormal body model diagram;d—diagram of mesh refinement at measuring point;e—forward mesh;f—inversion mesh