本文提出了一种新的混合有限元-无限元三维可控源电磁法(CSEM) 问题快速高精度正演模拟
算法. 首先从电场双旋度方程出发, 推导了水平电偶极子源的二次场边值问题 …

Electromagnetic forward modeling is the cornerstone of geophysical electromagnetic
inversion. During the last 50 years, numerical simulation methods have been rapidly …

In this work, we developed a new fast and accurate forward modeling algorithm for the three-
dimensional CSEM, named the coupled finite-infinite element method. Firstly, on the base of …

为解决传统有限元截断边界所引起的问题, 本文提出了一种新的三维直流电阻率有限元-
无限元耦合数值模拟方法. 首先推导了无限元三维单元映射函数, 然后提出了一种全新的最优的 …

地震波场数值模拟是理论地球物理学和勘探地球物理学的重要研究手段. 在众多数值模拟方法中
边界元法和有限差分法是两种典型的地震波传播模拟计算方法. 边界元法是一种半解析 …

复杂近地表引起来自深部构造的地震反射信号振幅和相位的异常变化, 是影响复杂近地表地区
地震资料品质的主要原因. 本文采用边界元-体积元方法, 通过求解含复杂地表的波动积分方程 …

In this paper a numerical approach is presented to compute dispersion curves for solid
waveguides coupled to an infinite medium. The derivation is based on the scaled boundary …

A direct boundary element method that uses the full-space Green's function is proposed for
calculating elastic wave propagation in two-dimensional irregularly stratified models. The …

An approach is presented to model elastic waveguides of arbitrary cross-section coupled to
infinite solid media. The formulation is based on the scaled boundary-finite element method …

In this study, we developed a novel hybrid approach for 3D controlled-source
electromagnetic (CSEM) forward modeling. The hybrid approach combines vector spectral …