The finite-different time-domain(FDTD) method has been widely used to simulate the transient solutions of electromagnetic wave propagation.
时域有限差分（FDTD）算法被广泛地用于模拟电磁场的传播。
In this paper, a finite element method with lumped mass formulation is applied to analyse the transient SH wave propagation in an elastic half-space with a dipping layer.
本文采用一种类似于差分方法的集中质量有限元模型和人工边界透射理论分析倾斜成层弹性半空间中瞬态SH波的近场波动问题。
Locally explicit time-domain radiation boundary condition for 2-d and 3-d transient analyses of wave propagation in unbounded media were developed for the cylindrical and spherical wave equations.
基于柱面波和球面波动方程，推导建立了适用于无限介质中二维和三维瞬态波动分析的显式时域辐射边界条件公式。
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