解弹性波动力学问题的部分分离变量-有限差分方法
THE PARTIAL SEPARATION OF VARIABLES-FINITE DIFFERENCE METHOD FOR SOLVING DYNAMIC PROBLEMS OF ELASTIC WAVE
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摘要: 本文提出一种适用于层状介质、埋藏点源模型的,求解弹性波传播动力学问題的部分分离变量-有限差分方法。它具有计算频域宽、精度高、稳定性好的特点。为了检验本方法的功能,我们给出了一个多层介质模型的数值计算结果。Abstract: In this paper a new method is developed for solving the dynamic problems of elastic wave propagation. It is suitable for tayered media and buried point source model. The method is based on a combination of partial separation of variables and finite difference techniques. It has wide zene of computational freqtcency, high accuracy and good stability. For examining the efficiencg of this method,numerical results of a multilayered media model are given.