复杂地质体粘滞弹性波正演模拟的有限差分法Viscoelastic Wave Simulating in Complex Medium by Finite Difference Method
孟凡顺,郭海燕,和转,王渝明
摘要(Abstract):
运用时空域的二阶中心差分法 ,由运动微分方程、自由边界条件及人工边界上的吸收边界条件 ,导出了二维非均匀粘滞弹性介质中波传播的二阶显示差分格式。该法可以方便且精确地处理自由表面、人工边界及交接层面。实现了在微机上用有限差分法对地震波在传播过程中的波型转换及波形变化的全波场模拟
关键词(KeyWords): 地震波;粘滞弹性介质;有限差分法;波场模拟
基金项目(Foundation):
作者(Author): 孟凡顺,郭海燕,和转,王渝明
DOI: 10.16441/j.cnki.hdxb.2000.02.021
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