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Viscoelastic Wave Simulating in Complex Medium by Finite Difference Method
Author(s): 
Pages: 315-320
Year: Issue:  2
Journal: JOURNAL OF OCEAN UNIVERSITY OF QINGDAO

Keyword:  地震波粘滞弹性介质有限差分法波场模拟;
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.
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