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The Numerical Simulation of Wave Fields for the Theoretical Geological Model
Author(s): 
Pages: 3-5,16
Year: Issue:  3
Journal: Coal

Keyword:  二阶中心差分边界吸收条件理论地质模型声波数值模拟;
Abstract: 介绍了二阶中心差分的基本理论,并由此推导出了声波方程的二阶中心差分格式以及边界条件的差分格式.建立双层理论地质模型,分别对爆炸点在介质内部和介质顶层的两种情况进行波场数值模拟,模拟出波在不同时刻传播的形态及炮集记录.同时通过对模拟出的波场图形和对应的炮集进行对比分析,得出仅采用一阶边界吸收便可快速、便捷的对均匀介质模型波场形态进行较好模拟.
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