| 2.5维各向异性介质中地震波场数值模拟 |
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| 引用本文： | 武晔,李小凡,赵玉莲,李信富.2.5维各向异性介质中地震波场数值模拟[J].物探化探计算技术,2006,28(4):289-293. |
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| 作者姓名： | 武晔 李小凡 赵玉莲 李信富 |
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| 作者单位： | 1. 中科院,地质与地球物理研究所,北京,100029
2. 中国石油勘探开发研究院,西北分院,兰州,730020;成都理工大学,成都,610059 |
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| 基金项目： | 国家自然科学基金;国家自然科学基金 |
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| 摘 要： | 这里实现了在2.5维各向异性介质中地震波传播的数值模拟。首先从2.5维一阶速度-应力弹性各向异性波动方程出发,得出了该方程的拟谱法数值解法;然后通过对Marmousi速度模型进行数值模拟,表明了拟谱法的有效性;最后计算并分析了均匀和混合各向异性介质中波的传播快照和理论模拟的地震记录,进一步认识了波在各向异性介质中的传播规律。
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| 关 键 词： | 各向异性 弹性波 傅立叶变换 数值模拟 |
| 文章编号： | 1001-1749(2006)04-0289-05 |
| 收稿时间： | 12 30 2005 12:00AM |
| 修稿时间： | 2005年12月30 |
2.5 - D numerical simulations of seismic wave propagation in heterogeneous media by Velocity-s tress pseudo- spectral method |
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| WU Ye,LI Xiao-fan,ZHAO Yu-lian,et al..2.5 - D numerical simulations of seismic wave propagation in heterogeneous media by Velocity-s tress pseudo- spectral method[J].Computing Techniques For Geophysical and Geochemical Exploration,2006,28(4):289-293. |
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| Authors: | WU Ye LI Xiao-fan ZHAO Yu-lian |
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| Abstract: | In the paper,from 2.5-D one-order velocity-stress elastic anisotropic wave equations,firstly 2.5-D numerical simulations of seismic wave propagation in heterogeneous media are realized by pseudo-spectral method,and the pseudo-spectral numerical solutions of these equations do obtained.Secondly,we the numerical simulations of Marmousi velocity model are realized using pseudo-spectral method,and they show that the pseudo-spectral method is an efficient and accurate forward modeling method.Finally,the seismic wave and the theoretical seismic records in symmetrical and commix media are calculated and analyzed and the propagation snapshots of the waves are obtained,which make us further understand the propagation law of the seismic wave in anisotropic media. |
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| Keywords: | anisotropy elastic wave fourier transform numerical simulation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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