| 区域分解地震波场数值模拟算法 |
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| 引用本文： | 杨绍国,周熙襄.区域分解地震波场数值模拟算法[J].石油地球物理勘探,1996,31(2):167-176. |
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| 作者姓名： | 杨绍国 周熙襄 |
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| 作者单位： | 成都理工学院!610059 |
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| 基金项目： | 油气藏地质与开发工程国家重点实验室资助，地质矿产部开放研究实验室资助，成都理工学院青年科学基金 |
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| 摘 要： | 区域分解法是一种计算偏微分方程数值解的新方法。该法把研究区域分解为形态规则的小区域，在各子区域内采用最有效的计算方法求解，能充分发挥各种数值模拟方法的优点，提高求解正演问题有效性。
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| 关 键 词： | 地震波 波场分离 数值模拟 算法 分解 |
Sectional-decomposition numerical modeling of seismic wave field |
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| Yang Shaoguo and Zhou Xixiang.Sectional-decomposition numerical modeling of seismic wave field[J].Oil Geophysical Prospecting,1996,31(2):167-176. |
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| Authors: | Yang Shaoguo and Zhou Xixiang |
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| Abstract: | Sectional decomposition technique is a new one for calculating the numerical solution of partial differential equation. Having divided a whole section into many regular small subsections,we can make solution by using optimum method in each subsection, so that we can fully use the advantage of each numerical modeling method,and then improve forward solution.We introduce sectional-decomposition into numerical modeling of seismic wave field. Analytic method is used in uniformly-layered medium subsection,and numeri-cal method in complicated-structural subsection. As a result,we make full use of the advantages of analytic and numerical methods. Sectional-decomposition numerical modeling of seismic wave field has been proved to be convergent theoretically,and its software has been tested on many theoretical models to result in satisfactory re-sults. |
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| Keywords: | seismic wave wave field separation numerical modeling algorithm medium forward computation convergence |
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