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| 积分方程法三维模拟井地电法并行算法研究 | |
| 引用本文： | 王志刚,何展翔,魏文博.积分方程法三维模拟井地电法并行算法研究[J].物探化探计算技术,2007,29(5):425-430. |
| 作者姓名： | 王志刚 何展翔 魏文博 |
| 作者单位： | 1. 中国地质大学,北京,100083;东方地球物理公司,河北,涿州,072751 2. 东方地球物理公司,河北,涿州,072751 3. 中国地质大学,北京,100083 |
| 摘 要： | 在积分方程法模拟三维电磁响应原理的基础上,对井地电法三维正演模拟并行算法做了研究。同时,还利用Fortran 6.5和消息传递接口(MPI)开发了井地电法三维正演模拟并行计算程序。在求解大型线性方程组时,采用的是稳定的双共轭梯度(BICGSTAB)算法,单机正演程序与并行正演程序的计算结果有着很好的一致性,这说明了并行算法的正确性,为进一步开发井地电法三维反演并行程序奠定了基础,也为井地电法三维正、反演程序实用化提供了技术支持。 |
| 关 键 词： | 井地电法 积分方程法 并行 稳定化的双共轭梯度法 |
| 文章编号： | 1001-1749（2007）05-0425-06 |
| 修稿时间： | 2006-08-11 |
Parallel algorithm research of integral equation method to 3D borehole-surface electromagnetic modeling |
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| WANG Zhi-gang,HE Zhan-xiang,WEI Wen-bo.Parallel algorithm research of integral equation method to 3D borehole-surface electromagnetic modeling[J].Computing Techniques For Geophysical and Geochemical Exploration,2007,29(5):425-430. | |
| Authors: | WANG Zhi-gang HE Zhan-xiang WEI Wen-bo |
| Abstract: | The paper presents the parallel algorithm research of integral equation method to 3D borehole-surface electromagnetic modeling based on 3D electromagnetic field response.The parallel program for 3D borehole-surface modeling was developed with Fortran 6.5 and Message Pass Interface(MPI).BiConjugate Gradients Stabilized method is applied for solving large linear equation set.That the calculation results of PC modeling program match well with that of parallel algorithm shows high reliability of the latter.The parallel algorithm has established the basis for the inversion 3D Borehole-Surface electromagnetic data and also provided the tech support for the utilization of the program. |
| Keywords: | borehole-Surface electrical method integral equation method parallel algorithm biconjugate Gradients Stabilized method |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |