GYIG OpenIR  > 矿床地球化学国家重点实验室  > 期刊论文
电导率连续变化2.5维直流电阻率法有限元数值模拟
刘云; 宋滔; 王赟
2014
Source Publication地球物理学进展
Issue3Pages:1194-1200
Abstract在阮百尧、徐世浙(1998,2001)工作基础上,给出四边形内三角网格单元剖分,电导率连续变化2.5维直流电阻率数值模拟方法.在二维起伏地形情况下,有限单元设计为四边形内剖分四个三角网格单元,单元内的电位值和电导率设计为线性变化,将研究区域远边界的第三类边界条件简化为第二类齐次边界条件,重新给出一组适用性较好的Fourier反变换系数,并采用分离式Cholesky分解法快速求解线性方程组.通过对3个地电模型的计算与对比分析,其结果与解析法的均方根误差小于0.2%,计算速度比较常规方法提高了5倍,能有效模拟起伏地形和复杂形态的地电体模型.
Subject Area矿床地球化学
Indexed ByCSCD
Language中文
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Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/5393
Collection矿床地球化学国家重点实验室_矿床地球化学国家重点实验室_期刊论文
Recommended Citation
GB/T 7714
刘云,宋滔,王赟. 电导率连续变化2.5维直流电阻率法有限元数值模拟[J]. 地球物理学进展,2014(3):1194-1200.
APA 刘云,宋滔,&王赟.(2014).电导率连续变化2.5维直流电阻率法有限元数值模拟.地球物理学进展(3),1194-1200.
MLA 刘云,et al."电导率连续变化2.5维直流电阻率法有限元数值模拟".地球物理学进展 .3(2014):1194-1200.
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