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直流电阻率法的三维有限元无限元数值分析 预览 被引量:6

Numerical analysis for three-dimensional resistivity model by using finite element/infinite element methods
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摘要 针对直流电阻探测法的三维数值解析中所存在的问题,提出了用有限元、无限元相结合来计算三维稳定电流场的方法.本方法不但有效考虑了三维半无限空间边界的影响,还可充分发挥有限元法在模拟三维地形方面的优越性.文中给出了用于三维稳定电流场计算的有限元、无限元的基本公式,并计算分析了有地下埋设物的数值试验和现场试验例.计算结果充分显示了本文提案方法的实用性. The finite element/infinite element methods (FEM/IEM) were used to calculate the three-dimensional resistivity modeling in mapping surveys. The basic control equations of the FEM/IEM were given in this paper. And both synthetic and field data of 3D resistivity models were analyzed. The calculated results show that this method gives a good approximation for the actual 3D resistivity structure of underground.
作者 孙跃 SUN Yue (Kiso-Jiban Consultants Co, Ltd., Tokyo 102-8220, Japan)
出处 《岩土工程学报》 EI CAS CSCD 北大核心 2005年第7期 733-737,共5页 Chinese Journal of Geotechnical Engineering
关键词 直流电阻率探测 三维有限元无限元 地下埋设物 现场试验 electrical resistivity survey 3D FEM/IEM embedded thing filed test
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参考文献8

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