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Application of Hermite multiscalets in mode-matching method for normal resistivity logging
Author(s): 
Pages: 245-251
Year: Issue:  3
Journal: Journal of Yanshan University

Keyword:  Hermite多尺度函数有限元法模式匹配法普通电阻率测井;
Abstract: 模式匹配法是普通电阻率测井的一种有效的半数值、半解析的正演方法。在使用有限元法进行数值解时,基函数的选取十分重要,它影响着计算的速度和精度。Hermite多尺度函数具有正交性、高阶逼近和一阶偏导数在节点连续等特性,本文在解决数值本征模式解时,将Hermite多尺度函数作为形函数,并对其进行了改进。在不同介质的地层模型中进行验证,实验结果表明将该函数作为有限单元的形函数,电流在节点处连续并且计算精度...
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