具有振荡系数的椭圆型问题的局部保守多尺度方法

Y. Jeon, Eun‐Jae Park
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引用次数: 1

摘要

介绍了求解高振荡系数椭圆型问题的一种新的多尺度有限元方法。杂化得到了多尺度问题的局部守恒型数值格式。我们的方法自然地推导出一个均匀化方程,便于误差分析。给出了完全收敛分析,并用数值算例验证了分析结果。
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A LOCAL CONSERVATIVE MULTISCALE METHOD FOR ELLIPTIC PROBLEMS WITH OSCILLATING COEFFICIENTS
A new multiscale finite element method for elliptic problems with highly oscillating coefficients are introduced. A hybridization yields a locally flux-conserving numerical scheme for multiscale problems. Our approach naturally induces a homogenized equation which facilitates error analysis. Complete convergence analysis is given and numerical examples are presented to validate our analysis.
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