METHOD OF ANALYZING CONTAMINANT TRANSPORT UNDER CAUCHY BOUNDARY CONDITIONS USING IMPROVED LAGRANGIAN-EULERIAN METHOD
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United States of America Patent
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Dec 18, 2014
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Aug 20, 2013
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Jun 12, 2013
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Abstract
This invention relates to, in order to numerically analyze contaminant transport in groundwater, a method of analyzing contaminant transport under Cauchy boundary conditions using an improved Lagrangian-Eulerian method, wherein problems of a conventional Lagrangian-Eulerian method able to analyze only high Peclet numbers are solved, and which is configured to analyze a new numerical matrix constructed in such a manner that a Eulerian method is applied to an element adjacent to Cauchy boundary conditions and a conventional Lagrangian-Eulerian method is applied to an internal element, thereby enabling accurate numerical analysis of contaminant transport at various Peclet numbers including not only high Peclet numbers but also particularly low Peclet numbers under Cauchy boundary conditions.
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