A Layer-IntegratedModel of Solute Transport in HeterogeneousMedia
作者机构：Department of Civil EngineeringNational Chiao Tung University1001 Ta Hsueh RoadHsinchu 30010Taiwan Agricultural Engineering Research Center196-1 Chung Yuan RoadChungli 32061Taiwan Department of Civil and Water Resources Engineering National Chiayi University300 Syuefu RoadChiayi 60004Taiwan Department of Civil Engineering and Disaster Prevention and Water Environment Research CenterNational Chiao Tung University1001 Ta Hsueh RoadHsinchu 30010Taiwan
出 版 物：《Advances in Applied Mathematics and Mechanics》 (应用数学与力学进展（英文）)
年 卷 期：2014年第6卷第6期
页 面：699-717页
核心收录：
学科分类：07[理学] 0701[理学-数学] 070101[理学-基础数学]
主 题：Layer-integrated model groundwater solute transport finite analytic method heterogeneous media
摘 要：This study presents a numerical solution to the three-dimensional solute transport in heterogeneous media by using a layer-integrated *** vertical spatial variation of soil and hydraulic properties within each layer,a threedimensional solute transport can be simplified as a quasi-three-dimensional solute transport which couples a horizontal two-dimensional simulation and a vertical onedimensional *** finite analytic numericalmethod was used to discretize the derived two-dimensional governing equation.A quadratic function was used to approximate the vertical one-dimensional concentration distribution in the layer to ensure the continuity of concentration and flux at the interface between the adjacent *** integration over each layer,a set of system of equations can be generated for a single column of vertical cells and solved numerically to give the vertical solute concentration *** solute concentration field was then obtained by solving all columns of vertical cells to achieve convergence with the iterative solution *** proposed model was verified through examples from the published literatures including four verifications in terms of analytical and experimental *** of simulation results indicates that the proposed model satisfies the solute concentration profiles obtained from experiments in time and space.
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