Numerical Analysis of Salt-Water Intrusion in Coastal Aquifer by Weighted Residuals Method
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概要
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A weighted residuals method based on Galerkin's finite element technique is applied to investigate the saltwater intrusion and dispersion in the coastal aquifer. The salt-water intrusion phenomenon was treated as the density-dependent flow of two immiscible and miscible fluids.<BR>The mathematical formulation of miscible densitydependent flow consists of the coupled form of the flow equation and the convective diffusion equation.<BR>The present analysis uses two dimensional quadrilateral, isoparametric elements with a linear basis function for piezometric head, salt concentration and velocity components.<BR>From the comparison of the numerical results with the experimental results, this procedure can handle the saltwater intrusion in the coastal aquifer.
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