Approximate Analytical Solution of Advection-Dispersion Equation By Means of OHAM.

D J Prajapati, N B Desai
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Abstract

This work deals with the analytical solution of advection dispersion equation arising in solute transport along unsteady groundwater flow in finite aquifer. A time dependent input source concentration is considered at the origin of the aquifer and it is assumed that the concentration gradient is zero at the other end of the aquifer. The optimal homotopy analysis method (OHAM) is used to obtain numerical and graphical representation.
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用OHAM近似解析解平流-色散方程。
本文研究了有限含水层中溶质沿非定常地下水流动运移过程中平流色散方程的解析解。在含水层的起点处考虑一个随时间变化的输入源浓度,并假设含水层另一端的浓度梯度为零。采用最优同伦分析方法(OHAM)对其进行了数值和图形表示。
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