Abstract
In this paper, we consider a transient vertical one-dimensional flow problem of water in unsaturated porous media, modelled by the nonlinear Richards equation. Constitutive relations of Van Genuchten are employed to represent the hydraulic capacity and conduction. The solution formula is optimised and evaluated using the governing equation for a self-consistency criterion. The results are presented for some soil types and its related soil parameters that are reported in the literature.
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