Modeling variably saturated flow in the vadose zone is of vital importance to many scientific
fields and engineering applications. Richardson–Richards equation (RRE, which is …

The presence of fluid in the pores of a solid imposes a volume constraint on the deformation
of the solid. Finite changes in the pore volume alter the degree of saturation of a porous …

非饱和渗流过程的数值模拟对土质边坡稳定性分析, 地下污染物迁移模拟等众多领域有着重要的
意义. Richards 方程由于其普遍适用性被广泛地应用, 然而Richards 方程所描述的渗流过程并未 …

This paper studies the potential of using the successive over-relaxation iteration method with
polynomial preconditioner (P (m)-SOR) to solve variably saturated flow problems described …

Numerical models based on Richards' equation are often employed to simulate the soil
water dynamics. Among them, those Picard iteration models which use the head as primary …

A new numerical method was developed to accurately and efficiently compute a solution of
the nonlinear Richards equation with a layered soil. In the proposed method, the Kirchhoff …

Water infiltration into layered soils is studied, considering a two dimensional spatial domain.
The focus is on the treatment of discontinuity at the intersection of non-overlapping soils. The …

The first law of thermodynamics suggests an energy‐conjugate relationship among degree
of saturation, suction stress, and density of an unsaturated porous material. Experimental …

Current hydrological models still face difficulties in accurately simulating vadose zone (VZ)
hydrological processes in arid watersheds with shallow groundwater environments …

The infiltration process into the soil is generally modeled by the Richards' partial differential
equation (PDE). In this paper a new approach for modeling the infiltration process through …