Towards Accurate Simulations of Infiltration in Homogeneous Soils Using Harmonic/Geometric Averaging
Sign Up to like & getrecommendations! Published in 2025 at "International Journal for Numerical Methods in Fluids"
DOI: 10.1002/fld.70014
Abstract: The one‐dimensional Richards equation has been widely employed to model water flow in porous media, but the effect of averaging soil diffusivity/hydraulic conductivity on the computed solutions has received comparatively less attention than the numerical… read more here.
Keywords: harmonic geometric; hydraulic conductivity; soils using; richards equation ... See more keywords
Numerical simulation of irrigation scheduling using fractional Richards equation
Sign Up to like & getrecommendations! Published in 2021 at "Irrigation Science"
DOI: 10.1007/s00271-021-00725-3
Abstract: A method of soil moisture content prediction is presented using fractional differential generalization of one-dimensional Richards equation for the purposes of decision support in irrigation. We propose to use water head dynamics data gathered in… read more here.
Keywords: irrigation; richards equation; water head; using fractional ... See more keywords
Richards's equation and nonlinear mixed models applied to avian growth: why use them?
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Avian Biology"
DOI: 10.1111/jav.01864
Abstract: Postnatal growth is an important life‐history trait that varies widely across avian species, and several equations with a sigmoidal shape have been used to model it. Classical three‐parameter models have an inflection point fixed at… read more here.
Keywords: nonlinear mixed; growth; mixed models; richards equation ... See more keywords
Numerical Identification of Boundary Conditions for Richards’ Equation
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DOI: 10.3390/math12020299
Abstract: A time stepping quasilinearization approach to the mixed (or coupled) form of one and two dimensional Richards’ equations is developed. For numerical solution of the linear ordinary differential equation (ODE) for 1D case and elliptic… read more here.
Keywords: conditions richards; numerical identification; identification boundary; richards equation ... See more keywords
A Solution of Richards’ Equation by Generalized Finite Differences for Stationary Flow in a Dam
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DOI: 10.3390/math9141604
Abstract: The accurate description of the flow of water in porous media is of the greatest importance due to its numerous applications in several areas (groundwater, soil mechanics, etc.). The nonlinear Richards equation is often used… read more here.
Keywords: generalized finite; equation; finite differences; richards equation ... See more keywords
Numerical Modeling of Peridynamic Richards' Equation with Piecewise Smooth Initial Conditions Using Spectral Methods
Sign Up to like & getrecommendations! Published in 2023 at "Symmetry"
DOI: 10.3390/sym15050960
Abstract: In this paper, we introduce peridynamic theory and its application to Richards’ equation with a piecewise smooth initial condition. Peridynamic theory is a non-local continuum theory that models the deformation and failure of materials. Richards’… read more here.
Keywords: equation; piecewise smooth; richards equation; equation piecewise ... See more keywords