Search Results - "Abdelaziz Beljadid"

An efficient semi-implicit friction source term treatment for modeling overland flow by Beljadid, Abdelaziz, Hanini, Amine

“…In this study, a new numerical treatment of the friction source term is proposed for modeling shallow water flows over complex bed topography. We design a…”
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A structure-preserving algorithm for surface water flows with transport processes by Karjoun, Hasan, Beljadid, Abdelaziz, LeFloch, Philippe G.

“…We consider a system of coupled equations modeling a shallow water flow with solute transport and introduce an artificial dissipation in order to improve the…”
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A well-balanced and positivity-preserving numerical model for overland flow under vegetation effects by Karjoun, Hasan, Beljadid, Abdelaziz

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A coupled numerical model for water flow, sediment transport and bed erosion by Liu, Xin, Beljadid, Abdelaziz

“…•A numerical method is proposed for the coupled hydrodynamic-morphodynamic system.•Analytical expressions of the eingenstructure of the system are not…”
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Node-Diamond approximation of heterogeneous and anisotropic diffusion systems on arbitrary two-dimensional grids by Quenjel, El Houssaine, Beljadid, Abdelaziz

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Efficient second-order semi-implicit finite element method for fourth-order nonlinear diffusion equations by Keita, Sana, Beljadid, Abdelaziz, Bourgault, Yves

“…We focus here on a class of fourth-order parabolic equations that can be written as a system of second-order equations by introducing an auxiliary variable. We…”
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Implicit and semi-implicit second-order time stepping methods for the Richards equation by Keita, Sana, Beljadid, Abdelaziz, Bourgault, Yves

“…This study concerns numerical methods for efficiently solving the Richards equation where different weak formulations and computational techniques are…”
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A continuum model of unstable infiltration in porous media endowed with an entropy function by Beljadid, Abdelaziz, Cueto-Felgueroso, Luis, Juanes, Ruben

“…•We propose a thermodynamic approach to modeling unsaturated flow in porous media.•The formulation is endowed with an entropy function, and it describes an…”
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Implicit EXP-RBF techniques for modeling unsaturated flow through soils with water uptake by plant roots by Boujoudar, Mohamed, Beljadid, Abdelaziz, Taik, Ahmed

“…Root water uptake Soil-water-plant interactions Meshfree methods Localized radial basis function EXP-RBF BDF2Modeling unsaturated flow through soils with water…”
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Mass-conservative and positivity preserving second-order semi-implicit methods for high-order parabolic equations by Keita, Sana, Beljadid, Abdelaziz, Bourgault, Yves

“…•We develop second-order methods for fourth-order nonlinear equations.•The methods satisfy the conservation of mass, positivity or boundedness of solution and…”
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A transfer learning physics-informed deep learning framework for modeling multiple solute dynamics in unsaturated soils by Kamil, Hamza, Soulaïmani, Azzeddine, Beljadid, Abdelaziz

“…Modeling subsurface flow and transport phenomena is essential for addressing a wide range of challenges in engineering, hydrology, and ecology. The Richards…”
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Localized RBF methods for modeling infiltration using the Kirchhoff-transformed Richards equation by Boujoudar, Mohamed, Beljadid, Abdelaziz, Taik, Ahmed

“…We develop a new approach to solve the nonlinear Richards equation based on the Kirchhoff transformation and localized radial basis function (LRBF) techniques…”
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A central-upwind scheme with artificial viscosity for shallow-water flows in channels by Hernandez-Duenas, Gerardo, Beljadid, Abdelaziz

“…•A scheme for shallow-water flows in channels with artificial viscosity is proposed.•The central-upwind scheme enjoys well-balance and positivity-preserving…”
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A well-balanced positivity-preserving numerical scheme for shallow water models with variable density by Hanini, Amine, Beljadid, Abdelaziz, Ouazar, Driss

“…We develop an unstructured numerical scheme for a coupled system modeling shallow water flows and solute transport over variable topography. A novel algorithm…”
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Semi-implicit schemes for modeling water flow and solute transport in unsaturated soils by Kamil, Hamza, Beljadid, Abdelaziz, Soulaïmani, Azzeddine, Bourgault, Yves

“…The coupled model of water flow and solute transport in unsaturated soils is addressed in this study. Building upon previous research findings by Keita,…”
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Localized MQ-RBF meshless techniques for modeling unsaturated flow by Boujoudar, Mohamed, Beljadid, Abdelaziz, Taik, Ahmed

“…•We develop space-time mesh-free numerical techniques to solve the Richards equation.•The proposed numerical method is efficient in terms of computational…”
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Well-balanced positivity preserving cell-vertex central-upwind scheme for shallow water flows by Beljadid, Abdelaziz, Mohammadian, Abdolmajid, Kurganov, Alexander

“…•A cell-vertex central-upwind scheme is proposed for shallow water system.•The proposed method is free of any Riemann solver.•New techniques are proposed for…”
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Late-time asymptotic behavior of solutions to hyperbolic conservation laws on the sphere by Beljadid, Abdelaziz, LeFloch, Philippe G., Mohammadian, Abdolmajid

“…We consider nonlinear hyperbolic conservation laws posed on a curved geometry, referred to as “geometric Burgers equations” after Ben-Artzi and LeFloch (2007),…”
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Stability analysis of unstructured finite volume methods for linear shallow water flows using pseudospectra and singular value decomposition by Beljadid, Abdelaziz, Mohammadian, Abdolmajid, Qiblawey, Hazim

“…The discretization of the shallow water system on unstructured grids can lead to spurious modes which usually can affect accuracy and/or cause stability…”
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The combination of the quality index, isotopic, and GIS techniques to assess water resources in a semi-arid context (Essaouira watershed in Morocco) by Rafik, Abdellatif, Bahir, Mohammed, Beljadid, Abdelaziz, Chehbouni, Abdelghani, Dhiba, Driss, Ouhamdouch, Salah

“…In arid and semi-arid zones, water resources remain unknown in terms of quality and quantity. The current paper aims to evaluate the water quality for drinking…”
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