An Lp spaces-based formulation yielding a new fully mixed finite element method for the coupled Darcy and heat equations

GN Gatica, S Meddahi… - IMA Journal of Numerical …, 2022 - academic.oup.com
In this work we present and analyse a new fully mixed finite element method for the
nonlinear problem given by the coupling of the Darcy and heat equations. Besides the …

A posteriori error estimates for Biot system using Enriched Galerkin for flow

V Girault, X Lu, MF Wheeler - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
We analyze the Biot system solved with a fixed-stress split, Enriched Galerkin (EG)
discretization for the flow equation, and Galerkin for the mechanics equation. Residual …

Numerical discretization of a Darcy–Forchheimer flow with variable density and heat transfer

J Huang, Z Yue, J Zhang, K Fu, X Feng - Journal of Computational and …, 2025 - Elsevier
In this paper, we study a heat transfer scenario in Darcy–Forchheimer porous media with
variable density. The block-centered finite difference method is applied to discretize the non …

Numerical discretization of a Darcy-Forchheimer problem coupled with a singular heat equation

A Allendes, G Campaña, E Otárola - SIAM Journal on Scientific Computing, 2023 - SIAM
In Lipschitz domains, we study a Darcy–Forchheimer problem coupled with a singular heat
equation by a nonlinear forcing term depending on the temperature. By singular we mean …

Darcy's problem coupled with the heat equation under singular forcing: analysis and discretization

A Allendes, G Campaña, F Fuica… - IMA Journal of …, 2024 - academic.oup.com
We study the existence of solutions for Darcy's problem coupled with the heat equation
under singular forcing; the right-hand side of the heat equation corresponds to a Dirac …

A posteriori error estimates for the time-dependent convection-diffusion-reaction equation coupled with the Darcy system

N Chalhoub, P Omnes, T Sayah, RE Zahlaniyeh - Numerical Algorithms, 2022 - Springer
In this article, we consider the time-dependent convection-diffusion-reaction equation
coupled with the Darcy equation. We propose a numerical scheme based on finite element …

A posteriori error estimates for the Brinkman–Darcy–Forchheimer problem

T Sayah - Computational and Applied Mathematics, 2021 - Springer
In this paper, we study the a posteriori error estimate corresponding to the Brinkman–Darcy–
Forchheimer problem. We introduce the variational formulation discretized by using the finite …

Finite element methods for the Darcy-Forchheimer problem coupled with the convection-diffusion-reaction problem

T Sayah, G Semaan, F Triki - ESAIM: Mathematical Modelling and …, 2021 - esaim-m2an.org
In this article, we consider the convection-diffusion-reaction problem coupled the Darcy-
Forchheimer problem by a non-linear external force depending on the concentration. We …

A Posteriori error estimates for Darcy-Forchheimer's problem coupled with the convection-diffusion-reaction equation

T Sayah, G Semaan, F Triki - arXiv preprint arXiv:2212.13247, 2022 - arxiv.org
In this work we derive a posteriori error estimates for the convection-diffusion-reaction
equation coupled with the Darcy-Forchheimer problem by a nonlinear external source …

A posteriori error estimate for the non-stationary concentration equation coupled with the Darcy system discretized by the Raviart–Thomas finite element

N Chalhoub, P Omnes, T Sayah… - … and Applied Mathematics, 2024 - Springer
This article focuses on discretizing the convection–diffusion–reaction equation
(concentration or heat), which is time-dependent and coupled with the Darcy equation. The …