Capacity solution and numerical approximation to a nonlinear coupled elliptic system in anisotropic Sobolev spaces

F Ortegón Gallego, M Rhoudaf, H Talbi - 2022 - rodin.uca.es
In this paper, we analyze the existence and the numerical simulation of a capacity solution to
a coupled nonlinear elliptic system, whose unknowns are the temperature inside a …

Anisotropic parabolic-elliptic systems with degenerate thermal conductivity

H Khelifi - Applicable Analysis, 2024 - Taylor & Francis
In this paper, we investigate the existence and regularity of a capacity solution for a coupled
nonlinear anisotropic parabolic-elliptic system, where the elliptic component of the parabolic …

Increase of power leads to a bilateral solution to a strongly nonlinear elliptic coupled system

F Ortegón Gallego, M Rhoudaf, H Talbi - Advanced Nonlinear …, 2024 - degruyter.com
In this paper, we analyze the following nonlinear elliptic problem A (u)= ρ (u)|∇ φ| 2 in Ω, div
(ρ (u)∇ φ)= 0 in Ω, u= 0 on∂ Ω, φ= φ 0 on∂ Ω. where A (u)=− div a (x, u,∇ u) is a Leray …

The evolution thermistor problem with degenerate thermal conductivity

MTG Montesinos, FO Gallego - Communications on Pure and …, 2002 - aimsciences.org
The existence of a weak solution for the time dependent thermistor problem with degenerate
thermal conductivity is proved in this work. The main difficulties of this problem lies on the …

Capacity solution to a coupled system of parabolic–elliptic equations in Orlicz–Sobolev spaces

H Moussa, F Ortegón Gallego, M Rhoudaf - … Differential Equations and …, 2018 - Springer
The existence of a capacity solution to a coupled nonlinear parabolic–elliptic system is
analyzed, the elliptic part in the parabolic equation being of the form-\, div\, a (x, t, u, ∇ u)-div …

Capacity solution to a nonlinear elliptic coupled system in Orlicz–Sobolev spaces

H Moussa, F Ortegón Gallego, M Rhoudaf - Mediterranean Journal of …, 2020 - Springer
We analyze the existence of a capacity solution to the following nonlinear elliptic coupled
system, whose unknowns are the temperature inside a semiconductor material, u, and the …

Existence of a solution and its numerical approximation for a strongly nonlinear coupled system in anisotropic Orlicz-Sobolev spaces

F Ortegón Gallego, H Ouyahya, M Rhoudaf - 2022 - rodin.uca.es
We study the existence of a capacity solution for a nonlinear elliptic coupled system in
anisotropic Orlicz-Sobolev spaces. The unknowns are the temperature inside a …

On the existence of capacity solution for a perturbed thermistor problem in anisotropic Orlicz–Sobolev spaces

H Ouyahya, M Rhoudaf, H Talbi - Journal of Elliptic and Parabolic …, 2024 - Springer
In this paper, in the context of anisotropic Orlicz–Sobolev spaces, we analyze the existence
of a capacity solution to a system of two coupled perturbed elliptic equations, one of which …

[HTML][HTML] 3D numerical simulation of an anisotropic bead type thermistor and multiplicity of solutions

M Lahrache, FO Gallego, M Rhoudaf - Mathematics and Computers in …, 2024 - Elsevier
We perform some 3D numerical experiments for the approximation of the solutions to a bead
type thermistor problem. We consider the case of a diagonal anisotropic diffusion matrix …

The thermistor problem with conductivity vanishing for large temperature

X Xu - Proceedings of the Royal Society of Edinburgh Section …, 1994 - cambridge.org
We consider the system (∂/∂ t) u=∆ u+ σ (u)|∇ φ| 2, div (σ (u)∇ φ)= 0 in a bounded region
of ℝN coupled with initial and boundary conditions, where σ (s)∈ C (ℝ) is nonnegative and …