Stratified radiative transfer in a fluid and numerical applications to earth science

F Golse, OR Pironneau - SIAM Journal on Numerical Analysis, 2022 - SIAM
New mathematical results are given for the radiative transfer equations alone and coupled
with the temperature equation of a fluid: existence, uniqueness, a maximum principle, and a …

The radiative transfer model for the greenhouse effect

C Bardos, O Pironneau - SeMA Journal, 2022 - Springer
Radiative transfer is at the heart of the mechanism to explain the greenhouse effect based
on the partial infrared opacity of carbon dioxide, methane and other greenhouse gases in …

Diffusive limits of the steady state radiative heat transfer system: Boundary layers

M Ghattassi, X Huo, N Masmoudi - Journal de Mathématiques Pures et …, 2023 - Elsevier
In this paper, we study the diffusive limit of the steady state radiative heat transfer system for
non-homogeneous Dirichlet boundary conditions in a bounded domain with flat boundaries …

Diffusion asymptotics of a coupled model for radiative transfer in a unit disk

L Li, Z Zhang, Q Ju - Journal of Differential Equations, 2023 - Elsevier
We consider the diffusion asymptotics of a coupled model arising in radiative transfer in a
unit disk in R 2 with one-speed velocity. The model consists of a kinetic equation satisfied by …

Stability of the nonlinear Milne problem for radiative heat transfer system

M Ghattassi, X Huo, N Masmoudi - Archive for Rational Mechanics and …, 2023 - Springer
This paper focuses on the nonlinear Milne problem of the radiative heat transfer system on
the half-space. The nonlinear model is described by a second order ODE for temperature …

Macroscopic auxiliary asymptotic preserving neural networks for the linear radiative transfer equations

H Li, S Jiang, W Sun, L Xu, G Zhou - arXiv preprint arXiv:2403.01820, 2024 - arxiv.org
We develop a Macroscopic Auxiliary Asymptotic-Preserving Neural Network (MA-APNN)
method to solve the time-dependent linear radiative transfer equations (LRTEs), which have …

Diffusive limits of the steady state radiative heat transfer system: Curvature effects

M Ghattassi, X Huo, N Masmoudi - arXiv preprint arXiv:2305.17661, 2023 - arxiv.org
This paper is devoted to the diffusive limit of the nonlinear radiative heat transfer system with
curved boundary domain (\textit {two dimensional disk}). The solution constructed in\cite …

Compactness and existence theory for a general class of stationary radiative transfer equations

E Demattè, JW Jang, JJL Velázquez - arXiv preprint arXiv:2401.12828, 2024 - arxiv.org
In this paper, we study the steady-states of a large class of stationary radiative transfer
equations in a $ C^ 1$ convex bounded domain. Namely, we consider the case in which …

Equilibrium and Non-Equilibrium diffusion approximation for the radiative transfer equation

E Demattè, JJL Velázquez - arXiv preprint arXiv:2407.11797, 2024 - arxiv.org
In this paper we study the distribution of the temperature within a body where the heat is
transported only by radiation. Specifically, we consider the situation where both emission …

Hilbert expansion of a coupled model for radiative transfer in a unit disk: General initial and boundary data

L Li - Kinetic and Related Models, 2024 - aimsciences.org
We consider the diffusion asymptotic of a coupled model arising in radiative transfer in a unit
disk with general initial and boundary data. The model consists of a kinetic equation …