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In this paper, we study the Boltzmann equation in a close to the hydrodynamic limit regime, set in bounded spatial domains with non-isothermal Maxwell boundary conditions. We establish the existence, uniqueness, and asymptotic stability of…

偏微分方程分析 · 数学 2026-04-16 R Medina

In a general $C^1$ domain, we study the perturbative Cauchy theory for the Boltzmann equation with Maxwell boundary conditions with an accommodation coefficient $\alpha$ in $(\sqrt{2/3},1]$, and discuss this threshold. We consider…

偏微分方程分析 · 数学 2016-11-30 Marc Briant , Yan Guo

This paper investigates the Knudsen layer equation in half-space, arising from the hydrodynamic limit of the Boltzmann equation to fluid dynamics. We consider the Maxwell reflection boundary condition with accommodation coefficient…

偏微分方程分析 · 数学 2025-01-16 Ling-Bing He , Ning Jiang , Yulong Wu

We study the Boltzmann equation near a global Maxwellian in the case of bounded domains. We consider the boundary conditions to be either specular reflections or Maxwellian diffusion. Starting from the reference work of Guo in…

数学物理 · 物理学 2016-11-30 Marc Briant

Boundaries occur naturally in kinetic equations and boundary effects are crucial for dynamics of dilute gases governed by the Boltzmann equation. We develop a mathematical theory to study the time decay and continuity of Boltzmann solutions…

偏微分方程分析 · 数学 2015-05-13 Yan Guo

This work deals with the Landau equation in a bounded domain with the Maxwell reflection condition on the boundary for any (possibly smoothly position dependent) accommodation coefficient and for the full range of interaction potentials,…

偏微分方程分析 · 数学 2024-07-15 Kleber Carrapatoso , Stéphane Mischler

Higher regularity estimate has been a challenging question for the Boltzmann equation in bounded domains. Indeed, it is well-known to have "the non-existence of a second order derivative at the boundary" in [15] even for symmetric convex…

偏微分方程分析 · 数学 2021-03-29 Hongxu Chen , Chanwoo Kim

A basic question about regularity of Boltzmann solutions in the presence of physical boundary conditions has been open due to characteristic nature of the boundary as well as the non-local mixing of the collision operator. Consider the…

偏微分方程分析 · 数学 2017-01-31 Yan Guo , Chanwoo Kim , Daniela Tonon , Ariane Trescases

We study the Boltzmann equation in a smooth bounded domain featuring a mixed boundary condition. Specifically, gas particles experience specular reflection in two parallel plates, while diffusive reflection occurs in the remaining portion…

偏微分方程分析 · 数学 2024-01-03 Hongxu Chen , Renjun Duan

We establish the global-wellposedness and stability of the Boltzmann equation with the specular reflection boundary condition in general smooth convex domains when an initial datum is close to the Maxwellian with or without a small external…

偏微分方程分析 · 数学 2018-01-23 Chanwoo Kim , Donghyun Lee

Consider the stationary Boltzmann equation in 2D convex domains with diffusive boundary condition. In this paper, we establish the hydrodynamic limits while the boundary layers are present, and derive the steady Navier-Stokes-Fourier system…

偏微分方程分析 · 数学 2021-08-25 Lei Wu

In rotationally symmetric domains, the Boltzmann equation with specular reflection boundary condition has a special type of equilibrium states called the rotational local Maxwellian which, unlike the uniform Maxwellian, has an additional…

偏微分方程分析 · 数学 2011-10-04 Chanwoo Kim , Seok-Bae Yun

We derive the expressions of the local Maxwellians that solve the Boltzmann equation in the interior of an open domain. We determine which of these local Maxwellians satisfy the Boltzmann equation in a regular domain with boundary, without…

偏微分方程分析 · 数学 2025-01-08 Théophile Dolmaire

A basic question about the existence and stability of the Boltzmann equation in general non-convex domain with the specular reflection boundary condition has been widely open. In this paper, we consider cylindrical domains whose cross…

偏微分方程分析 · 数学 2018-05-01 Chanwoo Kim , Donghyun Lee

The initial-boundary value problem for the inhomogeneous non-cutoff Boltzmann equation is a challenging open problem. In this paper, we study the stability and long-time dynamics of the Boltzmann equation near a global Maxwellian without…

偏微分方程分析 · 数学 2025-02-28 Dingqun Deng

We prove the acoustic limit from the Boltzmann equation with hard sphere collisions and the Maxwell reflection boundary condition. Our construction of solutions include the interior fluid part and Knudsen-viscous coupled boundary layers.…

偏微分方程分析 · 数学 2025-01-16 Ning Jiang , Yulong Wu

The paper is devoted to constructing the global solutions around global Maxwellians to the initial-boundary value problem on the Boltzmann equation in general bounded domains with isothermal diffuse reflection boundaries. We allow a class…

偏微分方程分析 · 数学 2018-11-14 Renjun Duan , Yong Wang

The Boltzmann equation is a fundamental kinetic equation that describes the dynamics of dilute gas. In this paper we study the regularity of both dynamical and steady Boltzmann equation in strictly convex domain with the Cercignani-Lampis…

偏微分方程分析 · 数学 2021-05-24 Hongxu Chen

The Boltzmann equation is a fundamental equation in kinetic theory that describes the motion of rarefied gases. In this study, we examine the Boltzmann equation within a $C^1$ bounded domain, subject to a large external potential $\Phi(x)$…

偏微分方程分析 · 数学 2025-06-10 Jong-in Kim , Donghyun Lee

We study steady Boltzmann equation in half-space, which arises in the Knudsen boundary layer problem, with diffusive reflection boundary conditions. Under certain admissible conditions and the source term decaying exponentially, we…

偏微分方程分析 · 数学 2021-04-09 Yong Wang , Feimin Huang
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