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We study the computability of global solutions to linear Schr\"odinger equations with magnetic fields and the Hartree equation on $\mathbb R^3$. We show that the solution can always be globally computed with error control on the entire…

数值分析 · 数学 2021-01-27 Simon Becker , Jonathan Sewell , Euan Tebbutt

This paper investigates the non-resistive compressible magnetohydrodynamic (MHD) equations in $\mathbb{R}^2$. We establish the global existence and stability of classical solutions for initial data sufficiently close to a constant…

偏微分方程分析 · 数学 2026-05-22 Yi Zhu

We obtain existence and conormal Sobolev regularity of strong solutions to the 3D compressible isentropic Navier-Stokes system on the half-space with a Navier boundary condition, over a time that is uniform with respect to the viscosity…

偏微分方程分析 · 数学 2014-10-13 Matthew Paddick

We investigate the initial-boundary value problem for one-dimensional compressible, heat-conductive, non-resistive MHD equations of viscous, ideal polytropic fluids in the Lagrangian coordinates. The existence and Lipschitz continuous…

偏微分方程分析 · 数学 2017-10-30 Yang Li , Yongzhong Sun

We present a new mesoscale model for ionic liquids based on a low Mach number fluctuating hydrodynamics formulation for multicomponent charged species. The low Mach number approach eliminates sound waves from the fully compressible…

流体动力学 · 物理学 2020-09-23 Katherine Klymko , Sean P. Carney , Andrew Nonaka , Alejandro L. Garcia , John B. Bell

This paper is concerned with a compressible MHD equations describing the evolution of viscous non-resistive fluids in piecewise regular bounded Lipschitz domains. Under the general inflow-outflow boundary conditions, we prove existence of…

偏微分方程分析 · 数学 2025-01-28 Yang Li , Young-Sam Kwon , Yongzhong Sun

This paper establishes the global existence and uniqueness of smooth solutions to the two-dimensional compressible magnetohydrodynamic system when the initial data is close to an equilibrium state. In addition, explicit large-time decay…

偏微分方程分析 · 数学 2017-03-31 Jiahong Wu , Yifei Wu

In this paper, we consider the 3-D compressible isentropic radiation hydrodynamics (RHD) equations. The local existence of strong solutions with vacuum is firstly established when the initial data is arbitrarily large, contains vacuum and…

偏微分方程分析 · 数学 2014-11-03 Yachun Li , Shengguo Zhu

We consider the 3D compressible isentropic Euler equations describing the motion of a liquid in an unbounded initial domain with a moving boundary and a fixed flat bottom at finite depth. The liquid is under the influence of gravity and…

偏微分方程分析 · 数学 2026-05-08 Chenyun Luo , Junyan Zhang

In this note we consider the ideal compressible magneto-hydrodynamics (MHD) equations in a special two dimensional setting. We show that there exist particular initial data for which one obtains infinitely many entropy-conserving weak…

偏微分方程分析 · 数学 2021-02-04 Christian Klingenberg , Simon Markfelder

In one-dimensional unbounded domains, we consider the equations of a planar compressible magnetohydrodynamic (MHD) flow with constant viscosity and heat conductivity. More precisely, we prove the global existence of strong solutions to the…

偏微分方程分析 · 数学 2020-09-22 Boqiang Lü , Xiaoding Shi , Chengfeng Xiong

We prove that the smooth solutions to the Cauchy problem for the three-dimensional compressible barotropic magnetohydrodynamic equations with conserved total mass and finite total energy lose the initial smoothness within a finite time.…

偏微分方程分析 · 数学 2009-12-16 Olga Rozanova

In the present paper, we prove the a priori estimates of Sobolev norms for a free boundary problem of the incompressible inviscid MHD equations in all physical spatial dimensions $n=2$ and 3 by adopting a geometrical point of view used in…

偏微分方程分析 · 数学 2014-04-23 Chengchun Hao , Tao Luo

We start with the classic result that the Cauchy problem for ideal compressible gas dynamics is locally well posed in time in the sense of Hadamard; there is a unique solution that depends continuously on initial data in Sobolev space $H^s$…

偏微分方程分析 · 数学 2016-11-18 Barbara Lee Keyfitz , Feride Tiglay

In this paper, we establish the existence of strong solutions to the steady non-isentropic compressible Navier-Stokes system with Dirichlet boundary conditions in bounded domains where the fluid is driven by the wall temperature, and…

偏微分方程分析 · 数学 2024-07-24 Feimin Huang , Weiqiang Wang , Yong Wang

We address the compressible magnetohydrodynamics (MHD) equations in $\mathbb{R}^3$ and establish a blow-up criterion for the local strong solutions in terms of the density only. Namely, if the density is away from vacuum ($\rho= 0$) and the…

偏微分方程分析 · 数学 2020-12-08 Anthony Suen

We study high Mach number limit of the one dimensional piston problem for the full compressible Euler equations of polytropic gas, for both cases that the piston rushes into or recedes from the uniform still gas, at a constant speed. There…

偏微分方程分析 · 数学 2020-02-19 Aifang Qu , Hairong Yuan , Qin Zhao

We consider a quasilinear nonhomogeneous, anisotropic Maxwell system in a bounded smooth domain of $\mathbb{R}^{3}$ with a strictly positive conductivity subject to the boundary conditions of a perfect conductor. Under appropriate…

偏微分方程分析 · 数学 2018-10-31 Irena Lasiecka , Michael Pokojovy , Roland Schnaubelt

While traditional approaches to prevent the carbuncle phenomenon in gas dynamics simulations increase the viscosity on entropy and shear waves near shocks, it was quite recently suggested to instead decrease the viscosity on the acoustic…

数值分析 · 数学 2021-02-15 Friedemann Kemm

In the present paper, we consider the compressible Navier--Stokes--Korteweg system on the $2$D whole plane and show that a unique global solution exists in the scaling critical Fourier--Besov spaces for arbitrary large initial data provided…

偏微分方程分析 · 数学 2024-10-14 Mikihiro Fujii , Yang Li