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We consider the compressible Navier-Stokes-Fourier system on time-dependent domains with prescribed motion of the boundary, supplemented with slip boundary conditions for the velocity. Assuming that the pressure can be decomposed into an…

偏微分方程分析 · 数学 2015-11-17 Ondrej Kreml , Vaclav Macha , Sarka Necasova , Aneta Wroblewska-Kaminska

A compressible Oldroyd--B type model with stress diffusion is derived from a compressible Navier--Stokes--Fokker--Planck system arising in the kinetic theory of dilute polymeric fluids, where polymer chains immersed in a barotropic,…

偏微分方程分析 · 数学 2016-08-16 John W. Barrett , Yong Lu , Endre Süli

The Boussinesq approximation is a cornerstone of geophysical fluid dynamics, yet its thermodynamic and energetic underpinnings have remained ambiguous. In standard formulations, the links with the fully compressible Navier--Stokes equations…

流体动力学 · 物理学 2025-12-23 R. Tailleux , T. Dubos , B. J. Hatton

In this paper, we discuss a Donaldson's version of the modified $K$-energy associated to the Calabi's extremal metrics on toric manifolds and prove the existence of the weak solution for extremal metrics in the sense of convex functions…

微分几何 · 数学 2007-05-23 Bin Zhou , Xiaohua Zhu

In this paper, we consider the two-dimensional (2D) incompressible Boussinesq system with fractional Laplacian dissipation and thermal diffusion. Based on the previous works and some new observations, we show that the condition $1-\alpha…

偏微分方程分析 · 数学 2015-10-15 Zhuan Ye

We prove that an implicit time Euler scheme for the 2D-Boussinesq model on the torus $D$ converges. Various moment of the $W^{1,2}$-norms of the velocity and temperature, as well as their discretizations, are computed. We obtain the optimal…

概率论 · 数学 2022-11-21 Hakima Bessaih , Annie Millet

We consider 3D stochastic Landau-Lifshitz-Gilbert equations coupled with the Maxwell equations with the full energy. We have proved the existence and some further regularities of the weak solution.

概率论 · 数学 2024-01-29 Zdzislaw Brzezniak , Ben Goldys , Liang Li

We show that for any $\gamma < \frac{1}{3}$ there exist H\"{o}lder continuous weak solutions $v \in C^{\gamma}([0,T] \times \mathbb{T}^2)$ of the two-dimensional incompressible Euler equations that strictly dissipate the total kinetic…

偏微分方程分析 · 数学 2025-11-18 Lili Du , Xinliang Li , Weikui Ye

We prove that there exists a~large-data and global-in-time weak solution to a~system of partial differential equations describing an unsteady flow of an incompressible heat-conducting rate-type viscoelastic stress-diffusive fluid filling up…

偏微分方程分析 · 数学 2025-04-18 Michal Bathory , Miroslav Bulíček , Josef Málek

We establish the existence of smooth, finite-energy solutions to the 2D incompressible porous media equation (IPM), with a compactly supported uniformly smooth source, which develop singularities in finite time.

偏微分方程分析 · 数学 2025-02-14 Diego Córdoba , Luis Martínez-Zoroa

We consider the 2-d isentropic compressible Euler equations. It was shown in by E. Chiodaroli, C. De Lellis and O. Kreml that there exist Riemann initial data as well as Lipschitz initial data for which there exist infinitely many weak…

偏微分方程分析 · 数学 2019-01-21 Simon Markfelder , Christian Klingenberg

The present paper is concerned with the Cauchy-Dirichlet problem for fractional (and non-fractional) nonlinear diffusion equations posed in bounded domains. Main results consist of well-posedness in an energy class with no sign restriction…

偏微分方程分析 · 数学 2024-04-18 Goro Akagi , Florian Salin

Smooth solutions of the forced incompressible Euler equations satisfy an energy balance, where the rate-of-change in time of the kinetic energy equals the work done by the force per unit time. Interesting phenomena such as turbulence are…

偏微分方程分析 · 数学 2024-04-22 Fabian Jin , Samuel Lanthaler , Milton C. Lopes Filho , Helena J. Nussenzveig Lopes

The 2D conservative Boussinesq system describes inviscid, incompressible, buoyant fluid flow in gravity field. The possibility of finite time blow up for solutions of this system is a classical problem of mathematical hydrodynamics. We…

偏微分方程分析 · 数学 2015-06-18 Kyudong Choi , Alexander Kiselev , Yao Yao

In this paper, we investigate the global existence and uniqueness of strong solutions to 2D Boussinesq system with anisotropic thermal diffusion or anisotropic viscosity and with striated initial data. Using the key idea of Chemin to solve…

偏微分方程分析 · 数学 2020-01-29 Marius Paicu , Ning Zhu

In this note we show that all small solutions in the energy space of the generalized 1D Boussinesq equation must decay to zero as time tends to infinity, strongly on slightly proper subsets of the space-time light cone. Our result does not…

偏微分方程分析 · 数学 2018-03-14 Claudio Muñoz , Felipe Poblete , Juan C. Pozo

We study a model for a fluid showing viscoelastic and viscoplastic behavior, which describes the flow in terms of the fluid velocity and an internal stress. This stress tensor is transported via the Zaremba--Jaumann rate, and it is subject…

偏微分方程分析 · 数学 2023-12-22 Thomas Eiter , Katharina Hopf , Robert Lasarzik

We prove the global well-posedness of the two-dimensional Boussinesq equations with zero viscosity and positive diffusivity in bounded domains for rough initial data [ $u_{0}\in L^{2}$, $\text{curl}\,u_{0}\in L^{\infty}$ and $\theta_{0}\in…

偏微分方程分析 · 数学 2020-08-05 Daoguo Zhou , Zilai Li

We explore probabilistic approaches to the deterministic energy equality for the forced Surface Quasi-Geostrophic (SQG) equation on a torus. First, we prove the zero-noise dynamical large deviations for a corresponding stochastic SQG…

概率论 · 数学 2025-12-19 Lin Wang , Zhengyan Wu

This paper is concerned with the initial-boundary value problem to 2D magnetohydrodynamics-Boussinesq system with the temperature-dependent viscosity, thermal diffusivity and electrical conductivity. First, we establish the global weak…

偏微分方程分析 · 数学 2017-02-28 Dongfen Bian , Jitao Liu