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We study the Navier-Stokes-Darcy-Boussinesq system that models the thermal convection of a fluid overlying a saturated porous medium in a general decomposed domain. In both two and three spatial dimensions, we first prove the existence of…

偏微分方程分析 · 数学 2024-08-21 Xiaoming Wang , Hao Wu

We consider the compressible Navier-Stokes system on time-dependent domains with prescribed motion of the boundary, supplemented with slip boundary conditions for the velocity. We derive the relative entropy inequality in the spirit of…

偏微分方程分析 · 数学 2016-06-16 Ondřej Kreml , Šárka Nečasová , Tomasz Piasecki

This article examines the smoothness of the solution to the Navier-Stokes equation from a novel perspective. Here, the existence of the smoother solution relative to x and to the time t was shown only for a finite time. Moreover, for each…

偏微分方程分析 · 数学 2025-07-15 Kamal N. Soltanov

In this paper we study the convergence rate of a finite volume approximation of the compressible Navier--Stokes--Fourier system. To this end we first show the local existence of a highly regular unique strong solution and analyse its global…

We introduce a framework to justify hydrodynamic limits of the Vlasov-Navier-Stokes system. We specifically study high friction regimes, which take into account the fact that particles of the dispersed phase are light (resp. small) compared…

偏微分方程分析 · 数学 2021-03-12 Daniel Han-Kwan , David Michel

We study the low-energy solutions to the 3D compressible Navier-Stokes-Poisson equations. We first obtain the existence of smooth solutions with small $L^2$-norm and essentially bounded densities. No smallness assumption is imposed on the…

偏微分方程分析 · 数学 2020-11-12 Anthony Suen

We prove the existence of global-in-time weak solutions to a general class of models that arise from the kinetic theory of dilute solutions of nonhomogeneous polymeric liquids, where the polymer molecules are idealized as bead-spring chains…

偏微分方程分析 · 数学 2015-07-21 John W. Barrett , Endre Süli

We present a variational approach for the construction of Leray-Hopf solutions to the non-Newtonian Navier-Stokes system. Inspired by the work [42] on the corresponding Newtonian problem, we minimise certain stabilised Weighted…

偏微分方程分析 · 数学 2025-02-04 Christina Lienstromberg , Stefan Schiffer , Richard Schubert

We prove the existence of a weak solution to the compressible Navier--Stokes system with singular pressure that explodes when density achieves its congestion level. This is a quantity whose initial value evolves according to the transport…

偏微分方程分析 · 数学 2022-02-09 Milan Pokornyý , Aneta Wróblewska-Kamińska , Ewelina Zatorska

In the present work, we investigate a numerical one-dimensional solver to the Navier-Stokes equation that retains all terms, including both pressure and dissipation. Solutions to simple examples that illustrate the actions of the nonlinear…

流体动力学 · 物理学 2023-03-30 Preben Buchhave , Clara Marika Velte

We consider the Navier-Stokes-Fourier system on an unbounded domain in the Euclidean space $R^3$, supplemented by the far field conditions for the phase variables, specifically: $\rho \to 0,\ \vartheta \to \vartheta_\infty, \ u \to 0$ as $\…

偏微分方程分析 · 数学 2024-06-17 Elisabetta Chiodaroli , Eduard Feireisl

We prove a stability result of constant equilibria for the three-dimensional Navier-Stokes-Poisson system uniform in the inviscid limit. We allow the initial density to be close to a constant and the potential part of the initial velocity…

偏微分方程分析 · 数学 2020-11-17 Frédéric Rousset , Changzhen Sun

We show that weak solutions of degenerate Navier-Stokes equations converge to the strong solutions of the pressureless Euler system with linear drag term, Newtonian repulsion and quadratic confinement. The proof is based on the relative…

偏微分方程分析 · 数学 2019-06-04 José A. Carrillo , Aneta Wróblewska-Kamińska , Ewelina Zatorska

A simplified transient energy-transport system for semiconductors subject to mixed Dirichlet-Neumann boundary conditions is analyzed. The model is formally derived from the non-isothermal hydrodynamic equations in a particular vanishing…

偏微分方程分析 · 数学 2012-06-26 Ansgar Jüngel , René Pinnau , Elisa Röhrig

We study the finite time blow up of smooth solutions to the Compressible Navier-Stokes system when the initial data contain vacuums. We prove that any classical solutions of viscous compressible fluids without heat conduction will blow up…

偏微分方程分析 · 数学 2012-04-17 Xin Zhouping , Yan Wei

We are concerned with the so-called Boussinesq equations with partial viscosity. These equations consist of the ordinary incompressible Navier-Stokes equations with a forcing term which is transported {\it with no dissipation} by the…

偏微分方程分析 · 数学 2008-06-26 R. Danchin , M. Paicu

In this paper, we investigate numerically a diffuse interface model for the Navier-Stokes equation with fluid-fluid interface when the fluids have different densities \cite{Lowengrub1998}. Under minor reformulation of the system, we show…

数学物理 · 物理学 2015-06-18 Zhenlin Guo , Ping Lin , John S. Lowengrub

We consider the top Lyapunov exponent associated to the advection-diffusion and linearised Navier-Stokes equations on the two-dimensional torus. The velocity field is given by the stochastic Navier-Stokes equations driven by a…

概率论 · 数学 2024-11-18 Martin Hairer , Sam Punshon-Smith , Tommaso Rosati , Jaeyun Yi

In this paper, we study the zero-viscosity limit of the compressible Navier-Stokes equations in a half-space with non-slip boundary condition. We justify the Prandtl boundary layer expansion for the analytic data: the compressible…

偏微分方程分析 · 数学 2023-05-17 Chao Wang , Yuxi Wang , Zhifei Zhang

In this paper, we establish the pseudospectral bound for the linearized operator of the Navier-Stokes equations around the 3D Kolmogorov flow. Using the pseudospectral bound and the wave operator method introduced in [LWZ], we prove the…

偏微分方程分析 · 数学 2018-01-18 Te Li , Dongyi Wei , Zhifei Zhang
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