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We show the existence of weak solutions to the fluid-structure interaction problem of a largely deforming viscoelastic bulk solid with a viscous fluid governed by the incompressible Navier-Stokes equations. In contrast to previous works,…

偏微分方程分析 · 数学 2026-03-13 Antonín Češík , Malte Kampschulte , Sebastian Schwarzacher

We investigate the hydrodynamic limit of weak solutions to compressible Navier-Stokes-Vlasov-Poisson equations with local alignment force in three-dimensional torus domain. Due to the absence of dissipation terms in particle equation, it is…

偏微分方程分析 · 数学 2025-11-11 Yunfei Su , Lei Yao

In this paper we consider the Navier-Stokes equations supplemented with either the Dirichlet or vorticity-based Navier boundary conditions. We prove that weak solutions obtained as limits of solutions to the Navier-Stokes-Voigt model…

偏微分方程分析 · 数学 2016-05-17 Luigi C. Berselli , Stefano Spirito

We establish the equivalence between weak and viscosity solutions for non-homogeneous $p(x)$-Laplace equations with a right-hand side term depending on the spatial variable, the unknown, and its gradient. We employ inf- and sup-convolution…

偏微分方程分析 · 数学 2021-12-28 María Medina , Pablo Ochoa

We consider the flow of two viscous and incompressible fluids within a bounded domain modeled by means of a two-phase Navier-Stokes system. The two fluids are assumed to be immiscible, meaning that they are separated by an interface. With…

偏微分方程分析 · 数学 2022-08-24 Sebastian Hensel , Alice Marveggio

The steady motion of a viscous incompressible fluid in a junction of unbounded channels with sources and sinks is modeled through the Navier-Stokes equations under inhomogeneous Dirichlet boundary conditions. In contrast to many previous…

偏微分方程分析 · 数学 2025-05-21 Filippo Gazzola , Mikhail V. Korobkov , Xiao Ren , Gianmarco Sperone

In this paper we prove the existence of global weak dissipative martingale solutions for a one-dimensional compressible fluid model with capillarity and density dependent viscosity, driven by random initial data and a stochastic forcing…

偏微分方程分析 · 数学 2024-12-17 Donatella Donatelli , Lorenzo Pescatore , Stefano Spirito

We consider the Cauchy problem for incompressible viscoelastic fluids in the whole space $\mathbb{R}^d$ ($d=2,3$). By introducing a new decomposition via Helmholtz's projections, we first provide an alternative proof on the existence of…

偏微分方程分析 · 数学 2023-07-28 Xianpeng Hu , Hao Wu

This paper concerns the existence of global weak solutions to the barotropic compressible Navier-Stokes equations with degenerate viscosity coefficients. We construct suitable approximate system which has smooth solutions satisfying the…

偏微分方程分析 · 数学 2015-11-12 Jing Li , Zhouping Xin

So far existence of dissipative weak solutions for the compressible Navier-Stokes equations (i.e. weak solutions satisfying the relative energy inequality) is known only in the case of boundary conditions with non zero inflow/outflow (i.e.,…

偏微分方程分析 · 数学 2019-05-08 Young-Sam Kwon , Antonin Novotny , Vladyslav Satko

We study the motion of the steady compressible heat conducting viscous fluid in a bounded three dimensional domain governed by the compressible Navier-Stokes-Fourier system. Our main result is the existence of a weak solution to these…

偏微分方程分析 · 数学 2007-09-24 Piotr B. Mucha , Milan Pokorny

We study a 3D nonlinear moving boundary fluid-structure interaction problem describing the interaction of the fluid flow with a rigid body. The fluid flow is governed by 3D incompressible Navier-Stokes equations, while the motion of the…

偏微分方程分析 · 数学 2020-11-25 Boris Muha , Šárka Nečasová , Ana Radošević

We look at a homogeneous incompressible fluid with a time and space variable rheology of Bingham type, which is governed by a coupling equation. Such a system is a simplified model for a gas-particle mixture that flows under the influence…

偏微分方程分析 · 数学 2016-10-17 Laurent Chupin , Jordane Mathé

In this article the question on uniqueness of weak solution of the incompressible Navier-Stokes Equations in the 3-dimensional case is studied. Here the investigation is carried out with use of another approach. The uniqueness of velocity…

偏微分方程分析 · 数学 2020-09-29 Kamal N. Soltanov

We prove existence of weak solutions for a diffuse interface model for the flow of two viscous incompressible Newtonian fluids in a bounded domain in two and three space dimensions. In contrast to previous works, we study a new model…

偏微分方程分析 · 数学 2015-06-03 Helmut Abels , Daniel Depner , Harald Garcke

We consider the compressible Navier-Stokes system describing the motion of a viscous fluid confined to a straight layer $\Omega_{\delta}=(0,\delta)\times\mathbb{R}^2$. We show that the weak solutions in the 3D domain converge strongly to…

偏微分方程分析 · 数学 2020-01-29 Matteo Caggio , Donatella Donatelli , Sarka Necasova , Yongzhong Sun

In this paper, the system of particles coupled with fluid is considered. The particles are described by a Vlasov equation, and the fluid is governed by a forced Navier-Stokes equations. The interaction with fluid phase governed by…

偏微分方程分析 · 数学 2012-11-28 Cheng Yu

We extend the weak-strong uniqueness principle to general models of compressible viscous fluids near/on the vacuum. In particular, the physically relevant case of positive density with polynomial decay at infinity is considered.

偏微分方程分析 · 数学 2021-09-01 Eduard Feireisl , Antonin Novotny

In this paper, we consider the inviscid limit of the incompressible Navier-Stokes equations in a smooth, bounded and simply connected domain $\Omega \subset \mathbb{R}^d, d=2,3$. We prove that for a vortex patch initial data the weak Leray…

偏微分方程分析 · 数学 2010-04-26 Quansen Jiu , Yun Wang

The Navier-Stokes system for an incompressible fluid coupled with the equation for a heat transfer is considered in the whole three dimensional space. This system is invariant under a suitable scaling. Using the Leray-Schauder theorem and…

偏微分方程分析 · 数学 2025-01-14 Lorenzo Brandolese , Grzegorz Karch