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A well-known unsolved problem (in the classical theory of fluid mechanics) is to identify a set of initial velocities, which may depend on the viscosity, the body forces and possibly the boundary of the fluid that will allow global in time…

数学物理 · 物理学 2010-09-22 Tepper L Gill , Woodford W. Zachary

The continuity of the kinetic energy is an important property of incompressible viscous fluid flows. We show that for any prescribed finite energy divergence-free initial data there exist infinitely many global in time weak solutions with…

偏微分方程分析 · 数学 2024-07-25 Alexey Cheskidov , Zirong Zeng , Deng Zhang

In this paper we establish a sharp non-uniqueness result for stochastic $d$-dimensional ($d\geq2$) incompressible Navier-Stokes equations. First, for every divergence free initial condition in $L^2$ we show existence of infinite many global…

概率论 · 数学 2022-08-18 Weiquan Chen , Zhao Dong , Xiangchan Zhu

A new probabilistic representation is presented for solutions of the incompressible Navier-Stokes equations in 3 dimensions with given forcing and initial velocity. This representation expresses solutions as scaled conditional expectations…

概率论 · 数学 2007-05-23 M. Ossiander

We are concerned with the power-law fluids driven by an additive stochastic forcing in dimension $d\geq3$. For the power index $r\in(1,\frac{3d+2}{d+2})$, we establish existence of infinitely many global-in-time probabilistically strong and…

概率论 · 数学 2022-09-07 Huaxiang Lü , Xiangchan Zhu

We are concerned with the three dimensional navier-stokes equations driven by a general multiplicative noise. For every divergence free and mean free initial condition in L2, we establish existence of infinitely many global-in-time…

概率论 · 数学 2025-05-13 Huaxiang Lv , Yichun Zhu

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 the global-in-time existence of weak solutions to the Navier-Stokes equations of compressible isentropic flow in three space dimensions with adiabatic exponent $\gamma\ge1$. Initial data and solutions are small in $L^2$ around a…

偏微分方程分析 · 数学 2015-05-30 Anthony Suen

We show global existence and non-uniqueness of probabilistically strong, analytically weak solutions of the three-dimensional Navier-Stokes equations perturbed by Stratonovich transport noise. We can prescribe either: \emph{i}) any…

概率论 · 数学 2023-11-01 Umberto Pappalettera

In this paper, we prove the existence of global weak solutions to the compressible two-fluid Navier-Stokes equations in three dimensional space. The pressure depends on two different variables from the continuity equations. We develop an…

偏微分方程分析 · 数学 2017-10-17 Alexis Vasseur , Huanyao Wen , Cheng Yu

This article studies the uniqueness of the weak solution of the incompressible Navier-Stokes Equations in the 3-dimensional case. Here, the investigation is provided using two different approaches. The first (the main) result is obtained…

偏微分方程分析 · 数学 2024-05-20 Kamal N. Soltanov

We establish global-in-time existence and non-uniqueness of probabilistically strong solutions to the three dimensional Navier--Stokes system driven by space-time white noise. In this setting, solutions are expected to have space regularity…

偏微分方程分析 · 数学 2021-12-30 Martina Hofmanová , Rongchan Zhu , Xiangchan Zhu

In this paper we study the stochastic Navier-Stokes equation with artificial compressibility. The main results of this work are the existence and uniqueness theorem for strong solutions and the limit to incompressible flow. These results…

概率论 · 数学 2010-12-07 Utpal Manna , Jose-Luis Menaldi , Sivaguru S. Sritharan

We consider a stochastic perturbation of the $\alpha$-Navier-Stokes model. The stochastic perturbation is an additive space-time noise of trace class. Under a natural condition about the trace of operator $Q$ in front of the noise, we prove…

概率论 · 数学 2020-05-26 Ludovic Goudenège , Luigi Manca

We prove uniqueness of weak solutions of the three-dimensional compressible Navier-Stokes equations with potential force. We make use of the Lagrangean framework in comparing the instantaneous states of corresponding fluid particles in two…

偏微分方程分析 · 数学 2020-12-15 Anthony Suen

Here we investigate 3-dimensional Navier-Stokes Equations in the incompressible case with use of different approach and we prove the uniqueness of the weak solutions for the data from the space, which is dense in usual space of data.…

偏微分方程分析 · 数学 2016-12-28 Kamal N. Soltanov

In this paper, we prove the global existence and uniqueness of solution to d-dimensional (for $d=2,3$) incompressible inhomogeneous Navier-Stokes equations with initial density being bounded from above and below by some positive constants,…

偏微分方程分析 · 数学 2013-01-03 Marius Paicu , Ping Zhang , Zhifei Zhang

This paper introduces a novel class of initial data for which the three-dimensional incompressible Navier--Stokes equations yield unique global-in-time solutions. Building on a logarithmically improved regularity criterion, we impose a…

偏微分方程分析 · 数学 2025-03-27 Rishabh Mishra

We prove the global existence and uniqueness of strong solutions for a compressible multifluid described by the barotropic Navier-Stokes equations in dim = 1. The result holds when the diffusion coefficient depends on the pressure. It…

数学物理 · 物理学 2010-12-30 C. Michoski , A. Vasseur

We investigate the Markov property and the continuity with respect to the initial conditions (strong Feller property) for the solutions to the Navier-Stokes equations forced by an additive noise. First, we prove, by means of an abstract…

概率论 · 数学 2007-05-23 F. Flandoli , M. Romito
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