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We prove the existence of weak solutions to steady, compressible non-Newtonian Navier-Stokes system on a bounded, two- or three-dimensional domain. Assuming the viscous stress tensor is monotone satisfying a power-law growth with power $r$…

Analysis of PDEs · Mathematics 2024-01-11 Cosmin Burtea , Maja Szlenk

We introduce a novel concept of dissipative measure-valued martingale solution to the stochastic Euler equations describing the motion of an inviscid incompressible fluid. These solutions are characterized by a parametrized Young measure…

Analysis of PDEs · Mathematics 2020-12-21 Abhishek Chaudhary , Ujjwal Koley

In this paper we study a vanishing pressure process for highly compressible Navier-Stokes equations as the Mach number tends to infinity. We first prove the global existence of weak solutions for the pressureless system in the framework…

Analysis of PDEs · Mathematics 2017-11-22 Zhilei Liang

Classical vorticity solution branches of the three dimensional incompressible Euler equation are constructed where a velocity component can blow up at some point after finite time for regular data in H2. Furthermore, vorticity can blow up…

Analysis of PDEs · Mathematics 2016-04-29 Joerg Kampen

We prove that bounded weak solutions of the compressible Euler equations will conserve thermodynamic entropy unless the solution fields have sufficiently low space-time Besov regularity. A quantity measuring kinetic energy cascade will also…

Analysis of PDEs · Mathematics 2018-04-16 Theodore D. Drivas , Gregory L. Eyink

In this paper, we consider two systems modelling the evolution of a rigid body in an incompressible fluid in a bounded domain of the plane. The first system corresponds to an inviscid fluid driven by the Euler equation whereas the other one…

Analysis of PDEs · Mathematics 2024-12-30 Olivier Glass , Franck Sueur

Assuming that initial velocity and initial vorticity are bounded in the plane, we show that on a sufficiently short time interval the unique solutions of the Navier-Stokes equations converge uniformly to the unique solution of the Euler…

Analysis of PDEs · Mathematics 2008-08-27 Elaine Cozzi

The weak solution to the Navier-Stokes equations in a bounded domain $D \subset \mathbb{R}^3$ with a smooth boundary is proved to be unique provided that it satisfies an additional requirement. This solution exists for all $t \geq 0$. In a…

Mathematical Physics · Physics 2012-09-11 A. G. Ramm

The Navier-Stokes equations for viscous, incompressible fluids are studied in the three-dimensional periodic domains, with the body force having an asymptotic expansion, when time goes to infinity, in terms of power-decaying functions in a…

Analysis of PDEs · Mathematics 2018-03-16 Dat Cao , Luan Hoang

We prove a rigorous convergence result for the compressible to incompressible limit of weak entropy solutions to the isothermal 1D Euler equations.

Analysis of PDEs · Mathematics 2013-08-20 Rinaldo M. Colombo , Graziano Guerra , Veronika Schleper

In a three-dimensional bounded domain $\Omega$ we consider the compressible Navier-Stokes equations for a barotropic fluid with general non-linear density dependent viscosities and no-slip boundary conditions. A nonlinear drag term is added…

Analysis of PDEs · Mathematics 2025-02-11 Luca Bisconti , Matteo Caggio , Filippo Dell'Oro

In this paper we give elementary proofs of energy conservation for weak solutions to the Euler and Navier-Stokes equations in the class of H\"older continuous functions, relaxing some of the assumptions on the time variable (both…

Analysis of PDEs · Mathematics 2022-07-08 Luigi C. Berselli

We say that the solution u to the Navier-Stokes equations converges to a solution v to the Euler equations in the vanishing viscosity limit if u converges to v in the energy norm uniformly over a finite time interval. Working specifically…

Mathematical Physics · Physics 2009-03-18 James P Kelliher

We consider the 2-D incompressible Euler equations in a bounded domain and show that local weak solutions are exponentially integrable, uniformly in time, under minimal integrability conditions. This is a Serrin-type interior regularity…

Analysis of PDEs · Mathematics 2016-04-25 Juhana Siljander , José Miguel Urbano

We show the existence of (a class of) weak solutions to the three-dimensional stationary incompressible inhomogeneous Navier--Stokes equations with density-dependent viscosity coefficient in the axially symmetric case. Further symmetric…

Analysis of PDEs · Mathematics 2025-01-08 Zihui He

We prove some criteria for the convergence of weak solutions of the 2D incompressible Navier-Stokes equations with Navier slip boundary conditions to a strong solution of incompressible Euler. The slip rate depends on a power of the…

Analysis of PDEs · Mathematics 2017-01-30 Yasunori Maekawa , Matthew Paddick

We prove an extension theorem for local solutions of the 3d incompressible Euler equations. More precisely, we show that if a smooth vector field satisfies the Euler equations in a spacetime region $\Omega\times(0,T)$, one can choose an…

Analysis of PDEs · Mathematics 2025-10-01 Alberto Enciso , Javier Peñafiel-Tomás , Daniel Peralta-Salas

The uniqueness of entropy solution for the compressible Euler equations is a fundamental and challenging problem. In this paper, the uniqueness of a composite wave of shock and rarefaction of 1-d compressible Euler equations is proved in…

Analysis of PDEs · Mathematics 2023-03-23 Feimin Huang , Weiqiang Wang , Yi Wang , Yong Wang

In this note, we show the existence of regular solutions to the stationary version of the Navier-Stokes system for compressible fluids with a density dependent viscosity, known as the shallow water equations. For arbitrary large forcing we…

Analysis of PDEs · Mathematics 2016-07-15 Šimon Axmann , Piotr B. Mucha , Milan Pokorný

We study the vanishing viscosity limit for the three-dimensional incompressible Navier-Stokes equations in terms of the relative vorticity in the setting of axisymmetric velocity fields without swirl. We show that the weak convergence of…

Analysis of PDEs · Mathematics 2023-03-06 Patrick Brkic , Emil Wiedemann