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Related papers: Existence results for integral viscoelastic fluids

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A scalar constitutive law is obtained for dense granular flows, both in the inertial regime where the grain inertia dominates, and in the viscous regime. Considering a pair of grains rather than a single grain, the classical arguments yield…

Soft Condensed Matter · Physics 2008-09-17 Pierre Rognon , Cyprien Gay

We discuss and illustrate through numerical examples the relations between generating functionals, thermodynamic consistency (in particular the virial-free energy one), and uniqueness of the solution, in the integral equation theory of…

Condensed Matter · Physics 2009-11-10 R. Fantoni , G. Pastore

The formation of singularity and breakdown of classical solutions to the three-dimensional compressible viscoelasticity and inviscid elasticity are considered. For the compressible inviscid elastic fluids, the finite-time formation of…

Analysis of PDEs · Mathematics 2011-09-08 Xianpeng Hu , Dehua Wang

Long-time and large-data existence of weak solutions for initial- and boundary-value problems concerning three-dimensional flows of \emph{incompressible} fluids is nowadays available not only for Navier--Stokes fluids but also for various…

Analysis of PDEs · Mathematics 2023-08-16 Miroslav Bulíček , Josef Málek , Erika Maringová

In this paper, we consider the initial-boundary value problem of three-dimensional isentropic compressible Navier-Stokes equations with rotating effect terms in an exterior domain with Navier-slip boundary condition and with far-field…

Analysis of PDEs · Mathematics 2021-12-16 Tuowei Chen , Yongqian Zhang

The dynamical boundary value problem for viscoelastic half-space with cut in the form of a strip is considered. The problem is reduced to the singular integral equation of first kind. Using the method of orthogonal polynomials, the integral…

Mathematical Physics · Physics 2025-10-22 N. Shavlakadze , N. Odishelidze , B. Pachulia , F. Criado-Aldeanueva

In the paper we prove the existence results for initial-value boundary value problems for compressible isothermal Navier-Stokes equations. We restrict ourselves to 2D case of a problem with no-slip condition for nonstationary motion of…

Analysis of PDEs · Mathematics 2014-07-11 P. I. Plotnikov , W. Weigant

We study the existence and uniqueness of global strong solutions to the equations of an incompressible viscoelastic fluid in a spatially periodic domain, and show that a unique strong solution exists globally in time if the initial…

Analysis of PDEs · Mathematics 2020-09-15 Fei Jiang , Song Jiang

We consider a class of viscous fluids with a general monotone dependence of the viscous stress on the symmetric velocity gradient. We introduce the concept of dissipative solution to the associated initial boundary value problem inspired by…

Analysis of PDEs · Mathematics 2019-06-04 A. Abbatiello , E. Feireisl

The initial value problem for a coupled system is studied. The system consists of a differential inclusion and a differential equation and models the fluid flow of a viscoelastic fluid of Oldroyd type. The set-valued right-hand side of the…

Analysis of PDEs · Mathematics 2022-09-13 André Eikmeier

Viscoelastic rate-type fluids are popular models of choice in many applications involving flows of fluid-like materials with complex micro-structure. A well-developed mathematical theory for the most of these classical fluid models is…

Analysis of PDEs · Mathematics 2024-03-27 Miroslav Bulíček , Tomáš Los , Josef Málek

We prove existence and regularity of the stochastic flows used in the stochastic Lagrangian formulation of the incompressible Navier-Stokes equations (with periodic boundary conditions), and consequently obtain a $\holderspace{k}{\alpha}$…

Analysis of PDEs · Mathematics 2010-03-16 Gautam Iyer

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,…

Analysis of PDEs · Mathematics 2026-03-13 Antonín Češík , Malte Kampschulte , Sebastian Schwarzacher

This paper is concerned with the application of finite element methods to obtain solutions for steady fully developed second-grade flows in a curved pipe of circular cross-section and arbitrary curvature ratio, under a given axial pressure…

Analysis of PDEs · Mathematics 2017-07-06 Nadir Arada , Paulo Correia

We study the dynamics of small perturbations to the rest state of a viscoelastic rate type fluid with temperature dependent material parameters. We show that if the material parameters are chosen appropriately, then the quiescent state of…

Fluid Dynamics · Physics 2017-05-24 Judith Stein , Vít Průša

First, a new sufficient condition for uniqueness of weak solutions is proved for the system of 2D viscous Primitive Equations. Second, global existence and uniqueness are established for several classes of weak solutions with partial…

Analysis of PDEs · Mathematics 2018-08-10 Ning Ju

The steady problem resulting from a mixture of two distinct fluids of power-law type is analyzed in this work. Mathematically, the problem results from the superposition of two power laws, one for a constant power-law index with other for a…

Analysis of PDEs · Mathematics 2012-04-27 Hermenegildo Borges de Oliveira

Frequently observed divergence of numerical solutions to benchmark flows of the UCM viscoelastic fluid is a known and widely discussed issue. Some authors consider such singularities "invincible". The article argues this position, to which…

Fluid Dynamics · Physics 2016-02-09 Igor Mackarov

We prove that, for a given spherically symmetric fluid distribution with tangential pressure on an initial spacelike hypersurface with a timelike boundary, there exists a unique, local in time solution to the Einstein equations in a…

General Relativity and Quantum Cosmology · Physics 2017-10-25 Irene Brito , Filipe C. Mena

We consider a circulation system arising in turbulence modelling in fluid dynamics with unbounded eddy viscosities. Various notions of weak solutions are considered and compared. We establish existence and regularity results. In particular…

Analysis of PDEs · Mathematics 2007-10-03 Pierre Dreyfuss