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Displaying 81 – 100 of 142

On the regularity for solutions of the micropolar fluid equations

Elva Ortega-Torres, Marko Rojas-Medar (2009)

Rendiconti del Seminario Matematico della Università di Padova

On the steady flow of a second-grade fluid between two coaxial porous cylinders.

Erdoğan, M.Emin, Ịmrak, C.Erdem (2007)

Mathematical Problems in Engineering

One-dimensional problem for heat and mass transport in oil-wax solution

Roberto Gianni, Anna G. Petrova (2005)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

A mathematical model of heat and mass transport in non-isothermal partially saturated oil-wax solution was formulated by A. Fasano and M. Primicerio [1]. This paper is devoted to the study of a one-dimensional problem in the framework of that model. The existence of classical solutions in a small time interval is proved, based on the application of a fixed-point theorem to the constructed operator. The technique employed is close to the one of [3] and [4].

Path following methods for steady laminar Bingham flow in cylindrical pipes

Juan Carlos De Los Reyes, Sergio González (2009)

ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique

This paper is devoted to the numerical solution of stationary laminar Bingham fluids by path-following methods. By using duality theory, a system that characterizes the solution of the original problem is derived. Since this system is ill-posed, a family of regularized problems is obtained and the convergence of the regularized solutions to the original one is proved. For the update of the regularization parameter, a path-following method is investigated. Based on the differentiability properties...

Path following methods for steady laminar Bingham flow in cylindrical pipes

Juan Carlos De Los Reyes, Sergio González (2008)

ESAIM: Mathematical Modelling and Numerical Analysis

Peristaltic flow of a magneto-micropolar fluid: effect of induced magnetic field.

Mekheimer, Kh.S. (2008)

Journal of Applied Mathematics

Peristaltic motion of a Johnson-Segalman fluid in a planar channel.

Hayat, T., Wang, Y., Siddiqui, A.M., Hutter, K. (2003)

Mathematical Problems in Engineering

Planar flows of incompressible heat-conducting shear-thinning fluids — existence analysis

Miroslav Bulíček, Oldřich Ulrych (2011)

Applications of Mathematics

We study the flow of an incompressible homogeneous fluid whose material coefficients depend on the temperature and the shear-rate. For large class of models we establish the existence of a suitable weak solution for two-dimensional flows of fluid in a bounded domain. The proof relies on the reconstruction of the globally integrable pressure, available due to considered Navier’s slip boundary conditions, and on the so-called $L^{\infty}$ -truncation method, used to obtain the strong convergence of the velocity...

Regularity for doubly nonlinear parabolic equations

A.B. Иванов (1994)

Zapiski naucnych seminarov POMI

Regularity results for parabolic systems related to a class of non-newtonian fluids

E Acerbi, G Mingione, G. A. Seregin (2004)

Annales de l'I.H.P. Analyse non linéaire

Shear flows of a new class of power-law fluids

Christiaan Le Roux, Kumbakonam R. Rajagopal (2013)

Applications of Mathematics

We consider the flow of a class of incompressible fluids which are constitutively defined by the symmetric part of the velocity gradient being a function, which can be non-monotone, of the deviator of the stress tensor. These models are generalizations of the stress power-law models introduced and studied by J. Málek, V. Průša, K. R. Rajagopal: Generalizations of the Navier-Stokes fluid from a new perspective. Int. J. Eng. Sci. 48 (2010), 1907–1924. We discuss a potential application of the new...

Stability and bifurcation in viscous incompressible fluids

Zapiski naucnych seminarov POMI

Stability and numerical analysis of the Hébraud-Lequeux model for suspensions.

Giménez, Ángel, Morillas, Francisco, Valero, José, Amigó, José María (2011)

Discrete Dynamics in Nature and Society

Start-up of channel-flow of a Bingham fluid initially at rest

Irene Daprà, Giambattista Scarpi (2004)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

We present an analytical solution of plane motion for a Bingham fluid initially at rest subjected to a suddenly applied constant pressure gradient. Using the Laplace transform we obtain expressions which allow a direct easy calculation of the velocity, of the plug thickness and of the rate of flow as function of time.

Stationary incompressible bipolar fluids

Petr Habala (1994)

Czechoslovak Mathematical Journal

Steady flow of a second-grade fluid in an annulus with porous walls.

Erdoğan, M.Emin, İmrak, C.Erdem (2008)

Mathematical Problems in Engineering

Steady plane flow of second-grade fluid in exterior domains

Milan Pokorný (1997)

Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica

Steady-state buoyancy-driven viscous flow with measure data

Tomáš Roubíček (2001)

Mathematica Bohemica

Steady-state system of equations for incompressible, possibly non-Newtonean of the $p$ -power type, viscous flow coupled with the heat equation is considered in a smooth bounded domain $Ω \subset ℝ^{n}$ , $n = 2$ or 3, with heat sources allowed to have a natural $L^{1}$ -structure and even to be measures. The existence of a distributional solution is shown by a fixed-point technique for sufficiently small data if $p > 3 / 2$ (for $n = 2$ ) or if $p > 9 / 5$ (for $n = 3$ ).

Sur la stabilité des figures ellipsoïdales d'équilibre d'un liquide animé d'un mouvement de rotation

A. Liapounoff (1904)

Annales de la Faculté des sciences de Toulouse : Mathématiques

Sur l'approximation numérique des écoulements quasi-newtoniens dont la viscosité suit la loi puissance ou la loi de Carreau

D. Sandri (1993)

ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique

Currently displaying 81 – 100 of 142

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