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Global existence for an Oldroyd-type model for viscoelastic fluids
In this paper we show global existence of weak solutions for a class of integrodifferential equations generalizing the Oldroyd model for viscoelastic fluids....
BA - Obecná matematika
- 2013 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Viscoelastic Effects in the Flow of Polymeric Fluids through Beds of Solid Particles
Polymeric fluids have generally a viscoelastic character that is responsible for a number of unusual phenomena not observed with purely viscous fluids. In this contribution, the manifestation of viscoelastic effect...
CI - Průmyslová chemie a chemické inženýrství
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Artificial Stress Diffusion in Numerical Simulations of Viscoelastic Fluid Flows
concept applied to numerical simulations of viscoelastic fluid flows. The classical Oldroyd-B model is considered as an example and prototype of viscoelastic rate type fluid models. The broader concept of numerica...
Applied mathematics
- 2022 •
- C •
- Link
Rok uplatnění
C - Kapitola v odborné knize
Výsledek na webu
Pressure Drop Excess in the Flow of Viscoelastic Fluids through Fixed Beds of Particles
In the flow of viscoelastic polymeric fluids, pressure drop excess was observed due to fluid elasticity in comparison with that predicted for the flow of a purely is based on the effects of viscoelastic fluid
CI - Průmyslová chemie a chemické inženýrství
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
Steady flow of viscoelastic fluid past an obstacle - asymptotic behaviour of solutions
The steady flow of viscoelastic fluid is considered and an asymptotic behaviour of solutions is described.
BA - Obecná matematika
- 1999 •
- C
Rok uplatnění
C - Kapitola v odborné knize
Numerical Solution of Viscous and Viscoelastic Fluids Flow for Generalized Newtonian Fluids
This paper deals with the numerical simulation of the viscous nad viscoelastic fluids flow of the generalized Newtonian fluids. The mathematical model is the system of balance laws of mass and momentum for incompressible
BK - Mechanika tekutin
- 2011 •
- D
Rok uplatnění
D - Stať ve sborníku
Viscoelastic Rate Type Fluids with Temperature Dependent Material Parameters - Stability of the Rest State
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 st...
Applied mathematics
- 2017 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
On the local strong solutions for a system describing the flow of a viscoelastic fluid
We consider a model describing flow of a viscoelastic fluid. Under relatively mild assumptions of the regularity of the initial condition we show existence of a local-in-time strong solution for various boundary condition in 2 or 3 ...
BA - Obecná matematika
- 2009 •
- D
Rok uplatnění
D - Stať ve sborníku
Numerical Modelling of Viscous and Viscoelastic Fluids Flow
is considered as the viscoelastic fluid (generalized Oldroyd-B fluids).Generalized Newtonian fluids can be subdivided according to viscosity behavior. For Newtonian fluids viscosity is constant and is ind...
BK - Mechanika tekutin
- 2011 •
- D
Rok uplatnění
D - Stať ve sborníku
Cake Filtration of Suspensions in Viscoelastic Fluids
The filtration equations for description of course of constant pressure cake filtration of suspension in viscoelastic fluids are presented. At the beginning of filtration, the elastic behaviour of liquid plays an important role on t...
CI - Průmyslová chemie a chemické inženýrství
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
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