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On Steady Inner Flows of an Incompressible Fluid with the Viscosity Depending on the Pressure and the Shear rate

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985807%3A_____%2F09%3A00322464" target="_blank" >RIV/67985807:_____/09:00322464 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11320/09:00206812

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    On Steady Inner Flows of an Incompressible Fluid with the Viscosity Depending on the Pressure and the Shear rate

  • Original language description

    We consider a class of incompressible fluids whose viscosities depend on the pressure and the shear rate. The existence of weak solutions for steady flows of such fluids subject to homogeneous Dirichlet boundary conditions is established in Franta, Málek, Rajagopal [M. Franta, J. Málek, K.R. Rajagopal, On steady flows of fluids with pressure- and shear- dependent viscosities, Proc. Roy. Soc. A Math. Phys. Eng. Sci. 461 (2055) (2005) 651?670]. In this paper we treat non-homogeneous Dirichlet boundary conditions, assuming either that the normal part of velocity on the boundary is equal to zero or that the boundary data are small. We also relax the requirement concerning how to fix the pressure. Such a model has relevance to some important engineering applications.

  • Czech name

    Ustálená vnitřní proudění nestlačitelné tekutiny s vazkostí závislou na tlaku a rychlosti smyku

  • Czech description

    Uvažujeme třídu nestlačitelných tekutin jejichž vazkost závisí na tlaku i rychlosti smyku. Existence slabého řešení pro ustálená proudění takových tekutin, s homogenní Dirichletovou okrajovou podmínkou, byla ukázána v článku [Franta, Málek, Rajagopal, Onsteady flows of fluids with pressure- and shear- dependent viscosities, Proc. Roy. Soc. A Math. Phys. Eng. Sci., 461 (2055) (2005) 651?670]. Zde uvažujeme nehomogenní Dirichletovy okrajové podmínky, buďto za předpokladu že normálová složka rychlosti nahranici je nulová nebo pro malá data. Zobecňujeme také způsob fixování tlaku. Uvažovaný model má uplatnění v některých důležitých technických aplikacích.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BK - Liquid mechanics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA201%2F06%2F0352" target="_blank" >GA201/06/0352: Incompressible fluids with complex rheology: mathematical analysis, computational simulations and optimization of their flows</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2009

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Nonlinear Analysis: Real World Applications

  • ISSN

    1468-1218

  • e-ISSN

  • Volume of the periodical

    10

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    12

  • Pages from-to

  • UT code for WoS article

    000264911200001

  • EID of the result in the Scopus database