| Title:
|
Shear flows of a new class of power-law fluids (English) |
| Author:
|
Le Roux, Christiaan |
| Author:
|
Rajagopal, Kumbakonam R. |
| Language:
|
English |
| Journal:
|
Applications of Mathematics |
| ISSN:
|
0862-7940 (print) |
| ISSN:
|
1572-9109 (online) |
| Volume:
|
58 |
| Issue:
|
2 |
| Year:
|
2013 |
| Pages:
|
153-177 |
| Summary lang:
|
English |
| . |
| Category:
|
math |
| . |
| Summary:
|
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 models and then consider some simple boundary-value problems, namely steady planar Couette and Poiseuille flows with no-slip and slip boundary conditions. We show that these problems can have more than one solution and that the multiplicity of the solutions depends on the values of the model parameters as well as the choice of boundary conditions. (English) |
| Keyword:
|
non-Newtonian fluid |
| Keyword:
|
Couette flow |
| Keyword:
|
Poiseuille flow |
| Keyword:
|
slip boundary condition |
| MSC:
|
35Q35 |
| MSC:
|
76A05 |
| MSC:
|
76D03 |
| idZBL:
|
Zbl 1274.76039 |
| idMR:
|
MR3034820 |
| DOI:
|
10.1007/s10492-013-0008-4 |
| . |
| Date available:
|
2013-03-01T15:51:35Z |
| Last updated:
|
2020-07-02 |
| Stable URL:
|
http://hdl.handle.net/10338.dmlcz/143161 |
| . |
| Reference:
|
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| Reference:
|
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| Reference:
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| Reference:
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| Reference:
|
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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