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foam-extend4.1-coherent-io/tutorials/viscoelasticFluidFoam/Giesekus/constant/viscoelasticProperties

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/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.4 |
| \\ / A nd | Web: http://www.openfoam.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
root "";
case "Giesekus";
instance "";
local "";
class dictionary;
object viscoelasticProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
/*
From:
AZAIEZ, J.; GUÉNETTE, R.; AIT-KADI, A. Entry flow calculations using multi-mode
models. Journal of Non-Newtonian Fluid Mechanics, v. 66, n. 2-3, p. 271 - 281, 1996.
Mode Model parameter lambda etaP etaS
1 0.5 0.6855 0.0400 0.002
2 0.2 0.1396 0.2324 0.002
3 0.3 0.0389 0.5664 0.002
4 0.2 0.0059 0.5850 0.002
*/
rheology
{
type multiMode;
models
(
first
{
type Giesekus;
rho rho [1 -3 0 0 0 0 0] 803.87097;
etaS etaS [1 -1 -1 0 0 0 0] 0.002;
etaP etaP [1 -1 -1 0 0 0 0] 0.04;
lambda lambda [0 0 1 0 0 0 0] 0.6855;
alpha alpha [0 0 0 0 0 0 0] 0.5;
}
second
{
type Giesekus;
rho rho [1 -3 0 0 0 0 0] 803.87097;
etaS etaS [1 -1 -1 0 0 0 0] 0.002;
etaP etaP [1 -1 -1 0 0 0 0] 0.2324;
lambda lambda [0 0 1 0 0 0 0] 0.1396;
alpha alpha [0 0 0 0 0 0 0] 0.2;
}
third
{
type Giesekus;
rho rho [1 -3 0 0 0 0 0] 803.87097;
etaS etaS [1 -1 -1 0 0 0 0] 0.002;
etaP etaP [1 -1 -1 0 0 0 0] 0.5664;
lambda lambda [0 0 1 0 0 0 0] 0.0389;
alpha alpha [0 0 0 0 0 0 0] 0.3;
}
fourth
{
type Giesekus;
rho rho [1 -3 0 0 0 0 0] 803.87097;
etaS etaS [1 -1 -1 0 0 0 0] 0.002;
etaP etaP [1 -1 -1 0 0 0 0] 0.5850;
lambda lambda [0 0 1 0 0 0 0] 0.0059;
alpha alpha [0 0 0 0 0 0 0] 0.2;
}
);
}
// ************************************************************************* //