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BirdCarreau: added header example that uses the k coefficient

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Chris Greenshields
2023-06-27 10:53:43 +01:00
parent b51bb27fde
commit 24085443bf
1 changed files with 11 additions and 2 deletions
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src/MomentumTransportModels/momentumTransportModels/laminar/generalisedNewtonian/generalisedNewtonianViscosityModels/strainRateViscosityModels/BirdCarreau/BirdCarreau.H
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@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2018-2022 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2018-2023 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -50,7 +50,16 @@ Description
\left(1 + (\frac{\nu_0\gamma}{\tau^*} )^a \right)^{(n - 1)/a}
\f]
Example specification for a polymer:
Example specification for a paint using the first form of the model:
\verbatim
viscosityModel BirdCarreau;
nuInf 1e-5;
k 10;
n 0.5;
\endverbatim
Example specification for a polymer using the second form of the model:
\verbatim
viscosityModel BirdCarreau;