58 lines
1.7 KiB
Text
58 lines
1.7 KiB
Text
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/*---------------------------------------------------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: 1.4 |
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| \\ / A nd | Web: http://www.openfoam.org |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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root "";
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case "Oldroyd-B";
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instance "";
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local "";
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class dictionary;
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object viscoelasticProperties;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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/*
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From:
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L.M. Quinzani, R.C. Amstrong, R.A. Brown, Birefringence and laser-Doppler velocimetry (LDV) studies of
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viscoelastic flow through a planar contraction, J. Non-Newtonian Fluid Mech. 52 (1994) 1-36.
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5.0 wt.% solution of polyisobutylene in tetradecane
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Model lambda etaS etaP
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Oldroyd-B 0.06 0.002 1.424
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*/
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rheology
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{
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type multiMode;
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models
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(
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first
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{
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type Oldroyd-B;
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rho rho [1 -3 0 0 0 0 0] 803.87097;
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etaS etaS [1 -1 -1 0 0 0 0] 0.002;
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etaP etaP [1 -1 -1 0 0 0 0] 1.424;
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lambda lambda [0 0 1 0 0 0 0] 0.06;
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}
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);
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}
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// ************************************************************************* //
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