111 lines
4.1 KiB
Text
111 lines
4.1 KiB
Text
/*---------------------------------------------------------------------------*\
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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 "";
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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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VERBEETEN, W. M. H. Computational polymer melt rheology. [S.l.]: CIP-Data Library
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Technische Universiteit Eindhoven, 2001.
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The polymer solution consists of 2.5% Polyisobutylene (Oppanol B200, BASF) dissolved
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in tetradecane (2.5% PIB/C14).
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Table 2.1: Material parameters of 2.5% polyisobutylene dissolved in tetradecane (2.5% PIB/C14) at
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T = 20 C, obtained from Schoonen et al. (1998).
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mode G[Pa] lambda[s] epsilon zeta A a b
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1 3.3e1 3.6e-3
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2 3.6e0 3.1e-2 0.42 0.07 16.0 2.0 0.45
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3 1.8e0 1.6e-1
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4 5.1e-2 5.6e-1
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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 Feta-PTT;
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rho rho [1 -3 0 0 0 0 0] 803.0;
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etaS etaS [1 -1 -1 0 0 0 0] 0.0;
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etaP etaP [1 -1 -1 0 0 0 0] 0.1188;
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lambda lambda [0 0 1 0 0 0 0] 3.6e-3;
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epsilon epsilon [0 0 0 0 0 0 0] 0.42;
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zeta zeta [0 0 0 0 0 0 0] 0.07;
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A A [0 0 0 0 0 0 0] 16.0;
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a a [0 0 0 0 0 0 0] 2.0;
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b b [0 0 0 0 0 0 0] 0.45;
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}
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second
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{
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type Feta-PTT;
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rho rho [1 -3 0 0 0 0 0] 803.0;
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etaS etaS [1 -1 -1 0 0 0 0] 0.0;
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etaP etaP [1 -1 -1 0 0 0 0] 0.1116;
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lambda lambda [0 0 1 0 0 0 0] 3.1e-2;
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epsilon epsilon [0 0 0 0 0 0 0] 0.42;
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zeta zeta [0 0 0 0 0 0 0] 0.07;
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A A [0 0 0 0 0 0 0] 16.0;
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a a [0 0 0 0 0 0 0] 2.0;
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b b [0 0 0 0 0 0 0] 0.45;
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}
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third
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{
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type Feta-PTT;
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rho rho [1 -3 0 0 0 0 0] 803.0;
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etaS etaS [1 -1 -1 0 0 0 0] 0.0;
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etaP etaP [1 -1 -1 0 0 0 0] 0.288;
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lambda lambda [0 0 1 0 0 0 0] 1.6e-1;
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epsilon epsilon [0 0 0 0 0 0 0] 0.42;
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zeta zeta [0 0 0 0 0 0 0] 0.07;
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A A [0 0 0 0 0 0 0] 16.0;
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a a [0 0 0 0 0 0 0] 2.0;
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b b [0 0 0 0 0 0 0] 0.45;
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}
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fourth
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{
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type Feta-PTT;
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rho rho [1 -3 0 0 0 0 0] 803.0;
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etaS etaS [1 -1 -1 0 0 0 0] 0.0;
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etaP etaP [1 -1 -1 0 0 0 0] 0.02856;
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lambda lambda [0 0 1 0 0 0 0] 5.6e-1;
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epsilon epsilon [0 0 0 0 0 0 0] 0.42;
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zeta zeta [0 0 0 0 0 0 0] 0.07;
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A A [0 0 0 0 0 0 0] 16.0;
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a a [0 0 0 0 0 0 0] 2.0;
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b b [0 0 0 0 0 0 0] 0.45;
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}
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);
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}
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// ************************************************************************* //
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