/*--------------------------------*- C++ -*----------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM Extend Project: Open source CFD | | \\ / O peration | Version: 1.6-ext | | \\ / A nd | Web: www.extend-project.de | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ FoamFile { version 2.0; format ascii; class dictionary; object viscoelasticProperties; } // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // /* From: VERBEETEN, W. M. H. Computational polymer melt rheology. [S.l.]: CIP-Data Library Technische Universiteit Eindhoven, 2001. The polymer solution consists of 2.5% Polyisobutylene (Oppanol B200, BASF) dissolved in tetradecane (2.5% PIB/C14). Table 2.1: Material parameters of 2.5% polyisobutylene dissolved in tetradecane (2.5% PIB/C14) at T = 20 C, obtained from Schoonen et al. (1998). mode G[Pa] lambda[s] epsilon zeta A a b 1 3.3e1 3.6e-3 2 3.6e0 3.1e-2 0.42 0.07 16.0 2.0 0.45 3 1.8e0 1.6e-1 4 5.1e-2 5.6e-1 */ rheology { type multiMode; models ( first { type Feta-PTT; rho rho [1 -3 0 0 0 0 0] 803.0; etaS etaS [1 -1 -1 0 0 0 0] 0.0; etaP etaP [1 -1 -1 0 0 0 0] 0.1188; lambda lambda [0 0 1 0 0 0 0] 3.6e-3; epsilon epsilon [0 0 0 0 0 0 0] 0.42; zeta zeta [0 0 0 0 0 0 0] 0.07; A A [0 0 0 0 0 0 0] 16.0; a a [0 0 0 0 0 0 0] 2.0; b b [0 0 0 0 0 0 0] 0.45; } second { type Feta-PTT; rho rho [1 -3 0 0 0 0 0] 803.0; etaS etaS [1 -1 -1 0 0 0 0] 0.0; etaP etaP [1 -1 -1 0 0 0 0] 0.1116; lambda lambda [0 0 1 0 0 0 0] 3.1e-2; epsilon epsilon [0 0 0 0 0 0 0] 0.42; zeta zeta [0 0 0 0 0 0 0] 0.07; A A [0 0 0 0 0 0 0] 16.0; a a [0 0 0 0 0 0 0] 2.0; b b [0 0 0 0 0 0 0] 0.45; } third { type Feta-PTT; rho rho [1 -3 0 0 0 0 0] 803.0; etaS etaS [1 -1 -1 0 0 0 0] 0.0; etaP etaP [1 -1 -1 0 0 0 0] 0.288; lambda lambda [0 0 1 0 0 0 0] 1.6e-1; epsilon epsilon [0 0 0 0 0 0 0] 0.42; zeta zeta [0 0 0 0 0 0 0] 0.07; A A [0 0 0 0 0 0 0] 16.0; a a [0 0 0 0 0 0 0] 2.0; b b [0 0 0 0 0 0 0] 0.45; } fourth { type Feta-PTT; rho rho [1 -3 0 0 0 0 0] 803.0; etaS etaS [1 -1 -1 0 0 0 0] 0.0; etaP etaP [1 -1 -1 0 0 0 0] 0.02856; lambda lambda [0 0 1 0 0 0 0] 5.6e-1; epsilon epsilon [0 0 0 0 0 0 0] 0.42; zeta zeta [0 0 0 0 0 0 0] 0.07; A A [0 0 0 0 0 0 0] 16.0; a a [0 0 0 0 0 0 0] 2.0; b b [0 0 0 0 0 0 0] 0.45; } ); } // ************************************************************************* //