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3 | \\ / F ield | foam-extend: Open Source CFD |
4 | \\ / O peration | Version: 3.0 |
5 | \\ / A nd | Web: http://www.extend-project.de |
6 | \\/ M anipulation | |
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13 object viscoelasticProperties;
15 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
19 VERBEETEN,W. M. H.; PETERS, G.W. M.; BAAIJENS, F. P. T. Differential constitutive
20 equations for polymer melts: The extended pom-pom model. Journal of Rheology,
21 SOR, v. 45, n. 4, p. 823-843, 2001.
23 BASF Lupolen 1810H LDPE melt
25 TABLE III. XPP parameters for fitting of the Lupolen 1810H melt.
26 Tr = 150 °C, ni = 2/q, Activation energy: E0 = 58.6 kJ/mol.
28 Maxwell parameters XPP model
29 i G0i (Pa) l0bi(s) qi l0bi/l0si ai
30 1 2.1662e4 1.0000e-1 1 3.5 0.350
31 2 9.9545e3 6.3096e-1 2 3.0 0.300
32 3 3.7775e3 3.9811e0 3 2.8 0.250
33 4 9.6955e2 2.5119e1 7 2.8 0.200
34 5 1.1834e2 1.5849e2 8 1.5 0.100
35 6 4.1614e0 1.0000e3 37 1.5 0.005
48 rho rho [1 -3 0 0 0 0 0] 850;
49 etaS etaS [1 -1 -1 0 0 0 0] 0.0;
50 etaP etaP [1 -1 -1 0 0 0 0] 2166.2;
51 lambdaOb lambdaOb [0 0 1 0 0 0 0] 1.0e-1;
52 lambdaOs lambdaOs [0 0 1 0 0 0 0] 0.0285714;
53 alpha alpha [0 0 0 0 0 0 0] 0.35;
54 q q [0 0 0 0 0 0 0] 1;
60 rho rho [1 -3 0 0 0 0 0] 850;
61 etaS etaS [1 -1 -1 0 0 0 0] 0.0;
62 etaP etaP [1 -1 -1 0 0 0 0] 6280.8913;
63 lambdaOb lambdaOb [0 0 1 0 0 0 0] 6.3096e-1;
64 lambdaOs lambdaOs [0 0 1 0 0 0 0] 0.21032;
65 alpha alpha [0 0 0 0 0 0 0] 0.3;
66 q q [0 0 0 0 0 0 0] 2;
72 rho rho [1 -3 0 0 0 0 0] 850;
73 etaS etaS [1 -1 -1 0 0 0 0] 0.0;
74 etaP etaP [1 -1 -1 0 0 0 0] 15038.605;
75 lambdaOb lambdaOb [0 0 1 0 0 0 0] 3.9811e0;
76 lambdaOs lambdaOs [0 0 1 0 0 0 0] 1.4218214;
77 alpha alpha [0 0 0 0 0 0 0] 0.25;
78 q q [0 0 0 0 0 0 0] 3;
84 rho rho [1 -3 0 0 0 0 0] 850;
85 etaS etaS [1 -1 -1 0 0 0 0] 0.0;
86 etaP etaP [1 -1 -1 0 0 0 0] 24354.126;
87 lambdaOb lambdaOb [0 0 1 0 0 0 0] 2.5119e1;
88 lambdaOs lambdaOs [0 0 1 0 0 0 0] 8.9710714;
89 alpha alpha [0 0 0 0 0 0 0] 0.2;
90 q q [0 0 0 0 0 0 0] 7;
96 rho rho [1 -3 0 0 0 0 0] 850;
97 etaS etaS [1 -1 -1 0 0 0 0] 0.0;
98 etaP etaP [1 -1 -1 0 0 0 0] 18755.707;
99 lambdaOb lambdaOb [0 0 1 0 0 0 0] 1.5849e2;
100 lambdaOs lambdaOs [0 0 1 0 0 0 0] 105.66;
101 alpha alpha [0 0 0 0 0 0 0] 0.1;
102 q q [0 0 0 0 0 0 0] 8;
108 rho rho [1 -3 0 0 0 0 0] 850;
109 etaS etaS [1 -1 -1 0 0 0 0] 0.0;
110 etaP etaP [1 -1 -1 0 0 0 0] 4161.4;
111 lambdaOb lambdaOb [0 0 1 0 0 0 0] 1.0e3;
112 lambdaOs lambdaOs [0 0 1 0 0 0 0] 666.66667;
113 alpha alpha [0 0 0 0 0 0 0] 0.005;
114 q q [0 0 0 0 0 0 0] 37;
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