10. Modélisation I#
10.1. Loi de comportement et paramètres matériaux#
La loi de comportement testée “VISCOCHAB”, est documentée dans la doc R5.03.12 . Il s’agit d’une loi de comportement élastoviscoplastique de Chaboche à 2 variables cinématiques. Valeurs des paramètres utilisés :
Paramètres |
\(T=20°C\) |
\(T=200°C\) |
\(E(T)\) |
\(150000\mathit{MPa}\) |
\(100000\mathit{MPa}\) |
\(\nu (T)\) |
\(0.\) |
\(0.\) |
\(\alpha (T)\) |
\(1.E-5{K}^{-1}\) |
\(2.E-5{K}^{-1}\) |
\(K(T)\) |
\(25\) |
\(40\) |
\({\mathit{ALPHA}}_{K}(T)\) |
\(1.\) |
\(1.\) |
\({\mathit{ALPHA}}_{R}(T)\) |
\(0.5\) |
\(0.8\) |
\({K}_{0}(T)\) |
\(60\) |
\(80\) |
\(N(T)\) |
\(30\) |
\(15\) |
\(B\) |
\(15\) |
\(15\) |
\(\mathit{MR}\) |
\(2\) |
\(2\) |
\({\mathit{GAMMA}}_{R}(T)\) |
\(2.5E-7\) |
\(2.5E-7\) |
\(\mathit{MU}(T)\) |
\(22\) |
\(16\) |
\(Q0(T)\) |
\(40\) |
\(45\) |
\(\mathit{Qm}(T)\) |
\(500\) |
\(400\) |
\(\mathit{Qr}0(T)\) |
\(150\) |
\(250\) |
\(\mathit{ETA}(T)\) |
\(0,06\) |
\(0,03\) |
\(C1\) |
\(1600\) |
\(1600\) |
\(m1(T)\) |
\(3\) |
\(6\) |
\(d1(T)\) |
\(0.360E-3\) |
\(0.420E-3\) |
\(\mathit{gx}1(T)\) |
\(2.5E-13\) |
\(1.5E-13\) |
\(g10(T)\) |
\(40\) |
\(60\) |
\(C2\) |
\(55000\) |
\(55000\) |
\(m2(T)\) |
\(5\) |
\(3,5\) |
\(d2(T)\) |
\(0.50E-1\) |
\(0.60E-1\) |
\(\mathit{gx}2(T)\) |
\(0.8E-12\) |
\(1.5E-12\) |
\(g20(T)\) |
\(1500\) |
\(1000\) |
\(\mathit{AI}\) |
\(0,41\) |
\(0,56\) |
10.2. Résultats#
Résultat au numéro d’ordre \(i\) |
Nom du paramètre testé |
Type de référence |
Valeur de référence |
tolérance |
RESU_19 |
VMIS (MPa) |
AUTRE_ASTER |
146.8715755775 |
0.10% |
RESU_19 |
TRACE (MPa) |
AUTRE_ASTER |
-146.871575577 |
0.10% |
RESU_19 |
V1 |
AUTRE_ASTER |
-2.14217961397 |
0.10% |
RESU_19 |
V2 |
AUTRE_ASTER |
1.071089806986 |
0.10% |
RESU_19 |
V3 |
AUTRE_ASTER |
1.071089806986 |
0.10% |