10. Modeling I#

10.1. Behavioral law and material parameters#

The law of behavior tested “VISCOCHAB”, is documented in doc R5.03.12. It is a Chaboche law of elastoviscoplastic behavior with 2 kinematic variables. Values of the parameters used:

Settings

\(T=20°C\)

\(T=200°C\)

\(E(T)\)

\(150000\mathit{MPa}\)

\(100000\mathit{MPa}\)

\(\nu (T)\)

\(0.\)

\(0.\)

\(\alpha (T)\)

\(1.E-5{K}^{-1}\)

\(2.E\mathrm{-}5{K}^{\mathrm{-}1}\)

\(K(T)\)

\(25\)

\(40\)

\({\mathit{ALPHA}}_{K}(T)\)

\(1.\)

\(1.\)

\({\mathit{ALPHA}}_{R}(T)\)

\(0.5\)

\(0.8\)

\({K}_{0}(T)\)

\(60\)

\(80\)

\(N(T)\)

\(30\)

\(15\)

\(B\)

\(15\)

\(15\)

\(\mathit{MR}\)

\(2\)

\(2\)

\({\mathit{GAMMA}}_{R}(T)\)

\(2.5E-7\)

\(2.5E-7\)

\(\mathit{MU}(T)\)

\(22\)

\(16\)

\(Q0(T)\)

\(40\)

\(45\)

\(\mathit{Qm}(T)\)

\(500\)

\(400\)

\(\mathit{Qr}0(T)\)

\(150\)

\(250\)

\(\mathit{ETA}(T)\)

\(\mathrm{0,06}\)

\(\mathrm{0,03}\)

\(C1\)

\(1600\)

\(1600\)

\(m1(T)\)

\(3\)

\(6\)

\(d1(T)\)

\(0.360E-3\)

\(0.420E-3\)

\(\mathit{gx}1(T)\)

\(2.5E-13\)

\(1.5E-13\)

\(g10(T)\)

\(40\)

\(60\)

\(C2\)

\(55000\)

\(55000\)

\(m2(T)\)

\(5\)

\(\mathrm{3,5}\)

\(d2(T)\)

\(0.50E-1\)

\(0.60E-1\)

\(\mathit{gx}2(T)\)

\(0.8E-12\)

\(1.5E-12\)

\(g20(T)\)

\(1500\)

\(1000\)

\(\mathit{AI}\)

\(\mathrm{0,41}\)

\(\mathrm{0,56}\)

10.2. Results#

Result at order number \(i\)

Name of the tested parameter

Name of the tested parameter

Reference type

tolerance

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%