1/*!
2 * \file   castemmieheapellambrechtlogarithmicstrain-uniaxialloading-3-plantestrss.mtest
3 * \brief
4 * \author Helfer Thomas
5 * \brief  7 avril. 2014
6 */
7
8@ModellingHypothesis 'PlaneStress';
9@AccelerationAlgorithm 'AlternateSecant';
10@Behaviour<umat> '@MFrontCastemBehavioursBuildPath@' 'umatlogarithmicstrainelasticity';
11@StressEpsilon 1.e-4;
12@MaterialProperty<constant> 'YoungModulus'     215.e9;
13@MaterialProperty<constant> 'PoissonRatio'       0.3;
14
15@ImposedDrivingVariable 'FYY' {0:1.,1.:1.8};
16@ImposedDrivingVariable 'FXY' 0.;
17@ImposedDrivingVariable 'FYX' 0.;
18
19@ExternalStateVariable 'Temperature' 293.15;
20
21@Times {0.,1 in 10};
22
23@Evolution<function> 'eyy' 'log(FYY**2)/2';
24@Evolution<function> 'exx' '-PoissonRatio*eyy';
25@Evolution<function> 'ezz' '-PoissonRatio*eyy';
26@Evolution<function> 'J'   'sqrt(exp(2*exx)*exp(2*ezz))*FYY';
27@Evolution<function> 'Tyy' 'YoungModulus*eyy';
28
29@Test<function> {'SXX':'0','SZZ':'0'} 1.e-2;
30@Test<function> {'SYY':'Tyy/J'}       1.e-2;
31@Test<function> {'SXY':'0'}           1.e-2;
32@Test<function> {'FXX': 'sqrt(exp(2*exx))'} 1.e-7;
33@Test<function> {'FZZ': '1'} 1.e-7;
34@Test<function> {'FXY': '0', 'FYX':'0'} 1.e-10;
35