1/*! 2 * \file castemmieheapellambrechtlogarithmicstrain-uniaxialloading-3-3D.mtest 3 * \brief 4 * \author Helfer Thomas 5 * \brief 4 dec. 2013 6 */ 7 8@MaximumNumberOfSubSteps 1; 9@AccelerationAlgorithm 'AlternateSecant'; 10@Behaviour<umat> '@MFrontCastemBehavioursBuildPath@' 'umatlogarithmicstrainelasticity'; 11 12@StressEpsilon 1.e2; 13 14@MaterialProperty<constant> 'YoungModulus' 215.e9; 15@MaterialProperty<constant> 'PoissonRatio' 0.3; 16 17@ImposedDrivingVariable 'FYY' {0:1.,1.:1.8}; 18@ImposedDrivingVariable 'FXY' 0.; 19@ImposedDrivingVariable 'FYX' 0.; 20@ImposedDrivingVariable 'FXZ' 0.; 21@ImposedDrivingVariable 'FZX' 0.; 22@ImposedDrivingVariable 'FYZ' 0.; 23@ImposedDrivingVariable 'FZY' 0.; 24 25@ExternalStateVariable 'Temperature' 293.15; 26 27@Times {0.,1 in 20}; 28 29@Evolution<function> 'eyy' 'log(FYY**2)/2'; 30@Evolution<function> 'exx' '-PoissonRatio*eyy'; 31@Evolution<function> 'ezz' '-PoissonRatio*eyy'; 32@Evolution<function> 'J' 'sqrt(exp(2*exx)*exp(2*ezz))*FYY'; 33@Evolution<function> 'Tyy' 'YoungModulus*eyy'; 34 35@Test<function> {'SXX':'0','SZZ':'0'} 1; 36@Test<function> {'SYY':'Tyy/J'} 5.e-1; 37@Test<function> {'SXY':'0','SXZ':'0','SYZ':'0'} 1.e-2; 38@Test<function> {'FXX': 'sqrt(exp(2*exx))','FZZ': 'sqrt(exp(2*ezz))'} 1.e-7; 39@Test<function> {'FXY': '0', 'FZY':'0'} 1.e-10; 40@Test<function> {'FXZ': '0', 'FZX':'0'} 1.e-10; 41@Test<function> {'FYZ': '0', 'FZY':'0'} 1.e-10; 42 43 44 45