1@Author T. Helfer;
2@Date 15/09/2015;
3@Description{
4  "This test describes an uniaxial loading "
5  "by imposing the deformation gradient in "
6  "one direction. "
7  "The perpendicular directions are "
8  "stress-free. The shear components of the "
9  "deformation gradient are set to zero. "
10  "The results are compared to analytical solutions."
11};
12
13@Behaviour<aster> '@MFrontAsterBehavioursBuildPath@' 'astersaintvenantkirchhoffelasticitytotallagrangian';
14@MaterialProperty<constant> 'YoungModulus'     215.e9;
15@MaterialProperty<constant> 'PoissonRatio'       0.3;
16
17@ImposedDrivingVariable 'FXX' {0:1.,1.:1.2};
18
19@ImposedDrivingVariable 'FXY' 0.;
20@ImposedDrivingVariable 'FYX' 0.;
21@ImposedDrivingVariable 'FXZ' 0.;
22@ImposedDrivingVariable 'FZX' 0.;
23@ImposedDrivingVariable 'FYZ' 0.;
24@ImposedDrivingVariable 'FZY' 0.;
25
26@ExternalStateVariable 'Temperature' 293.15;
27
28@Times {0.,1 in 10};
29
30@Test<function> {'SXX':'YoungModulus*(FXX**2-1)*FXX/(2*(1-PoissonRatio*(FXX**2-1)))'} 1.e-2;
31@Test<function> {'SXY':'0'} 1.e-2;
32@Test<function> {'SXZ':'0'} 1.e-2;
33@Test<function> {'SYZ':'0'} 1.e-2;
34
35@Test<function> {'FYY':'sqrt(1-PoissonRatio*(FXX**2-1))'} 1.e-8;
36@Test<function> {'FZZ':'sqrt(1-PoissonRatio*(FXX**2-1))'} 1.e-8;
37