def test_energy(self):
film_elac = ElasticTensor([
[324.32, 187.3, 170.92, 0., 0., 0.],
[187.3, 324.32, 170.92, 0., 0., 0.],
[170.92, 170.92, 408.41, 0., 0., 0.],
[0., 0., 0., 150.73, 0., 0.],
[0., 0., 0., 0., 150.73, 0.],
[0., 0., 0., 0., 0., 238.74]])
dfm = Deformation([[ -9.86004855e-01,2.27539582e-01,-4.64426035e-17],
[ -2.47802121e-01,-9.91208483e-01,-7.58675185e-17],
[ -6.12323400e-17,-6.12323400e-17,1.00000000e+00]])
self.assertAlmostEqual(film_elac.energy_density(dfm.green_lagrange_strain),
0.000125664672793)
def test_energy(self):
film_elac = ElasticTensor([[324.32, 187.3, 170.92, 0., 0., 0.],
[187.3, 324.32, 170.92, 0., 0., 0.],
[170.92, 170.92, 408.41, 0., 0., 0.],
[0., 0., 0., 150.73, 0., 0.],
[0., 0., 0., 0., 150.73, 0.],
[0., 0., 0., 0., 0., 238.74]])
dfm = Deformation([[-9.86004855e-01, 2.27539582e-01, -4.64426035e-17],
[-2.47802121e-01, -9.91208483e-01, -7.58675185e-17],
[-6.12323400e-17, -6.12323400e-17, 1.00000000e+00]])
self.assertAlmostEqual(
film_elac.energy_density(dfm.green_lagrange_strain),
0.000125664672793)
