def test_calc_flexure_parameter():
eet, youngs = 65000.0, 7e10
alpha_1d = get_flexure_parameter(eet, youngs, 1)
alpha_2d = get_flexure_parameter(eet, youngs, 2)
assert alpha_2d == approx(84828.72)
assert alpha_1d == approx(np.power(4.0, 0.25) * alpha_2d)
def test_calc_flexure_parameter_bad_ndim():
with raises(ValueError):
get_flexure_parameter(65000.0, 7e10, 0)
with raises(ValueError):
get_flexure_parameter(65000.0, 7e10, 3)