def test_soil_type_iterative():
"""Test the soil type update process on a nonlinear property."""
mod_reduc = site.NonlinearProperty('', [0.01, 1.], [1, 0])
damping = site.NonlinearProperty('', [0.01, 1.], [0, 10])
st = site.SoilType('', 18.0, mod_reduc, damping)
l = site.Layer(st, 2., 500.)
strain = 0.1
l.strain = strain
assert_approx_equal(l.strain.value, strain)
assert_approx_equal(l.shear_mod.value, 0.5 * l.initial_shear_mod)
assert_approx_equal(l.damping.value, 5.0)
def test_soil_type_iterative():
"""Test the soil type update process on a nonlinear property."""
mod_reduc = site.NonlinearProperty('', [0.0001, 0.01], [1, 0])
damping = site.NonlinearProperty('', [0.0001, 0.01], [0, 0.10])
st = site.SoilType('', 18.0, mod_reduc, damping)
layer = site.Layer(st, 2., 500.)
strain = 0.001
layer.strain = strain
assert_allclose(layer.strain, strain)
assert_allclose(layer.shear_mod, 0.5 * layer.initial_shear_mod)
assert_allclose(layer.damping, 0.05)
def nlp():
"""Simple nonlinear property."""
return site.NonlinearProperty('', [0.01, 1], [0., 1.])
def nlp():
"""Create an example NonlinearProperty."""
return site.NonlinearProperty('', [0.01, 1], [0., 1.])