def testSlipLimit(self):
slip = lambda z: 0
x = np.arange(0.05, 10.0, 0.05)
t = [0]
alpha = 1.0
u_t = np.array(map(lambda t_in: full_viscoelastic.solution(slip, x, t_in, alpha), t))
self.assertTrue((u_t == 0.0).all())
def testAlphaLimit(self):
slip = lambda z: 1
x = np.arange(0.05, 10.0, 0.50)
t = np.arange(0.0, 5.0)
alpha = 1000000000.0
u_t = np.array(map(lambda t_in: full_viscoelastic.solution(slip, x, t_in, alpha), t))
self.assertTrue((u_t < 0.000000001).all())
def testXLimit(self):
slip = lambda z: 1
x = np.array([0.001, 100000000])
t = [0]
alpha = 1.0
u_t = np.array(map(lambda t_in: full_viscoelastic.solution(slip, x, t_in, alpha), t))
self.assertTrue((abs(u_t[0][0] - 0.5) < 0.001).all())
self.assertTrue((abs(u_t[0][1] - 0.0) < 0.001).all())
def testCompareVariableSlip(self):
slip = lambda z: 1
x = np.arange(0.05, 10.0, 0.5)
t = np.arange(0.0, 5.0)
alpha = 1
u_t = map(lambda t_in: full_viscoelastic.solution(slip, x, t_in, alpha), t)
#first compare to elastic solutions -- they should match at t=0
u_e = full_elastic.surface_elastic_half_space(slip, x)
# print utilities.mse(u_t[0], u_elastic)
self.assertTrue(utilities.mse(u_t[0], u_e) < 0.0001)
#then compare to viscoelastic solutions -- they should match at all times because slip is constant
u_constant_slip_ve = map(lambda t_in: constant_slip_maxwell_dimensionless.solution(x, t_in, alpha), t)
# pyp.figure(1)
# utilities.plot_time_series_1D(x, u_t, t, show = False)
# pyp.figure(2)
# utilities.plot_time_series_1D(x, u_constant_slip_ve, t, show = False)
# pyp.show()
for i in range(len(t)):
# print u_t[i] - u_constant_slip_ve[i]
self.assertTrue(utilities.mse(u_t[i], u_constant_slip_ve[i]) < 0.0001)
def standard_params(slip):
x = np.arange(0.05, 10.0, 0.05)
t = np.arange(0.0, 5.0)
alpha = 0.0
u_t = map(lambda t_in: full_viscoelastic.solution(slip, x, t_in, alpha), t)
utilities.plot_time_series_1D(x, u_t, t)