def setUp(self):
self.strength = 35.0
self.H = history.History()
self.H.add_scalar("strength")
self.H.set_scalar("strength", self.strength)
self.tau0 = 10.0
self.tau_sat = 50.0
self.b = 2.5
self.strengthmodel = slipharden.VoceSlipHardening(
self.tau_sat, self.b, self.tau0)
self.g0 = 1.0
self.n = 3.0
self.slipmodel = sliprules.PowerLawSlipRule(self.strengthmodel,
self.g0, self.n)
self.imodel = inelasticity.AsaroInelasticity(self.slipmodel)
self.L = crystallography.CubicLattice(1.0)
self.L.add_slip_system([1, 1, 0], [1, 1, 1])
self.Q = rotations.Orientation(35.0, 17.0, 14.0, angle_type="degrees")
self.S = tensors.Symmetric(
np.array([[100.0, -25.0, 10.0], [-25.0, -17.0, 15.0],
[10.0, 15.0, 35.0]]))
self.T = 300.0
self.mu = 29000.0
self.E = 120000.0
self.nu = 0.3
self.emodel = elasticity.CubicLinearElasticModel(
self.E, self.nu, self.mu, "moduli")
self.dn = np.array([[4.1, 2.8, -1.2], [3.1, 7.1, 0.2], [4, 2, 3]])
self.dn = 0.5 * (self.dn + self.dn.T)
self.d = tensors.Symmetric(self.dn)
self.wn = np.array([[-9.36416517, 2.95527444, 8.70983194],
[-1.54693052, 8.7905658, -5.10895168],
[-8.52740468, -0.7741642, 2.89544992]])
self.wn = 0.5 * (self.wn - self.wn.T)
self.w = tensors.Skew(self.wn)
self.model = kinematics.StandardKinematicModel(self.emodel,
self.imodel)
self.fspin = self.model.spin(self.S, self.d, self.w, self.Q, self.H,
self.L, self.T, history.History())
self.fixed = self.model.decouple(self.S, self.d, self.w, self.Q,
self.H, self.L, self.T,
history.History())
def setUp(self):
self.N = 10
self.tau0 = 10.0
self.tau_sat = 50.0
self.b = 2.5
self.strengthmodel = slipharden.VoceSlipHardening(self.tau_sat, self.b, self.tau0)
self.g0 = 1.0
self.n = 3.0
self.slipmodel = sliprules.PowerLawSlipRule(self.strengthmodel, self.g0, self.n)
self.imodel = inelasticity.AsaroInelasticity(self.slipmodel)
self.L = crystallography.CubicLattice(1.0)
self.L.add_slip_system([1,1,0],[1,1,1])
self.Q = rotations.Orientation(35.0,17.0,14.0, angle_type = "degrees")
self.mu = 29000.0
self.E = 120000.0
self.nu = 0.3
self.emodel = elasticity.CubicLinearElasticModel(self.E,
self.nu, self.mu, "moduli")
self.kmodel = kinematics.StandardKinematicModel(self.emodel, self.imodel)
self.model = singlecrystal.SingleCrystalModel(self.kmodel, self.L,
miter = 120)
self.orientations = rotations.random_orientations(self.N)
self.D = np.array([0.01,-0.002,-0.003,0.012,-0.04,0.01])
self.W = np.array([0.02,-0.02,0.03])
self.T = 300.0
self.dt = 2.0
def setUp(self):
self.tau0 = 10.0
self.tau_sat = 50.0
self.b = 2.5
self.strengthmodel = slipharden.VoceSlipHardening(
self.tau_sat, self.b, self.tau0)
self.g0 = 1.0
self.n = 3.0
self.slipmodel = sliprules.PowerLawSlipRule(self.strengthmodel,
self.g0, self.n)
self.imodel = inelasticity.AsaroInelasticity(self.slipmodel)
self.L = crystallography.CubicLattice(1.0)
self.L.add_slip_system([1, 1, 0], [1, 1, 1])
self.Q = rotations.Orientation(35.0, 17.0, 14.0, angle_type="degrees")
self.mu = 29000.0
self.E = 120000.0
self.nu = 0.3
self.emodel = elasticity.CubicLinearElasticModel(
self.E, self.nu, self.mu, "moduli")
self.kmodel = kinematics.StandardKinematicModel(
self.emodel, self.imodel)
self.model = singlecrystal.SingleCrystalModel(self.kmodel,
self.L,
initial_rotation=self.Q)
self.model_no_rot = singlecrystal.SingleCrystalModel(
self.kmodel,
self.L,
initial_rotation=self.Q,
update_rotation=False,
verbose=False)
self.T = 300.0
self.stress_n = np.array([120.0, -60.0, 170.0, 35.0, 80.0, -90.0])
self.stress_np1 = np.array([15.0, -40.0, 120.0, 70.0, -10.0, -50.0])
self.d = np.array([0.1, -0.2, 0.25, 0.11, -0.05, 0.075])
self.w = np.array([0.1, 0.2, -0.2])
self.strength_n = 25.0
self.strength_np1 = 30.0
self.S_np1 = tensors.Symmetric(common.usym(self.stress_np1))
self.S_n = tensors.Symmetric(common.usym(self.stress_n))
self.D = tensors.Symmetric(common.usym(self.d))
self.W = tensors.Skew(common.uskew(self.w))
self.strength_n = 25.0
self.strength_np1 = 30.0
self.H_n = history.History()
self.H_n.add_scalar("strength")
self.H_n.set_scalar("strength", self.strength_n)
self.H_np1 = history.History()
self.H_np1.add_scalar("strength")
self.H_np1.set_scalar("strength", self.strength_np1)
self.dt = 2.0
self.fixed = self.kmodel.decouple(self.S_n, self.D, self.W, self.Q,
self.H_n, self.L, self.T,
history.History())
self.ts = singlecrystal.SCTrialState(self.D, self.W, self.S_n,
self.H_n, self.Q, self.L, self.T,
self.dt, self.fixed)
self.x = np.zeros((self.model.nparams, ))
self.x[:6] = self.stress_np1
self.x[6] = self.strength_np1
self.Ddir = np.array([0.01, -0.005, -0.003, 0.01, 0.02, -0.003]) * 2
self.Wdir = np.array([0.02, -0.03, 0.01]) * 2
self.nsteps = 10
mu = 29000.0
E = 120000.0
nu = 0.3
c = 40
beta = 3.0
emodel = elasticity.CubicLinearElasticModel(E, nu, mu, "moduli")
strengthmodel = slipharden.VoceSlipHardening(sat, b, t0)
slipmodel = sliprules.PowerLawSlipRule(strengthmodel, g0, n)
imodel = inelasticity.AsaroInelasticity(slipmodel)
base_kin = kinematics.StandardKinematicModel(emodel, imodel)
base_cp_model = singlecrystal.SingleCrystalModel(base_kin, lattice)
base_model = polycrystal.TaylorModel(base_cp_model,
orientations,
nthreads=nthreads)
base_kin = kinematics.StandardKinematicModel(emodel, imodel)
base_cp_model = singlecrystal.SingleCrystalModel(base_kin, lattice)
base_model = polycrystal.TaylorModel(base_cp_model,
orientations,
nthreads=nthreads)
dmodel = crystaldamage.WorkPlaneDamage()
func = crystaldamage.SigmoidTransformation(c, beta)
dmg_fun = crystaldamage.PlanarDamageModel(dmodel, func, func, lattice)
dmg_kin = kinematics.DamagedStandardKinematicModel(emodel, imodel, dmg_fun)
def make_model(smodel): imodel = inelasticity.AsaroInelasticity(smodel) emodel = elasticity.IsotropicLinearElasticModel(E, "youngs", nu, "poissons") kmodel = kinematics.StandardKinematicModel(emodel, imodel) model = singlecrystal.SingleCrystalModel(kmodel, lattice) return polycrystal.TaylorModel(model, orientations, nthreads = nthreads)
t0 = alpha*mu*burg*np.sqrt(rho)
ts = 100.0
b = 0.4
g0 = 1.0
n = 6.7
N = 100
nthreads = 20
strengthmodel = slipharden.VoceSlipHardening(ts, b, t0)
slipmodel = sliprules.PowerLawSlipRule(strengthmodel, g0, n)
imodel = inelasticity.AsaroInelasticity(slipmodel)
emodel = elasticity.IsotropicLinearElasticModel(E, "youngs", nu, "poissons")
kmodel = kinematics.StandardKinematicModel(emodel, imodel)
lattice = crystallography.CubicLattice(1.0)
lattice.add_slip_system([1,1,0],[1,1,1])
model = singlecrystal.SingleCrystalModel(kmodel, lattice, verbose = False)
orientations = rotations.random_orientations(N)
dt = emax / erate / steps
pmodel = polycrystal.TaylorModel(model, orientations, nthreads = nthreads)
res = drivers.uniaxial_test(pmodel, erate, emax = emax, nsteps = steps)
strains.append(res['strain'])
