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
#!/usr/bin/env python3 import sys sys.path.append('../..') import numpy as np from neml.cp import crystallography from neml.math import rotations import matplotlib.pyplot as plt if __name__ == "__main__": N = 300 orientations = rotations.random_orientations(N) sgroup = crystallography.SymmetryGroup("432") angles = [] for i in range(len(orientations)): for j in range(i + 1, len(orientations)): o1 = orientations[i] o2 = orientations[j] m = sgroup.misorientation(o1, o2) axis, angle = m.to_axis_angle() angles.append(angle) angles = np.rad2deg(angles)
from neml.cp import crystallography, slipharden, sliprules, inelasticity, kinematics, singlecrystal, polycrystal, crystaldamage from neml.math import rotations, tensors, nemlmath from neml import elasticity, drivers import matplotlib.pyplot as plt nthreads = 4 if __name__ == "__main__": N = 50 emax = 0.122 nsteps = 300 erate = 1.0e-4 nthreads = 4 orientations = rotations.random_orientations(N) lattice = crystallography.CubicLattice(1.0) lattice.add_slip_system([1, 1, 0], [1, 1, 1]) nslip = lattice.ntotal t0 = 100.0 b = 10.0 sat = 50 g0 = 1.0e-4 n = 6.0 mu = 29000.0 E = 120000.0