def Static(self):
OOF.Mesh.Apply_Field_Initializers_at_Time(
mesh='microstructure:skeleton:mesh', time=1)
OOF.Mesh.Solve(
mesh='microstructure:skeleton:mesh', endtime=1.0)
OOF.Mesh.Analyze.Direct_Output(
mesh='microstructure:skeleton:mesh',
time=latest,
data=getOutput('Field:Value',field=Displacement),
domain=SinglePoint(point=Point(1,0)),
sampling=DiscretePointSampleSet(show_x=True,show_y=True),
destination=OutputStream(filename='rotate.out',mode='w'))
self.assert_(file_utils.compare_last(
'rotate.out',
[1, 0, 1/sqrt(2.)-1, 1/sqrt(2.)]))
OOF.Mesh.Analyze.Direct_Output(
mesh='microstructure:skeleton:mesh',
time=latest,
data=getOutput('Field:Value',field=Displacement),
domain=SinglePoint(point=Point(0,1)),
sampling=DiscretePointSampleSet(show_x=True,show_y=True),
destination=OutputStream(filename='rotate.out',mode='w'))
self.assert_(file_utils.compare_last(
'rotate.out',
[0, 1, -1/sqrt(2.), 1/sqrt(2.)-1]))
file_utils.remove('rotate.out')
def Static(self):
OOF.Mesh.Apply_Field_Initializers_at_Time(
mesh='microstructure:skeleton:mesh', time=1)
OOF.Mesh.Solve(mesh='microstructure:skeleton:mesh', endtime=1.0)
OOF.Mesh.Analyze.Direct_Output(
mesh='microstructure:skeleton:mesh',
time=latest,
data=getOutput('Field:Value', field=Displacement),
domain=SinglePoint(point=Point(1, 0)),
sampling=DiscretePointSampleSet(show_x=True, show_y=True),
destination=OutputStream(filename='rotate.out', mode='w'))
self.assert_(
file_utils.compare_last('rotate.out',
[1, 0, 1 / sqrt(2.) - 1, 1 / sqrt(2.)]))
OOF.Mesh.Analyze.Direct_Output(
mesh='microstructure:skeleton:mesh',
time=latest,
data=getOutput('Field:Value', field=Displacement),
domain=SinglePoint(point=Point(0, 1)),
sampling=DiscretePointSampleSet(show_x=True, show_y=True),
destination=OutputStream(filename='rotate.out', mode='w'))
self.assert_(
file_utils.compare_last('rotate.out',
[0, 1, -1 / sqrt(2.), 1 / sqrt(2.) - 1]))
file_utils.remove('rotate.out')
def Small(self):
OOF.Microstructure.New(name='microstructure',
width=1.0,
height=1.0,
width_in_pixels=10,
height_in_pixels=10)
OOF.Material.New(name='material', material_type='bulk')
# Reset the default parameter values for isotropic elasticity.
# This shouldn't be necessary if earlier tests clean up after
# themselves properly.
OOF.Property.Parametrize.Mechanical.Elasticity.Isotropic(
cijkl=IsotropicRank4TensorCij(c11=1.0, c12=0.5))
OOF.Material.Add_property(name='material',
property='Mechanical:Elasticity:Isotropic')
OOF.Material.Assign(material='material',
microstructure='microstructure',
pixels=all)
OOF.Skeleton.New(name='skeleton',
microstructure='microstructure',
x_elements=1,
y_elements=1,
skeleton_geometry=QuadSkeleton(
left_right_periodicity=False,
top_bottom_periodicity=False))
OOF.Mesh.New(name='mesh',
skeleton='microstructure:skeleton',
element_types=['D2_2', 'T3_3', 'Q4_4'])
OOF.Subproblem.Field.Define(
subproblem='microstructure:skeleton:mesh:default',
field=Displacement)
OOF.Subproblem.Field.Activate(
subproblem='microstructure:skeleton:mesh:default',
field=Displacement)
OOF.Subproblem.Equation.Activate(
subproblem='microstructure:skeleton:mesh:default',
equation=Force_Balance)
OOF.Subproblem.Equation.Activate(
subproblem='microstructure:skeleton:mesh:default',
equation=Plane_Stress)
OOF.Mesh.Boundary_Conditions.New(
name='bc',
mesh='microstructure:skeleton:mesh',
condition=DirichletBC(field=Displacement,
field_component='x',
equation=Force_Balance,
eqn_component='x',
profile=ConstantProfile(value=0.0),
boundary='left'))
OOF.Mesh.Boundary_Conditions.New(
name='bc<2>',
mesh='microstructure:skeleton:mesh',
condition=DirichletBC(field=Displacement,
field_component='x',
equation=Force_Balance,
eqn_component='x',
profile=ConstantProfile(value=0.1),
boundary='right'))
OOF.Mesh.Boundary_Conditions.New(name='bc<3>',
mesh='microstructure:skeleton:mesh',
condition=DirichletBC(
field=Displacement,
field_component='y',
equation=Force_Balance,
eqn_component='y',
profile=ConstantProfile(value=0),
boundary='left'))
OOF.Mesh.Boundary_Conditions.New(name='bc<4>',
mesh='microstructure:skeleton:mesh',
condition=DirichletBC(
field=Displacement,
field_component='y',
equation=Force_Balance,
eqn_component='y',
profile=ConstantProfile(value=0),
boundary='right'))
OOF.Mesh.Set_Field_Initializer(mesh='microstructure:skeleton:mesh',
field=Displacement,
initializer=ConstTwoVectorFieldInit(
cx=0.0, cy=0.0))
OOF.Mesh.Set_Field_Initializer(mesh='microstructure:skeleton:mesh',
field=Displacement_z,
initializer=ConstThreeVectorFieldInit(
cx=0.0, cy=0.0, cz=0.0))
OOF.Mesh.Apply_Field_Initializers_at_Time(
mesh='microstructure:skeleton:mesh', time=0.0)
OOF.Subproblem.Set_Solver(
subproblem='microstructure:skeleton:mesh:default',
solver_mode=AdvancedSolverMode(
time_stepper=StaticDriver(),
nonlinear_solver=Newton(relative_tolerance=1e-08,
absolute_tolerance=1.e-13,
maximum_iterations=200),
symmetric_solver=ConjugateGradient(
preconditioner=ILUPreconditioner(),
tolerance=1e-13,
max_iterations=1000),
asymmetric_solver=BiConjugateGradient(
preconditioner=ILUPreconditioner(),
tolerance=1e-13,
max_iterations=1000)))
OOF.Mesh.Solve(mesh='microstructure:skeleton:mesh', endtime=0.0)
# Check that the average out-of-plane stress is 0.0.
OOF.Mesh.Analyze.Average(mesh='microstructure:skeleton:mesh',
time=latest,
data=getOutput('Flux:Value', flux=Stress),
domain=EntireMesh(),
sampling=ElementSampleSet(order=automatic),
destination=OutputStream(filename='test.dat',
mode='w'))
self.assert_(
file_utils.compare_last('test.dat',
(0.0, 0.075, 0.025, 0.0, 0.0, 0.0, 0.0)))
file_utils.remove('test.dat')
# Check that the out-of-plane displacement derivative at the
# nodes is correct. u_zz should be -0.05 and the other
# components should be 0.0.
from ooflib.engine import mesh
from ooflib.SWIG.engine import field
msh = mesh.meshes["microstructure:skeleton:mesh"]
msh_obj = msh.getObject()
dispz = field.getField("Displacement_z")
for node in msh_obj.funcnode_iterator():
vals = [dispz.value(msh_obj, node, i) for i in range(3)]
self.assert_(vals[0] == 0.0 and vals[1] == 0
and math.fabs(vals[2] + 0.05) < 1.e-13)
def Small(self):
OOF.Microstructure.New(
name='microstructure',
width=1.0, height=1.0,
width_in_pixels=10, height_in_pixels=10)
OOF.Material.New(
name='material', material_type='bulk')
# Reset the default parameter values for isotropic elasticity.
# This shouldn't be necessary if earlier tests clean up after
# themselves properly.
OOF.Property.Parametrize.Mechanical.Elasticity.Isotropic(
cijkl=IsotropicRank4TensorCij(c11=1.0,c12=0.5))
OOF.Material.Add_property(
name='material',
property='Mechanical:Elasticity:Isotropic')
OOF.Material.Assign(
material='material',
microstructure='microstructure',
pixels=all)
OOF.Skeleton.New(
name='skeleton',
microstructure='microstructure',
x_elements=1, y_elements=1,
skeleton_geometry=QuadSkeleton(
left_right_periodicity=False,top_bottom_periodicity=False))
OOF.Mesh.New(
name='mesh',
skeleton='microstructure:skeleton',
element_types=['D2_2', 'T3_3', 'Q4_4'])
OOF.Subproblem.Field.Define(
subproblem='microstructure:skeleton:mesh:default',
field=Displacement)
OOF.Subproblem.Field.Activate(
subproblem='microstructure:skeleton:mesh:default',
field=Displacement)
OOF.Subproblem.Equation.Activate(
subproblem='microstructure:skeleton:mesh:default',
equation=Force_Balance)
OOF.Subproblem.Equation.Activate(
subproblem='microstructure:skeleton:mesh:default',
equation=Plane_Stress)
OOF.Mesh.Boundary_Conditions.New(
name='bc',
mesh='microstructure:skeleton:mesh',
condition=DirichletBC(
field=Displacement,field_component='x',
equation=Force_Balance,eqn_component='x',
profile=ConstantProfile(value=0.0),
boundary='left'))
OOF.Mesh.Boundary_Conditions.New(
name='bc<2>',
mesh='microstructure:skeleton:mesh',
condition=DirichletBC(
field=Displacement,field_component='x',
equation=Force_Balance,eqn_component='x',
profile=ConstantProfile(value=0.1),
boundary='right'))
OOF.Mesh.Boundary_Conditions.New(
name='bc<3>',
mesh='microstructure:skeleton:mesh',
condition=DirichletBC(
field=Displacement,field_component='y',
equation=Force_Balance,eqn_component='y',
profile=ConstantProfile(value=0),
boundary='left'))
OOF.Mesh.Boundary_Conditions.New(
name='bc<4>',
mesh='microstructure:skeleton:mesh',
condition=DirichletBC(
field=Displacement,field_component='y',
equation=Force_Balance,eqn_component='y',
profile=ConstantProfile(value=0),
boundary='right'))
OOF.Mesh.Set_Field_Initializer(
mesh='microstructure:skeleton:mesh',
field=Displacement,
initializer=ConstTwoVectorFieldInit(cx=0.0,cy=0.0))
OOF.Mesh.Set_Field_Initializer(
mesh='microstructure:skeleton:mesh',
field=Displacement_z,
initializer=ConstThreeVectorFieldInit(cx=0.0,cy=0.0,cz=0.0))
OOF.Mesh.Apply_Field_Initializers_at_Time(
mesh='microstructure:skeleton:mesh',
time=0.0)
OOF.Subproblem.Set_Solver(
subproblem='microstructure:skeleton:mesh:default',
solver_mode=AdvancedSolverMode(
time_stepper=StaticDriver(),
nonlinear_solver=Newton(
relative_tolerance=1e-08,
absolute_tolerance=1.e-13,
maximum_iterations=200),
symmetric_solver=ConjugateGradient(
preconditioner=ILUPreconditioner(),
tolerance=1e-13,
max_iterations=1000),
asymmetric_solver=BiConjugateGradient(
preconditioner=ILUPreconditioner(),
tolerance=1e-13,max_iterations=1000)))
OOF.Mesh.Solve(
mesh='microstructure:skeleton:mesh',
endtime=0.0)
# Check that the average out-of-plane stress is 0.0.
OOF.Mesh.Analyze.Average(
mesh='microstructure:skeleton:mesh',
time=latest,
data=getOutput('Flux:Value',flux=Stress),
domain=EntireMesh(),
sampling=ElementSampleSet(order=automatic),
destination=OutputStream(filename='test.dat', mode='w'))
self.assert_(file_utils.compare_last(
'test.dat',
(0.0, 0.075, 0.025, 0.0, 0.0, 0.0, 0.0)))
file_utils.remove('test.dat')
# Check that the out-of-plane displacement derivative at the
# nodes is correct. u_zz should be -0.05 and the other
# components should be 0.0.
from ooflib.engine import mesh
from ooflib.SWIG.engine import field
msh = mesh.meshes["microstructure:skeleton:mesh"]
msh_obj = msh.getObject()
dispz = field.getField("Displacement_z")
for node in msh_obj.funcnode_iterator():
vals = [dispz.value(msh_obj, node, i) for i in range(3)]
self.assert_(vals[0] == 0.0 and vals[1] == 0 and
math.fabs(vals[2]+0.05) < 1.e-13)
