from abaqusConstants import *
from .DamageEvolution import DamageEvolution
from .DamageStabilization import DamageStabilization
from .DamageStabilizationCohesive import DamageStabilizationCohesive
[docs]class DamageInitiation:
"""The DamageInitiation object specifies material properties to define the initiation of
damage.
Notes
-----
This object can be accessed by:
.. code-block:: python
import material
mdb.models[name].materials[name].ductileDamageInitiation
mdb.models[name].materials[name].fldDamageInitiation
mdb.models[name].materials[name].flsdDamageInitiation
mdb.models[name].materials[name].hashinDamageInitiation
mdb.models[name].materials[name].johnsonCookDamageInitiation
mdb.models[name].materials[name].maxeDamageInitiation
mdb.models[name].materials[name].maxpeDamageInitiation
mdb.models[name].materials[name].maxpsDamageInitiation
mdb.models[name].materials[name].maxsDamageInitiation
mdb.models[name].materials[name].mkDamageInitiation
mdb.models[name].materials[name].msfldDamageInitiation
mdb.models[name].materials[name].quadeDamageInitiation
mdb.models[name].materials[name].quadsDamageInitiation
mdb.models[name].materials[name].shearDamageInitiation
import odbMaterial
session.odbs[name].materials[name].ductileDamageInitiation
session.odbs[name].materials[name].fldDamageInitiation
session.odbs[name].materials[name].flsdDamageInitiation
session.odbs[name].materials[name].hashinDamageInitiation
session.odbs[name].materials[name].johnsonCookDamageInitiation
session.odbs[name].materials[name].maxeDamageInitiation
session.odbs[name].materials[name].maxpeDamageInitiation
session.odbs[name].materials[name].maxpsDamageInitiation
session.odbs[name].materials[name].maxsDamageInitiation
session.odbs[name].materials[name].mkDamageInitiation
session.odbs[name].materials[name].msfldDamageInitiation
session.odbs[name].materials[name].quadeDamageInitiation
session.odbs[name].materials[name].quadsDamageInitiation
session.odbs[name].materials[name].shearDamageInitiation
The table data for this object are:
- If constructor is DuctileDamageInitiation, the table data specify the following:
- Equivalent fracture strain at damage initiation.
- Stress triaxiality.
- Strain rate.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor is FldDamageInitiation, the table data specify the following:
- Major principal strain at damage initiation.
- Minor principal strain.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor FlsdDamageInitiation, the table data specify the following:
- Major principal stress at damage initiation.
- Minor principal stress.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor is JohnsonCookDamageInitiation, the table data specify the following:
- Johnson-Cook failure parameter D1.
- Johnson-Cook failure parameter D2.
- Johnson-Cook failure parameter D3.
- Johnson-Cook failure parameter D4.
- Johnson-Cook failure parameter D5.
- Melting temperature.
- Transition temperature.
- Reference strain rate.
- If constructor MkDamageInitiation, the table data specify the following:
- Flaw size relative to nominal thickness of the section.
- Angle (in degrees) with respect to the 1-direction of the local material orientation.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor is MsfldDamageInitiation and *definition*=MSFLD, the table data specify the following:
- Nominal strain at damage initiation in a normal-only mode.
- Equivalent Plastic strain at initiation of localized necking.
- Ratio of minor to major principal strains.
- Equivalent Plastic strain rate.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor is MsfldDamageInitiation and *definition*=FLD, the table data specify the following:
- Major principal strain at initiation of localized necking.
- Equivalent Plastic strain at initiation of localized necking.
- Ratio of minor to major principal strains.
- Equivalent Plastic strain rate.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor is QuadeDamageInitiation or MaxeDamageInitiation, the table data specify the following:
- Nominal strain at damage initiation in a normal-only mode.
- Nominal strain at damage initiation in a shear-only mode that involves separation only along the first shear direction.
- Nominal strain at damage initiation in a shear-only mode that involves separation only along the second shear direction.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor is QuadsDamageInitiation or MaxsDamageInitiation, the table data specify the following:
- Nominal strain at damage initiation in a normal-only mode.
- Nominal strain at damage initiation in a shear-only mode that involves separation only along the first shear direction.
- Nominal strain at damage initiation in a shear-only mode that involves separation only along the second shear direction.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor is MaxpeDamageInitiation, the table data specify the following:
- Maximum principal strain at damage initiation.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor is MaxpsDamageInitiation, the table data specify the following:
- Maximum principal stress at damage initiation.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor is ShearDamageInitiation, the table data specify the following:
- Equivalent fracture strain at damage initiation.
- Shear stress ratio.
- Strain rate.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
- If constructor is HashinDamageInitiation, the table data specify the following:
- Fiber tensile strength.
- Fiber compressive strength.
- Matrix tensile strength.
- Matrix compressive strength.
- Longitudinal shear strength.
- Transverse shear strength.
- Temperature, if the data depend on temperature.
- Value of the first field variable, if the data depend on field variables.
- Value of the second field variable.
- Etc.
The corresponding analysis keywords are:
- DAMAGE INITIATION
"""
# A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
# and MSFLD. The default value is MSFLD.
definition: SymbolicConstant = MSFLD
# A Float specifying the critical value of the deformation severity index for equivalent
# Plastic strains. The default value is 10.0.
feq: float = 10
# A Float specifying the critical value of the deformation severity index for strains
# normal to the groove direction. The default value is 10.0.
fnn: float = 10
# A Float specifying the critical value of the deformation severity index for shear
# strains. The default value is 10.0.
fnt: float = 10
# An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
# analysis is going to be performed. The default value is 1.
frequency: int = 1
# A Float specifying the value of Ks. The default value is 0.0.
ks: float = 0
# An Int specifying the number of imperfections to be considered for the evaluation of the
# Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
# the angular direction. The default value is 4.
numberImperfections: int = 4
# A Boolean specifying whether the data depend on temperature. The default value is OFF.
temperatureDependency: Boolean = OFF
# An Int specifying the number of field variable dependencies. The default value is 0.
dependencies: int = 0
# A Float specifying the value of the coefficient that will multiply the shear
# contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
alpha: float = 0
# A Float specifying the factor used for filtering the ratio of principal strain rates
# used for the evaluation of the MSFLD damage initiation criterion. The default value is
# 1.0.
omega: float = 1
# A Float specifying the tolerance within which the damage initiation criterion must be
# satisfied. The default value is 0.05.
tolerance: float = 0
# A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
# and TMORI. The default value is NMORI.
direction: SymbolicConstant = NMORI
# A tuple of tuples of Floats specifying the items described in the "Table data" section.
table: float = None
# A DamageEvolution object.
damageEvolution: DamageEvolution = None
# A DamageStabilization object.
damageStabilization: DamageStabilization = None
# A DamageStabilizationCohesive object.
damageStabilizationCohesive: DamageStabilizationCohesive = DamageStabilizationCohesive()
def DuctileDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10,
fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].DuctileDamageInitiation
session.odbs[name].materials[name].DuctileDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def FldDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10, fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].FldDamageInitiation
session.odbs[name].materials[name].FldDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def FlsdDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10, fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].FlsdDamageInitiation
session.odbs[name].materials[name].FlsdDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def JohnsonCookDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10,
fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].JohnsonCookDamageInitiation
session.odbs[name].materials[name].JohnsonCookDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def MaxeDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10, fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI,
position: SymbolicConstant = CENTROID):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].MaxeDamageInitiation
session.odbs[name].materials[name].MaxeDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
position
An SymbolicConstant specifying the damage initiation position. Possible values are
CENTROID, CRACKTIP and COMBINED. The default value is CENTROID.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def MaxsDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10, fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI,
position: SymbolicConstant = CENTROID):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].MaxsDamageInitiation
session.odbs[name].materials[name].MaxsDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
position
An SymbolicConstant specifying the damage initiation position. Possible values are
CENTROID, CRACKTIP and COMBINED. The default value is CENTROID.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def MkDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10, fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].MkDamageInitiation
session.odbs[name].materials[name].MkDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def MsfldDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10,
fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].MsfldDamageInitiation
session.odbs[name].materials[name].MsfldDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def QuadeDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10,
fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI,
position: SymbolicConstant = CENTROID):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].QuadeDamageInitiation
session.odbs[name].materials[name].QuadeDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
position
An SymbolicConstant specifying the damage initiation position. Possible values are
CENTROID, CRACKTIP and COMBINED. The default value is CENTROID.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def QuadsDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10,
fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI,
position: SymbolicConstant = CENTROID):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].QuadsDamageInitiation
session.odbs[name].materials[name].QuadsDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
position
An SymbolicConstant specifying the damage initiation position. Possible values are
CENTROID, CRACKTIP and COMBINED. The default value is CENTROID.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def MaxpeDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10,
fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI,
position: SymbolicConstant = CENTROID):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].MaxpeDamageInitiation
session.odbs[name].materials[name].MaxpeDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
position
An SymbolicConstant specifying the damage initiation position. Possible values are
CENTROID, CRACKTIP and COMBINED. The default value is CENTROID.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def MaxpsDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10,
fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI,
position: SymbolicConstant = CENTROID):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].MaxpsDamageInitiation
session.odbs[name].materials[name].MaxpsDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
position
An SymbolicConstant specifying the damage initiation position. Possible values are
CENTROID, CRACKTIP and COMBINED. The default value is CENTROID.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def ShearDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10,
fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].ShearDamageInitiation
session.odbs[name].materials[name].ShearDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def HashinDamageInitiation(self, table: tuple, definition: SymbolicConstant = MSFLD, feq: float = 10,
fnn: float = 10,
fnt: float = 10, frequency: int = 1, ks: float = 0, numberImperfections: int = 4,
temperatureDependency: Boolean = OFF, dependencies: int = 0, alpha: float = 0,
omega: float = 1, tolerance: float = 0, direction: SymbolicConstant = NMORI):
"""This method creates a DamageInitiation object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].materials[name].HashinDamageInitiation
session.odbs[name].materials[name].HashinDamageInitiation
Parameters
----------
table
A sequence of sequences of Floats specifying the items described in the "Table data"
section.
definition
A SymbolicConstant specifying the damage initiation definition. Possible values are FLD
and MSFLD. The default value is MSFLD.
feq
A Float specifying the critical value of the deformation severity index for equivalent
Plastic strains. The default value is 10.0.
fnn
A Float specifying the critical value of the deformation severity index for strains
normal to the groove direction. The default value is 10.0.
fnt
A Float specifying the critical value of the deformation severity index for shear
strains. The default value is 10.0.
frequency
An Int specifying the frequency, in increments, at which the Marciniak-Kuczynski
analysis is going to be performed. The default value is 1.
ks
A Float specifying the value of Ks. The default value is 0.0.
numberImperfections
An Int specifying the number of imperfections to be considered for the evaluation of the
Marciniak-Kuczynski analysis. These imperfections are assumed to be equally spaced in
the angular direction. The default value is 4.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variable dependencies. The default value is 0.
alpha
A Float specifying the value of the coefficient that will multiply the shear
contribution to the Hashin's fiber initiation criterion. The default value is 0.0.
omega
A Float specifying the factor used for filtering the ratio of principal strain rates
used for the evaluation of the MSFLD damage initiation criterion. The default value is
1.0.
tolerance
A Float specifying the tolerance within which the damage initiation criterion must be
satisfied. The default value is 0.05.
direction
A SymbolicConstant specifying the damage initiation direction. Possible values are NMORI
and TMORI. The default value is NMORI.
Returns
-------
A DamageInitiation object.
Raises
------
RangeError
"""
pass
def setValues(self):
"""This method modifies the DamageInitiation object.
"""
pass