from abaqusConstants import *
from .ConnectorBehaviorOption import ConnectorBehaviorOption
from .ConnectorOptions import ConnectorOptions
from .ConnectorPotentialArray import ConnectorPotentialArray
[docs]class ConnectorPlasticity(ConnectorBehaviorOption):
"""The ConnectorPlasticity object defines Plastic behavior for one or more components of a
connector's relative motion.
The ConnectorPlasticity object is derived from the ConnectorBehaviorOption object.
Attributes
----------
isotropicOptions: ConnectorOptions
A :py:class:`~abaqus.Connector.ConnectorOptions.ConnectorOptions` object specifying the :py:class:`~abaqus.Connector.ConnectorOptions.ConnectorOptions` used to define tabular options
for the isotropic hardening table.
kinematicOptions: ConnectorOptions
A :py:class:`~abaqus.Connector.ConnectorOptions.ConnectorOptions` object specifying the :py:class:`~abaqus.Connector.ConnectorOptions.ConnectorOptions` used to define tabular options
for the kinematic hardening table.
Notes
-----
This object can be accessed by:
.. code-block:: python
import section
mdb.models[name].sections[name].behaviorOptions[i]
import odbSection
session.odbs[name].sections[name].behaviorOptions[i]
The table data for this object are:
Table data for *isotropicTable*:
If *isotropicType*=TABULAR, then each sequence of the table data specifies the following:
- Equivalent yield force or moment defining the size of the elastic range.
- Equivalent relative Plastic motion.
- Equivalent relative Plastic motion 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 *isotropicType*=EXPONENTIAL_LAW, then each sequence of the table data specifies the following:
- Equivalent force or moment defining the size of the elastic range at zero Plastic motion.
- Isotropic hardening parameter QinfQinf.
- Isotropic hardening parameter bb.
- 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.
Table data for *kinematicTable*:
If *kinematicType*=HALF_CYCLE, then each sequence of the table data specifies the following:
- Yield force or moment.
- Connector relative Plastic motion.
- 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 *kinematicType*=STABILIZED, then each sequence of the table data specifies the following:
- Yield force or moment.
- Connector relative Plastic motion.
- Connector relative constitutive motion range.
- 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 *kinematicType*=PARAMETERS, then each sequence of the table data specifies the following:
- Yield force or moment at zero relative Plastic motion.
- Kinematic hardening parameter CC.
- Kinematic hardening parameter γγ. Set γγ=0 to specify linear Ziegler kinematic hardening.
- 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:
- CONNECTOR PLASTICITY
- CONNECTOR HARDENING
- CONNECTOR POTENTIAL
"""
# A ConnectorOptions object specifying the ConnectorOptions used to define tabular options
# for the isotropic hardening table.
isotropicOptions: ConnectorOptions = ConnectorOptions()
# A ConnectorOptions object specifying the ConnectorOptions used to define tabular options
# for the kinematic hardening table.
kinematicOptions: ConnectorOptions = ConnectorOptions()
def __init__(self, coupling: SymbolicConstant = UNCOUPLED, isotropic: Boolean = ON,
isotropicType: SymbolicConstant = TABULAR, isotropicTemperature: Boolean = OFF,
isotropicDependencies: int = 0, kinematic: Boolean = OFF,
kinematicType: SymbolicConstant = HALF_CYCLE, kinematicTemperature: Boolean = OFF,
kinematicDependencies: int = 0, forcePotentialOperator: SymbolicConstant = SUM,
forcePotentialExponent: float = 2,
connectorPotentials: ConnectorPotentialArray = None,
isotropicTable: tuple = (), kinematicTable: tuple = (), components: tuple = ()):
"""This method creates a connector plasticity behavior option for a ConnectorSection
object.
Notes
-----
This function can be accessed by:
.. code-block:: python
import connectorBehavior
connectorBehavior.ConnectorPlasticity
import odbConnectorBehavior
odbConnectorBehavior.ConnectorPlasticity
Parameters
----------
coupling
A SymbolicConstant specifying whether or not the behavior is coupled. Possible values
are UNCOUPLED and COUPLED. The default value is UNCOUPLED.
isotropic
A Boolean specifying whether isotropic hardening data will be used. The default value is
ON.If *isotropic*=OFF, then *kinematic* must be specified as ON.
isotropicType
A SymbolicConstant specifying the type of isotropic hardening to be specified. Possible
values are TABULAR and EXPONENTIAL_LAW. The default value is TABULAR.This argument is
applicable only if *isotropic*=ON.
isotropicTemperature
A Boolean specifying whether the isotropic data depend on temperature. The default value
is OFF.This argument is applicable only if *isotropic*=ON.
isotropicDependencies
An Int specifying the number of field variable dependencies for the isotropic data. The
default value is 0.This argument is applicable only if *isotropic*=ON.
kinematic
A Boolean specifying whether kinematic hardening data will be used. The default value is
OFF.If *kinematic*=OFF, then *isotropic* must be specified as ON.
kinematicType
A SymbolicConstant specifying the type of kinematic hardening to be specified. Possible
values are HALF_CYCLE, STABILIZED, and PARAMETERS. The default value is HALF_CYCLE.This
argument is applicable only if *kinematic*=ON.
kinematicTemperature
A Boolean specifying whether the kinematic data depend on temperature. The default value
is OFF.This argument is applicable only if *kinematic*=ON.
kinematicDependencies
An Int specifying the number of field variable dependencies for the kinematic data. The
default value is 0.This argument is applicable only if *kinematic*=ON.
forcePotentialOperator
A SymbolicConstant specifying the contribution operator for the force potential
contributions. Possible values are SUM and MAXIMUM. The default value is SUM.This
argument is applicable only if *coupling*=COUPLED.
forcePotentialExponent
A Float specifying the number equal to the inverse of the overall exponent in the force
potential definition. The default value is 2.0.This argument is applicable only if
*coupling*=COUPLED and if *forcePotentialOperator*=SUM.
connectorPotentials
A ConnectorPotentialArray object specifying one ConnectorPotential object for each force
potential contribution. This member can be specified only if *coupling*=COUPLED.
isotropicTable
A sequence of sequences of Floats specifying isotropic plasticity properties. Items in
the *isotropicTable* data are described below. This argument is applicable only if
*isotropic*=ON. The default value is an empty sequence.
kinematicTable
A sequence of sequences of Floats specifying kinematic plasticity properties. Items in
the *kinematicTable* data are described below. This argument is applicable only if
*kinematic*=ON. The default value is an empty sequence.
components
A sequence of Ints specifying the components of relative motion for which the behavior
is defined. Possible values are 1 ≤≤ *components* ≤≤ 6. Only available components can be
specified. This argument can be specified only if *coupling*=UNCOUPLED. The default
value is an empty sequence.
Returns
-------
A ConnectorPlasticity object.
Raises
------
ValueError and TextError.
"""
super().__init__()
pass
[docs] def setValues(self):
"""This method modifies the ConnectorPlasticity object.
Raises
------
ValueError.
"""
pass