Source code for abaqus.Interaction.ContactTangentialBehavior
from abaqusConstants import *
[docs]class ContactTangentialBehavior:
"""The ContactTangentialBehavior object specifies tangential behavior for a contact
interaction property.
Attributes
----------
formulation: SymbolicConstant
A SymbolicConstant specifying the friction formulation. Possible values are
FRICTIONLESS, PENALTY, EXPONENTIAL_DECAY, ROUGH, LAGRANGE, and USER_DEFINED. The default
value is FRICTIONLESS.
directionality: SymbolicConstant
A SymbolicConstant specifying the directionality of the friction. Possible values are
ISOTROPIC and ANISOTROPIC. The default value is ISOTROPIC.
slipRateDependency: Boolean
A Boolean specifying whether the data depend on slip rate. The default value is OFF.
pressureDependency: Boolean
A Boolean specifying whether the data depend on contact pressure. The default value is
OFF.
temperatureDependency: Boolean
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies: int
An Int specifying the number of field variables. The default value is 0.
exponentialDecayDefinition: SymbolicConstant
A SymbolicConstant specifying the exponential decay definition. Possible values are
COEFFICIENTS and TEST_DATA. The default value is COEFFICIENTS.
shearStressLimit: float
None or a Float specifying the shear stress limit. If **shearStressLimit=None**, there is
no upper limit. The default value is None.
maximumElasticSlip: SymbolicConstant
A SymbolicConstant specifying what the maximum elastic slip will be. Possible values are
FRACTION and ABSOLUTE_DISTANCE. The default value is FRACTION.
fraction: float
A Float specifying the fraction of a characteristic surface dimension. The default value
is 0.0.
absoluteDistance: float
A Float specifying the absolute distance. The default value is 0.0.
elasticSlipStiffness: float
None or a Float specifying the elastic slip stiffness. If **elasticSlipStiffness=None**,
there is no upper limit. The default value is None.
nStateDependentVars: int
An Int specifying the number of state-dependent variables. The default value is 0.
useProperties: Boolean
A Boolean specifying whether property values will be used. The default value is OFF.
table: float
A tuple of tuples of Floats specifying tangential behavior. The items in the table data
are described below.
Notes
-----
This object can be accessed by:
.. code-block:: python
import interaction
mdb.models[name].interactionProperties[name].tangentialBehavior
The table data for this object are:
- If *formulation*=PENALTY or LAGRANGE, the table data specify the following:
- Friction coefficient in the first slip direction, μ1μ1.
- Friction coefficient in the second slip direction, μ2μ2 (if *directionality*=ANISOTROPIC).
- Slip rate, if the data depend on slip rate.
- Contact pressure, if the data depend on contact pressure.
- 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 *formulation*=EXPONENTIAL_DECAY and *exponentialDecayDefinition*=COEFFICIENTS, the table data specify the
following:
- Static friction coefficient.
- Kinetic friction coefficient.
- Decay coefficient.
- If *formulation*=EXPONENTIAL_DECAY and *exponentialDecayDefinition*=TEST_DATA, the table data specify the
following:
- Friction coefficient.
- Slip rate.
- If *formulation*=USER_DEFINED, the table data specify the following:
- Friction property.
The corresponding analysis keywords are:
- FRICTION
- CHANGE FRICTION
"""
# A SymbolicConstant specifying the friction formulation. Possible values are
# FRICTIONLESS, PENALTY, EXPONENTIAL_DECAY, ROUGH, LAGRANGE, and USER_DEFINED. The default
# value is FRICTIONLESS.
formulation: SymbolicConstant = FRICTIONLESS
# A SymbolicConstant specifying the directionality of the friction. Possible values are
# ISOTROPIC and ANISOTROPIC. The default value is ISOTROPIC.
directionality: SymbolicConstant = ISOTROPIC
# A Boolean specifying whether the data depend on slip rate. The default value is OFF.
slipRateDependency: Boolean = OFF
# A Boolean specifying whether the data depend on contact pressure. The default value is
# OFF.
pressureDependency: Boolean = OFF
# A Boolean specifying whether the data depend on temperature. The default value is OFF.
temperatureDependency: Boolean = OFF
# An Int specifying the number of field variables. The default value is 0.
dependencies: int = 0
# A SymbolicConstant specifying the exponential decay definition. Possible values are
# COEFFICIENTS and TEST_DATA. The default value is COEFFICIENTS.
exponentialDecayDefinition: SymbolicConstant = COEFFICIENTS
# None or a Float specifying the shear stress limit. If *shearStressLimit*=None, there is
# no upper limit. The default value is None.
shearStressLimit: float = None
# A SymbolicConstant specifying what the maximum elastic slip will be. Possible values are
# FRACTION and ABSOLUTE_DISTANCE. The default value is FRACTION.
maximumElasticSlip: SymbolicConstant = FRACTION
# A Float specifying the fraction of a characteristic surface dimension. The default value
# is 0.0.
fraction: float = 0
# A Float specifying the absolute distance. The default value is 0.0.
absoluteDistance: float = 0
# None or a Float specifying the elastic slip stiffness. If *elasticSlipStiffness*=None,
# there is no upper limit. The default value is None.
elasticSlipStiffness: float = None
# An Int specifying the number of state-dependent variables. The default value is 0.
nStateDependentVars: int = 0
# A Boolean specifying whether property values will be used. The default value is OFF.
useProperties: Boolean = OFF
# A tuple of tuples of Floats specifying tangential behavior. The items in the table data
# are described below.
table: float = None
def __init__(self, formulation: SymbolicConstant = FRICTIONLESS,
directionality: SymbolicConstant = ISOTROPIC, slipRateDependency: Boolean = OFF,
pressureDependency: Boolean = OFF, temperatureDependency: Boolean = OFF,
dependencies: int = 0, exponentialDecayDefinition: SymbolicConstant = COEFFICIENTS,
table: tuple = (), shearStressLimit: float = None,
maximumElasticSlip: SymbolicConstant = FRACTION, fraction: float = 0,
absoluteDistance: float = 0, elasticSlipStiffness: float = None,
nStateDependentVars: int = 0, useProperties: Boolean = OFF):
"""This method creates a ContactTangentialBehavior object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].interactionProperties[name].TangentialBehavior
Parameters
----------
formulation
A SymbolicConstant specifying the friction formulation. Possible values are
FRICTIONLESS, PENALTY, EXPONENTIAL_DECAY, ROUGH, LAGRANGE, and USER_DEFINED. The default
value is FRICTIONLESS.
directionality
A SymbolicConstant specifying the directionality of the friction. Possible values are
ISOTROPIC and ANISOTROPIC. The default value is ISOTROPIC.
slipRateDependency
A Boolean specifying whether the data depend on slip rate. The default value is OFF.
pressureDependency
A Boolean specifying whether the data depend on contact pressure. The default value is
OFF.
temperatureDependency
A Boolean specifying whether the data depend on temperature. The default value is OFF.
dependencies
An Int specifying the number of field variables. The default value is 0.
exponentialDecayDefinition
A SymbolicConstant specifying the exponential decay definition. Possible values are
COEFFICIENTS and TEST_DATA. The default value is COEFFICIENTS.
table
A sequence of sequences of Floats specifying tangential behavior. The items in the table
data are described below.
shearStressLimit
None or a Float specifying the shear stress limit. If *shearStressLimit*=None, there is
no upper limit. The default value is None.
maximumElasticSlip
A SymbolicConstant specifying what the maximum elastic slip will be. Possible values are
FRACTION and ABSOLUTE_DISTANCE. The default value is FRACTION.
fraction
A Float specifying the fraction of a characteristic surface dimension. The default value
is 0.0.
absoluteDistance
A Float specifying the absolute distance. The default value is 0.0.
elasticSlipStiffness
None or a Float specifying the elastic slip stiffness. If *elasticSlipStiffness*=None,
there is no upper limit. The default value is None.
nStateDependentVars
An Int specifying the number of state-dependent variables. The default value is 0.
useProperties
A Boolean specifying whether property values will be used. The default value is OFF.
Returns
-------
A ContactTangentialBehavior object.
"""
pass