from abaqusConstants import *
from .RebarLayers import RebarLayers
from .ShellSection import ShellSection
from .TransverseShearShell import TransverseShearShell
[docs]class GeneralStiffnessSection(ShellSection):
"""The GeneralStiffnessSection object defines the properties of a shell section via the
stiffness matrix.
The GeneralStiffnessSection object is derived from the ShellSection object.
Attributes
----------
rebarLayers: RebarLayers
A :py:class:`~abaqus.Section.RebarLayers.RebarLayers` object specifying reinforcement properties.
transverseShear: TransverseShearShell
A :py:class:`~abaqus.Section.TransverseShearShell.TransverseShearShell` object specifying the transverse shear stiffness properties.
Notes
-----
This object can be accessed by:
.. code-block:: python
import section
mdb.models[name].sections[name]
import odbSection
session.odbs[name].sections[name]
The corresponding analysis keywords are:
- SHELL GENERAL SECTION
"""
# A RebarLayers object specifying reinforcement properties.
rebarLayers: RebarLayers = None
# A TransverseShearShell object specifying the transverse shear stiffness properties.
transverseShear: TransverseShearShell = None
def __init__(self, name: str, stiffnessMatrix: tuple, referenceTemperature: float = None,
applyThermalStress: Boolean = OFF, temperatureDependency: Boolean = OFF,
dependencies: int = 0, poissonDefinition: SymbolicConstant = DEFAULT,
poisson: float = 0, useDensity: Boolean = OFF, density: float = 0,
thermalStresses: tuple = (), scalingData: tuple = ()):
"""This method creates a GeneralStiffnessSection object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].GeneralStiffnessSection
session.odbs[name].GeneralStiffnessSection
Parameters
----------
name
A String specifying the repository key.
stiffnessMatrix
A sequence of Floats specifying the stiffness matrix for the section in the order D11,
D12, D22, D13, D23, D33, ...., D66. Twenty-one entries must be given.
referenceTemperature
None or a Float specifying the reference temperature for thermal expansion. The default
value is None.
applyThermalStress
A Boolean specifying whether or not the section stiffness varies with thermal stresses.
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 variable dependencies. The default value is 0.
poissonDefinition
A SymbolicConstant specifying whether to use the default value for the Poisson's ratio.
Possible values are:DEFAULT, specifying that the default value for the Poisson's ratio
is 0.5 in an Abaqus/Standard analysis and is obtained from the material definition in an
Abaqus/Explicit analysis.VALUE, specifying that the Poisson's ratio used in the analysis
is the value provided in *poisson*.The default value is DEFAULT.
poisson
A Float specifying the Poisson's ratio. Possible values are −1.0 ≤≤ *poisson* ≤≤ 0.5.
This argument is valid only when *poissonDefinition*=VALUE. The default value is 0.5.
useDensity
A Boolean specifying whether or not to use the value of *density*. The default value is
OFF.
density
A Float specifying the value of density to apply to this section. The default value is
0.0.
thermalStresses
A sequence of Floats specifying the generalized stress values caused by a unit
temperature rise. Six entries must be given if the value of *applyThermalStress* is set
to True. The default value is ("").
scalingData
A sequence of sequences of Floats specifying the scaling factors for given temperatures
and/or field data. Each row should contain (Y, alpha, T, F1,...,Fn). The default value
is an empty sequence.
Returns
-------
A GeneralStiffnessSection object.
"""
super().__init__()
pass
[docs] def setValues(self, referenceTemperature: float = None, applyThermalStress: Boolean = OFF,
temperatureDependency: Boolean = OFF, dependencies: int = 0,
poissonDefinition: SymbolicConstant = DEFAULT, poisson: float = 0,
useDensity: Boolean = OFF, density: float = 0, thermalStresses: tuple = (),
scalingData: tuple = ()):
"""This method modifies the GeneralStiffnessSection object.
Parameters
----------
referenceTemperature
None or a Float specifying the reference temperature for thermal expansion. The default
value is None.
applyThermalStress
A Boolean specifying whether or not the section stiffness varies with thermal stresses.
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 variable dependencies. The default value is 0.
poissonDefinition
A SymbolicConstant specifying whether to use the default value for the Poisson's ratio.
Possible values are:DEFAULT, specifying that the default value for the Poisson's ratio
is 0.5 in an Abaqus/Standard analysis and is obtained from the material definition in an
Abaqus/Explicit analysis.VALUE, specifying that the Poisson's ratio used in the analysis
is the value provided in *poisson*.The default value is DEFAULT.
poisson
A Float specifying the Poisson's ratio. Possible values are −1.0 ≤≤ *poisson* ≤≤ 0.5.
This argument is valid only when *poissonDefinition*=VALUE. The default value is 0.5.
useDensity
A Boolean specifying whether or not to use the value of *density*. The default value is
OFF.
density
A Float specifying the value of density to apply to this section. The default value is
0.0.
thermalStresses
A sequence of Floats specifying the generalized stress values caused by a unit
temperature rise. Six entries must be given if the value of *applyThermalStress* is set
to True. The default value is ("").
scalingData
A sequence of sequences of Floats specifying the scaling factors for given temperatures
and/or field data. Each row should contain (Y, alpha, T, F1,...,Fn). The default value
is an empty sequence.
"""
pass