from abaqusConstants import *
from .BoundaryCondition import BoundaryCondition
from ..Region.Region import Region
[docs]class EulerianMotionBC(BoundaryCondition):
"""The EulerianMotionBC object stores the data for an Eulerian mesh motion boundary
condition.
The EulerianMotionBC object is derived from the BoundaryCondition object.
Attributes
----------
name: str
A String specifying the boundary condition repository key.
followRegion: Boolean
A Boolean specifying whether the mesh will follow a regular surface region or an
Eulerian surface. The default value is ON.
ctrPosition1: SymbolicConstant
A SymbolicConstant specifying the 1-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
ctrPosition2: SymbolicConstant
A SymbolicConstant specifying the 2-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
ctrPosition3: SymbolicConstant
A SymbolicConstant specifying the 3-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
posPosition1: SymbolicConstant
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 1 direction. Possible values are FREE and FIXED. The default
value is FREE.
posPosition2: SymbolicConstant
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 2 direction. Possible values are FREE and FIXED. The default
value is FREE.
posPosition3: SymbolicConstant
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 3 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition1: SymbolicConstant
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 1 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition2: SymbolicConstant
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 2 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition3: SymbolicConstant
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 3 direction. Possible values are FREE and FIXED. The default
value is FREE.
expansionRatio1: float
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
1 direction. If **expansionRatio1=None**, then there is no upper limit. The default value
is None.
expansionRatio2: float
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
2 direction. If **expansionRatio2=None**, then there is no upper limit. The default value
is None.
expansionRatio3: float
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
3 direction. If **expansionRatio3=None**, then there is no upper limit. The default value
is None.
contractRatio1: float
A Float specifying the lower bounds on the allowable scaling of the mesh in the 1
direction. The default value is 0.0.
contractRatio2: float
A Float specifying the lower bounds on the allowable scaling of the mesh in the 2
direction. The default value is 0.0.
contractRatio3: float
A Float specifying the lower bounds on the allowable scaling of the mesh in the 3
direction. The default value is 0.0.
allowContraction: Boolean
A Boolean specifying whether the mesh is allowed to contract . The default value is ON.
aspectLimit: float
A Float specifying the maximum change in allowed aspect ratio (for any of the three mesh
aspects, 1-2, 2-3, 3-1). The default value is 10.0.
vmaxFactor: float
A Float specifying the multiplier for the mesh nodal velocity limit. The default value
is 1.01.
volThreshold: float
A Float specifying the lower bounds on the volume fraction when determining which nodes
to include in the surface bounding box calculation for an Eulerian material surface.
This argument applies only when **followRegion=False**. The default value is 0.5.
bufferSize: float
None or a Float specifying the buffer between the surface box and the Eulerian section
mesh bounding box. The default value is 2.0.
instanceName: str
A String specifying the name of the Eulerian part instance.
materialName: str
A String specifying the name of the Eulerian surface to follow. This argument applies
only when **followRegion=False**.
category: SymbolicConstant
A SymbolicConstant specifying the category of the boundary condition. Possible values
are MECHANICAL and THERMAL.
region: Region
A :py:class:`~abaqus.Region.Region.Region` object specifying the region to which the boundary condition is applied.
localCsys: str
None or a :py:class:`~abaqus.Datum.DatumCsys.DatumCsys` object specifying the local coordinate system of the boundary
condition's degrees of freedom. If **localCsys=None**, the degrees of freedom are defined
in the global coordinate system. The default value is None.
Notes
-----
This object can be accessed by:
.. code-block:: python
import load
mdb.models[name].boundaryConditions[name]
"""
# A String specifying the boundary condition repository key.
name: str = ''
# A Boolean specifying whether the mesh will follow a regular surface region or an
# Eulerian surface. The default value is ON.
followRegion: Boolean = ON
# A SymbolicConstant specifying the 1-direction translational constraint on the center of
# the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
ctrPosition1: SymbolicConstant = FREE
# A SymbolicConstant specifying the 2-direction translational constraint on the center of
# the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
ctrPosition2: SymbolicConstant = FREE
# A SymbolicConstant specifying the 3-direction translational constraint on the center of
# the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
ctrPosition3: SymbolicConstant = FREE
# A SymbolicConstant specifying the translational constraint on the positive (maximum)
# bounds of the mesh in the 1 direction. Possible values are FREE and FIXED. The default
# value is FREE.
posPosition1: SymbolicConstant = FREE
# A SymbolicConstant specifying the translational constraint on the positive (maximum)
# bounds of the mesh in the 2 direction. Possible values are FREE and FIXED. The default
# value is FREE.
posPosition2: SymbolicConstant = FREE
# A SymbolicConstant specifying the translational constraint on the positive (maximum)
# bounds of the mesh in the 3 direction. Possible values are FREE and FIXED. The default
# value is FREE.
posPosition3: SymbolicConstant = FREE
# A SymbolicConstant specifying the translational constraint on the negative (minimum)
# bounds of the mesh in the 1 direction. Possible values are FREE and FIXED. The default
# value is FREE.
negPosition1: SymbolicConstant = FREE
# A SymbolicConstant specifying the translational constraint on the negative (minimum)
# bounds of the mesh in the 2 direction. Possible values are FREE and FIXED. The default
# value is FREE.
negPosition2: SymbolicConstant = FREE
# A SymbolicConstant specifying the translational constraint on the negative (minimum)
# bounds of the mesh in the 3 direction. Possible values are FREE and FIXED. The default
# value is FREE.
negPosition3: SymbolicConstant = FREE
# None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
# 1 direction. If *expansionRatio1*=None, then there is no upper limit. The default value
# is None.
expansionRatio1: float = None
# None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
# 2 direction. If *expansionRatio2*=None, then there is no upper limit. The default value
# is None.
expansionRatio2: float = None
# None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
# 3 direction. If *expansionRatio3*=None, then there is no upper limit. The default value
# is None.
expansionRatio3: float = None
# A Float specifying the lower bounds on the allowable scaling of the mesh in the 1
# direction. The default value is 0.0.
contractRatio1: float = 0
# A Float specifying the lower bounds on the allowable scaling of the mesh in the 2
# direction. The default value is 0.0.
contractRatio2: float = 0
# A Float specifying the lower bounds on the allowable scaling of the mesh in the 3
# direction. The default value is 0.0.
contractRatio3: float = 0
# A Boolean specifying whether the mesh is allowed to contract . The default value is ON.
allowContraction: Boolean = ON
# A Float specifying the maximum change in allowed aspect ratio (for any of the three mesh
# aspects, 1-2, 2-3, 3-1). The default value is 10.0.
aspectLimit: float = 10
# A Float specifying the multiplier for the mesh nodal velocity limit. The default value
# is 1.01.
vmaxFactor: float = 1
# A Float specifying the lower bounds on the volume fraction when determining which nodes
# to include in the surface bounding box calculation for an Eulerian material surface.
# This argument applies only when *followRegion*=False. The default value is 0.5.
volThreshold: float = 0
# None or a Float specifying the buffer between the surface box and the Eulerian section
# mesh bounding box. The default value is 2.0.
bufferSize: float = 2
# A String specifying the name of the Eulerian part instance.
instanceName: str = ''
# A String specifying the name of the Eulerian surface to follow. This argument applies
# only when *followRegion*=False.
materialName: str = ''
# A SymbolicConstant specifying the category of the boundary condition. Possible values
# are MECHANICAL and THERMAL.
category: SymbolicConstant = None
# A Region object specifying the region to which the boundary condition is applied.
region: Region = Region()
# None or a DatumCsys object specifying the local coordinate system of the boundary
# condition's degrees of freedom. If *localCsys*=None, the degrees of freedom are defined
# in the global coordinate system. The default value is None.
localCsys: str = None
def __init__(self, name: str, createStepName: str, instanceName: str, followRegion: Boolean = ON,
region: Region = Region(), materialName: str = '',
ctrPosition1: SymbolicConstant = FREE, posPosition1: SymbolicConstant = FREE,
negPosition1: SymbolicConstant = FREE, expansionRatio1: float = None,
contractRatio1: float = 0, ctrPosition2: SymbolicConstant = FREE,
posPosition2: SymbolicConstant = FREE, negPosition2: SymbolicConstant = FREE,
expansionRatio2: float = None, contractRatio2: float = 0,
ctrPosition3: SymbolicConstant = FREE, posPosition3: SymbolicConstant = FREE,
negPosition3: SymbolicConstant = FREE, expansionRatio3: float = None,
contractRatio3: float = 0, allowContraction: Boolean = ON, aspectLimit: float = 10,
vmaxFactor: float = 1, volThreshold: float = 0, bufferSize: float = 2):
"""This method creates an EulerianMotionBC object.
Notes
-----
This function can be accessed by:
.. code-block:: python
mdb.models[name].EulerianMotionBC
Parameters
----------
name
A String specifying the boundary condition repository key.
createStepName
A String specifying the name of the step in which the boundary condition is created.
instanceName
A String specifying the name of the Eulerian part instance.
followRegion
A Boolean specifying whether the mesh will follow a regular surface region or an
Eulerian surface. The default value is ON.
region
A Region object specifying the region to which the boundary condition is applied.
materialName
A String specifying the name of the Eulerian surface to follow. This argument applies
only when *followRegion*=False.
ctrPosition1
A SymbolicConstant specifying the 1-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
posPosition1
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 1 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition1
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 1 direction. Possible values are FREE and FIXED. The default
value is FREE.
expansionRatio1
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
1 direction. If *expansionRatio1*=None, then there is no upper limit. The default value
is None.
contractRatio1
A Float specifying the lower bounds on the allowable scaling of the mesh in the 1
direction. The default value is 0.0.
ctrPosition2
A SymbolicConstant specifying the 2-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
posPosition2
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 2 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition2
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 2 direction. Possible values are FREE and FIXED. The default
value is FREE.
expansionRatio2
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
2 direction. If *expansionRatio2*=None, then there is no upper limit. The default value
is None.
contractRatio2
A Float specifying the lower bounds on the allowable scaling of the mesh in the 2
direction. The default value is 0.0.
ctrPosition3
A SymbolicConstant specifying the 3-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
posPosition3
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 3 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition3
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 3 direction. Possible values are FREE and FIXED. The default
value is FREE.
expansionRatio3
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
3 direction. If *expansionRatio3*=None, then there is no upper limit. The default value
is None.
contractRatio3
A Float specifying the lower bounds on the allowable scaling of the mesh in the 3
direction. The default value is 0.0.
allowContraction
A Boolean specifying whether the mesh is allowed to contract . The default value is ON.
aspectLimit
A Float specifying the maximum change in allowed aspect ratio (for any of the three mesh
aspects, 1-2, 2-3, 3-1). The default value is 10.0.
vmaxFactor
A Float specifying the multiplier for the mesh nodal velocity limit. The default value
is 1.01.
volThreshold
A Float specifying the lower bounds on the volume fraction when determining which nodes
to include in the surface bounding box calculation for an Eulerian material surface.
This argument applies only when *followRegion*=False. The default value is 0.5.
bufferSize
None or a Float specifying the buffer between the surface box and the Eulerian section
mesh bounding box. The default value is 2.0.
Returns
-------
An EulerianMotionBC object.
"""
super().__init__()
pass
[docs] def setValues(self, instanceName: str = '', followRegion: Boolean = ON, region: Region = Region(),
materialName: str = '', ctrPosition1: SymbolicConstant = FREE,
posPosition1: SymbolicConstant = FREE, negPosition1: SymbolicConstant = FREE,
expansionRatio1: float = None, contractRatio1: float = 0,
ctrPosition2: SymbolicConstant = FREE, posPosition2: SymbolicConstant = FREE,
negPosition2: SymbolicConstant = FREE, expansionRatio2: float = None,
contractRatio2: float = 0, ctrPosition3: SymbolicConstant = FREE,
posPosition3: SymbolicConstant = FREE, negPosition3: SymbolicConstant = FREE,
expansionRatio3: float = None, contractRatio3: float = 0,
allowContraction: Boolean = ON, aspectLimit: float = 10, vmaxFactor: float = 1,
volThreshold: float = 0, bufferSize: float = 2):
"""This method modifies the data for an existing EulerianMotionBC object in the step where
it is created.
Parameters
----------
instanceName
A String specifying the name of the Eulerian part instance.
followRegion
A Boolean specifying whether the mesh will follow a regular surface region or an
Eulerian surface. The default value is ON.
region
A Region object specifying the region to which the boundary condition is applied.
materialName
A String specifying the name of the Eulerian surface to follow. This argument applies
only when *followRegion*=False.
ctrPosition1
A SymbolicConstant specifying the 1-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
posPosition1
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 1 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition1
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 1 direction. Possible values are FREE and FIXED. The default
value is FREE.
expansionRatio1
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
1 direction. If *expansionRatio1*=None, then there is no upper limit. The default value
is None.
contractRatio1
A Float specifying the lower bounds on the allowable scaling of the mesh in the 1
direction. The default value is 0.0.
ctrPosition2
A SymbolicConstant specifying the 2-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
posPosition2
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 2 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition2
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 2 direction. Possible values are FREE and FIXED. The default
value is FREE.
expansionRatio2
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
2 direction. If *expansionRatio2*=None, then there is no upper limit. The default value
is None.
contractRatio2
A Float specifying the lower bounds on the allowable scaling of the mesh in the 2
direction. The default value is 0.0.
ctrPosition3
A SymbolicConstant specifying the 3-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
posPosition3
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 3 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition3
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 3 direction. Possible values are FREE and FIXED. The default
value is FREE.
expansionRatio3
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
3 direction. If *expansionRatio3*=None, then there is no upper limit. The default value
is None.
contractRatio3
A Float specifying the lower bounds on the allowable scaling of the mesh in the 3
direction. The default value is 0.0.
allowContraction
A Boolean specifying whether the mesh is allowed to contract . The default value is ON.
aspectLimit
A Float specifying the maximum change in allowed aspect ratio (for any of the three mesh
aspects, 1-2, 2-3, 3-1). The default value is 10.0.
vmaxFactor
A Float specifying the multiplier for the mesh nodal velocity limit. The default value
is 1.01.
volThreshold
A Float specifying the lower bounds on the volume fraction when determining which nodes
to include in the surface bounding box calculation for an Eulerian material surface.
This argument applies only when *followRegion*=False. The default value is 0.5.
bufferSize
None or a Float specifying the buffer between the surface box and the Eulerian section
mesh bounding box. The default value is 2.0.
"""
pass
[docs] def setValuesInStep(self, stepName: str, ctrPosition1: SymbolicConstant = FREE,
posPosition1: SymbolicConstant = FREE, negPosition1: SymbolicConstant = FREE,
expansionRatio1: float = None, contractRatio1: float = 0,
ctrPosition2: SymbolicConstant = FREE, posPosition2: SymbolicConstant = FREE,
negPosition2: SymbolicConstant = FREE, expansionRatio2: float = None,
contractRatio2: float = 0, ctrPosition3: SymbolicConstant = FREE,
posPosition3: SymbolicConstant = FREE, negPosition3: SymbolicConstant = FREE,
expansionRatio3: float = None, contractRatio3: float = 0,
allowContraction: Boolean = ON, aspectLimit: float = 10, vmaxFactor: float = 1,
volThreshold: float = 0, bufferSize: float = 2):
"""This method modifies the propagating data for an existing EulerianMotionBC object in the
specified step.
Parameters
----------
stepName
A String specifying the name of the step in which the boundary condition is modified.
ctrPosition1
A SymbolicConstant specifying the 1-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
posPosition1
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 1 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition1
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 1 direction. Possible values are FREE and FIXED. The default
value is FREE.
expansionRatio1
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
1 direction. If *expansionRatio1*=None, then there is no upper limit. The default value
is None.
contractRatio1
A Float specifying the lower bounds on the allowable scaling of the mesh in the 1
direction. The default value is 0.0.
ctrPosition2
A SymbolicConstant specifying the 2-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
posPosition2
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 2 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition2
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 2 direction. Possible values are FREE and FIXED. The default
value is FREE.
expansionRatio2
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
2 direction. If *expansionRatio2*=None, then there is no upper limit. The default value
is None.
contractRatio2
A Float specifying the lower bounds on the allowable scaling of the mesh in the 2
direction. The default value is 0.0.
ctrPosition3
A SymbolicConstant specifying the 3-direction translational constraint on the center of
the Eulerian mesh. Possible values are FREE and FIXED. The default value is FREE.
posPosition3
A SymbolicConstant specifying the translational constraint on the positive (maximum)
bounds of the mesh in the 3 direction. Possible values are FREE and FIXED. The default
value is FREE.
negPosition3
A SymbolicConstant specifying the translational constraint on the negative (minimum)
bounds of the mesh in the 3 direction. Possible values are FREE and FIXED. The default
value is FREE.
expansionRatio3
None or a Float specifying the upper bounds on the allowable scaling of the mesh in the
3 direction. If *expansionRatio3*=None, then there is no upper limit. The default value
is None.
contractRatio3
A Float specifying the lower bounds on the allowable scaling of the mesh in the 3
direction. The default value is 0.0.
allowContraction
A Boolean specifying whether the mesh is allowed to contract . The default value is ON.
aspectLimit
A Float specifying the maximum change in allowed aspect ratio (for any of the three mesh
aspects, 1-2, 2-3, 3-1). The default value is 10.0.
vmaxFactor
A Float specifying the multiplier for the mesh nodal velocity limit. The default value
is 1.01.
volThreshold
A Float specifying the lower bounds on the volume fraction when determining which nodes
to include in the surface bounding box calculation for an Eulerian material surface.
This argument applies only when *followRegion*=False. The default value is 0.5.
bufferSize
None or a Float specifying the buffer between the surface box and the Eulerian section
mesh bounding box. The default value is 2.0.
"""
pass