ElementRegion
The ElementRegion
class defines a region based on a set of specific elements or an element range. This allows you to apply damping and other properties to particular finite elements in your model.
Parameters
damping
: Optional damping instance to associate with the regionelements
: List of specific element IDs to include in the regionelement_range
: Alternative to elements; defines a range of elements [start_element_id, end_element_id]element_only
: Boolean flag indicating whether to include only the elements (default: False)
Usage
Creating an ElementRegion with specific elements:
from femora.components.Region.regionBase import RegionManager
region_manager = RegionManager()
# Create a region with specific elements
element_region = region_manager.create_region(
'ElementRegion',
elements=[1, 2, 3, 4, 5]
)
Creating an ElementRegion with an element range:
# Create a region with an element range (elements 1 through 100)
element_range_region = region_manager.create_region(
'ElementRegion',
element_range=[1, 100]
)
Associating damping with an ElementRegion:
from femora.components.Damping.dampingBase import DampingManager
damping_manager = DampingManager()
# Create a damping instance
rayleigh_damping = damping_manager.create_damping(
'rayleigh',
alphaM=0.05,
betaK=0.001
)
# Create a region with elements and damping
element_region = region_manager.create_region(
'ElementRegion',
damping=rayleigh_damping,
elements=[1, 2, 3, 4, 5],
element_only=True
)
Notes
You cannot specify both
elements
andelement_range
simultaneouslyThe
element_only
flag is used to indicate that only the elements themselves are included (not associated nodes)When constructing with
element_range
, provide exactly two values: [start_id, end_id]