Boundary Set
Select the Boundary
Set under which the Change Attribute has to be assigned . Click
to invoke the Define Boundary
Set dialog to Add, Modify or Delete Boundary Set(s).
Select Object
Select the objects
to which the Attribute Change Boundary Set will be assigned.
Attribute
Ground
Material
Select in case
of changing the properties of ground elements (Selection switches
to 2D elements).
Structural
Property
Select in case
of changing the properties of structural elements (Selection switches
to 1D elements).
Note: Select
the property to be changed consistent with the object selection
method. Boundary Set can be created only when the properties attribute
before the change is identical to that after the change. For
example, if the changing objects are structural elements, then
the attribute after the change must be of Structural Property.
Click to Add,
Modify or Delete Ground
Material Property (Structural
Property).
The dialog box will be initialized.
After creating the boundary condition, the dialog box will close
upon clicking.
Click the ESC key to close the dialog box.
After creating the boundary condition, the work process will switch
to the state of Select Element upon clicking.
Note: The
diagrams below show that the ground layers are originally consisted
of A and B, and the Ground Material Property changes from B to
C during Construction Stages. In such a case, the change in the
ground condition is reflected by Change Attribute rather than
creating additional elements.
An
example may be the case of Shotcrete being cured in Construction
Stages in Tunnel Analysis.
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