ABAQUS Volume II: I–Z - Manual (Page 157)

*MODEL CHANGE
13.15 *MODEL CHANGE: Remove or reactivate elements and contact pairs.
This option is used to remove or reactivate elements or contact pairs during an analysis.
Product: ABAQUS/Standard
Type: History data
Level: Step
References:
•
“Element and contact pair removal and reactivation,” Section 11.2.1 of the ABAQUS Analysis User’s
Manual
•
“Removing/reactivating ABAQUS/Standard contact pairs,” Section 29.2.6 of the ABAQUS Analysis
User’s Manual
Required, mutually exclusive parameters:
ACTIVATE
Include this parameter in any step during an analysis to indicate that elements or contact pairs may
need to be removed or added during a subsequent restart analysis.
ADD
Include this parameter to indicate that the elements or contact pairs involved are being reactivated
during the step.
Set ADD=STRAIN FREE (or include the ADD parameter without a value) to specify strain-
free reactivation for stress/displacement elements or to reactivate other elements or contact pairs.
Set ADD=WITH STRAIN to specify that stress/displacement elements are reactivated with
strain. This option is not relevant for contact pairs.
REMOVE
Include this parameter to indicate that the elements or contact pairs involved are being removed
during the step.
Optional parameter:
TYPE
This parameter can be used only with the parameters ADD or REMOVE.
Set TYPE=ELEMENT (default) to remove or reactivate elements. Set TYPE=CONTACT
PAIR to remove or reactivate contact pairs.
13.15–1
ABAQUS Version 6.1 Module: ID:
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