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RIGID BODY
17.18
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RIGID BODY: Define a set of elements as a rigid body and define rigid element
properties.
This option is used to bind a set of elements and/or a set of nodes and/or an analytical surface into a rigid
body and assign a reference node to the rigid body, which can optionally be declared as an isothermal rigid
body for fully coupled thermal-stress analysis. It is also used to specify density, thickness, and offset for rigid
elements that are part of a rigid body in an ABAQUS/Explicit analysis.
Products: ABAQUS/Standard ABAQUS/Explicit
Type: Model data
Level: Part, Part instance, Assembly
References:
•
“Rigid elements,” Section 24.3.1 of the ABAQUS Analysis User’s Manual
•
“Defining analytical rigid surfaces,” Section 2.3.4 of the ABA QUS Analysis User’s Manual
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“Rigid body definition,” Section 2.4.1 of the ABAQUS Analysis User’s Manual
Required parameter:
REF NODE
Set this parameter equal to either the node number of the rigid body reference node or the name of
a node set containing the rigid body reference node. If the name of a node set is chosen, the node
set must contain exac tly one node.
Optional parameters:
ANALYTICAL SURFA CE
Set this parameter equal to the name of the analytical surface to be assigned to the rigid body.
ELSET
Set this parameter equal to the nam e of the elem ent set containing the elements to be assigned to
the rigid body. An element cannot appear in more than one rigid body.
ISOTHERMAL
This parameter is used only for fully coupled thermal-stress analysis.
Set this parameter equal to YES to specify an isothermal rigid body. The default is
ISOTHERMAL=NO.
17.18–1
ABAQUS Version 6.1 Module:
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