Create an axisymmetric nonlinear contact

1. Choose Home tab→Loads and Conditions group→Advanced Axisymmetric Nonlinear Contact . Note: Simcenter Nastran SOL 601,106 and SOL 601,129 solutions support advanced nonlinear contact.

2. From the Type list, select the type of target contact region to create. The source region is flexible in both types.Flexible 2D Contact — The target contact region is flexible. Rigid 2D Contact — The target contact region is a sequence of nodes that are not connected to elements. You can tie all nodes on the target to a master node that you define in Master Grid Point.

3. In the Source Region group, select the contacted 2D region. Use the Type Filter to filter your selection by points, mesh points, polygon edges, elements, or nodes.

4. In the Target Region group (or Rigid Target group if you select Rigid 2D Contact as the Type), select the contacting region. If you are defining a flexible 2D contact, you can use the Type Filter to filter your selection by points, mesh points, polygon edges, elements, or nodes. Note: For nonlinear contact, the contact side is controlled using only the target region. For more information, see Advanced nonlinear contact for axisymmetric elements (Simcenter Nastran).If you are defining a rigid 2D contact, select a sequence of nodes that are not connected to elements. The sequence in which you select the nodes determines the contact side of the target region. For more information, see Advanced nonlinear contact for axisymmetric elements (Simcenter Nastran).

5. If you are defining a rigid 2D contact, you can select a single node or point as a “master” node to control the motion of the rigid target contact region. Internally, rigid links connect all the nodes on the rigid target region to this master node. You can then apply a displacement constraint or a load to this node.

6. In the Contact Region Parameters group and Contact Set Parameters group, enter additional properties for the contact between these face pairs. Note: With a rigid 2D contact, you can reverse the target contact side using the Rigid Contact Target Side option (set it to Top or Bottom). For more information about the individual parameters, see the appropriate bulk data entry in the Simcenter Nastran Quick Reference Guide.

7. Click OK to create the contact.

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Pre/Post video examples

Bulk Entry Descriptions

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Create an axisymmetric nonlinear contact, Simcenter 3D 2021.1 Series

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