Hypermesh proposes the Boolean Operations tool to list elements/node and create new sets.

 

You can set Boolean operations with the following types:

• Union
• Intersection
• Union-Intersection
• Remove list B from list A
• Remove list A from list B

 

This tool can be found under Aerospace->Sets->Boolean On Sets (Optistruct and Nastran)

 

Aerospace menu is hidden by default. It can be shown by right clicking in the top drop-down menu (View->Ribbons->Aerospace):

 

 

 

Usage Instructions:

Step 1: Select Entity type for the set, nodes or elements

Step 2: Select the Entities in each group

Step 3: Choose the Boolean Operation

Step 4: Choose a name for the new set

Step 5: Click the Create Button