The default mesh applied by Inventor Nastran needs to be refined to capture the changing fiber orientation distribution throughout the model. Each integration point will represent a unique fiber orientation tensor when mapped in Advanced Material Exchange. We also need to disable reduced integration for the CTETRA elements.
- Click
Mesh Settings.
- Change the Element size to 4 mm.
- Click Generate Mesh.
- Click
OK.
- In the project tree, double-click
Parameters
.
- Type
TETREDORD in the Find field.
- Set TETREDORD to OFF in the drop-down menu.
- Click OK.
The MATXM entry, which defines the Advanced Material Exchange material, requires that reduced integration is turned off. To do so: