How to resolve "Mesh does not contain any nodes or elements" errors in Inventor Nastran

Autodesk Support

Oct 8, 2023

Products and versions covered

Starting an analysis gives a message:

Nastran File cannot be created due to the following errors:
"Mesh": Mesh does not contain any nodes or elements.

A part does not contain any geometry. See Error: Mesh does not contain any nodes or elements with Nastran (Geometry).
A part is not assigned to an idealization. See Error: Mesh does not contain any nodes or elements with Nastran (Idealization).
If the model includes weld beads from a weldment, see How to use Inventor weldment features in Nastran In-CAD.
Some parts are note meshed in the assembly: Follow the below steps to mesh the part

Find the part which is not meshed, open the part in next Inventor Nastran Environment.
Define the idealization
Try meshing with different mesh size(Start with lowest size of the feature in the part)
Once the part is meshed with different mesh size(Note the mesh size).
Open the assembly > Edit mesh table and mesh the part with above mesh size.

Inventor Nastran;

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