Inventor Nastran Forums - Autodesk Community
Nov 5, 2025 · Welcome to the Autodesk Inventor Nastran Forums. Ask questions, share your knowledge, and make connections.
Solved: Load Application - Autodesk Community
Apr 29, 2020 · Hi @Anonymous Why do you say that applying a load to the top of the plate concentrates it in the middle of the plate? Have you run the analysis? Inventor Nastran does not work that way. …
Solved: Results of Nastran - Autodesk Community
Apr 14, 2024 · You can view results in the Nastran Editor, but its capabilities are limited compared to Inventor. Click the Model/Results tab to show the model. Right-click in the graphics window and …
Solved: Applying Gravitational Forces? - Autodesk Community
Apr 10, 2017 · John Holtz, P.E. Global Product Support Autodesk, Inc. If not provided, indicate the version of Inventor Nastran you are using. If the issue is related to a model, attach the model! See …
Solved: Identify FATAL ERROR E5004 - Autodesk Community
Apr 8, 2022 · The solution was using the Automatic button in the Nastran ribbon to automatically create contact sets between touching surfaces. Once I elected that feature, I was able to run the simulation …
Fatal Error E5004: Stiffness Matrix Singular or Non-Positive Definite
Aug 14, 2014 · Due to the absurdly bad UI, Nastran is a last resort, extremely unplesant, avoid at all cost - super simple case usage only simulation package... the bugs in UI are kiling it miserably.
E5076 - Maximum number of bisections reached - impact analysis
Oct 11, 2017 · Hello @Aadithya01, before we go into the details, there are couple of links of interest just in case you were not aware of them Nastran In-CAD help tutorial "Section 17: Ball Impact Exercise" …
Rigid Body Connector Forces - Autodesk Community
Sep 28, 2020 · View the Nastran file. Find the rigid connector command, either RBE2 (rigid body) or RBE3 (interpolation body). The third column (second number on the line) gives the node number of …
Not utilizing GPU for Post and Preporcessing - Autodesk Community
Jul 30, 2020 · Hi All, I am doing linear static simulation of model approximately 1M elements (Solid+shell) in Nastran In-CAD 2019. The solver runs fast enough but the user interface is painfully …
Suggested Reading - Tips and Trick - Autodesk Community
Oct 4, 2022 · I'm planning to promote the use of Autodesk Nastran in my community developing courses/workshops to my engineering students and local sugar cane mill engineers.