Solved: Mesh Control not Generating - Autodesk Community
Mar 27, 2025 · Hi All, I am using Nastran 2024 and have an issue with locally refining mesh. When I apply a mesh control and then generate the mesh it does not change the mesh size. At …
Solved: Buckling - Autodesk Community
Mar 19, 2025 · Hi @f.stronz This article gives some of the details: What is a nonlinear buckling analysis in Nastran. In summary, Linear buckling runs a linear static stress analysis first. …
Solved: Re: Understanding mode shapes - Autodesk Community
Dec 5, 2024 · Hi I´m fairly new to Nastran (2022) an vibration analysis as a whole, and I´m having some trouble understanding the mode shapes output from both modal and direct frequency …
How to use existing solutions in subcases (Nonlinear static)?
Feb 26, 2025 · Hello! Its been a while. So, I'd like to know if there's a way to use an existing solution for a subcase in a Nonlinear static simulation with multiple subcases. For instance, for …
Bolt connector Preload- Creating excessive unreal stress
Oct 2, 2024 · Hi @apatel4FM8K . Welcome to Inventor Nastran. The answer is to ignore the high stress. It is not possible to get accurate results underneath a bolt head using a bolt connector. …
Surface contact stress concentrations and penetration
Mar 10, 2025 · Welcome to the Inventor Nastran forum. I think the penetration is insignificant. The difference between 0.142 mm displacement and 0.113 mm displacement is 0.029 mm ( = …
Meshing Problem - No mesh is generated - Autodesk Community
Jul 3, 2024 · See "Meshing failed" in Nastran In-CAD or Inventor Nastran. John John Holtz, P.E. Global Product Support Autodesk, Inc. If not provided, indicate the version of Inventor Nastran …
Understanding buckling analysis - Autodesk Community
Feb 5, 2021 · A nonlinear buckling analysis is very similar to the linear buckling analysis. See What is a nonlinear buckling analysis in Nastran. In some cases, a nonlinear static analysis …
Nastran, modal Analysis, damping coefficient - Autodesk Community
Mar 4, 2025 · When selecting a material in the idealization settings, a window displaying the material properties opens. Among these properties, there is a parameter called the "damping …
Shell and solid element simulation, midsurface and gap
May 8, 2024 · Hello I have a question of shell and solid element simulations. The HSS 3X3 is inserted into HSS 5X5. In the real model, I have the 1/16" gap between the surface and solid …