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 first, I …
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. Those results are …
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 response …
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 a 2 subcases …
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 you are …
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 ( = 0.0011 …
Punch file data structure - Autodesk Community
Sep 24, 2016 · (the element is CQUADR) I thought the punch file structure and format is similar for all Nastran software. In the user guide of NX Nastran there are some sample outputs of punch data, …
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 coefficient." …
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 part. In the …
Solved: Hyperelastic Shell - Autodesk Community
Dec 20, 2024 · Nonlinear Static Deformation Analysis I'm modelling a thin part made from a hyperelastic material. With Tet elements, it crashes when I reduce the element size or increase the displacement, …