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Our guide to NASTRAN 101 provides essential insights into simulation analysis. Master the basics, improve your skills, and make decisions for simulations.

NASTRAN is a finite element analysis (FEA) program that was originally developed for NASA in the late 1960s under United States government funding for the aerospace industry.

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Mar 25, 2013 · NX NASTRAN has the following Strain/Stress methods to recover results at corner points: • SGAGE, • CUBIC, • CORNER and • BILINEAR. All the methods start by recovering strain at the element center and gauss points using the elemental strain matrix and the computed grid point displacements.

To understand how FEMAP runs is critical to understand what happens with the solver NX NASTRAN, because FEMAP only plot the results coming from the solver. For CQUAD4, …

The NX Nastran Theoretical Manual says it best: “Although it is one of the simplest of structural elements and one that is well known to everybody, the beam has been a troublesome element in the development of NASTRAN, due to difficulty in selecting the properties that it should have.

NX Nastran has very good technology for joining tets-to-hexs, plates-to-solids and likewise plates-to-plates. Although this might sound obvious but one of the real benefits is that one can directly extract bolt axial and shear forces for downstream bolt calculations.

Nov 10, 2021 · That command generates a new Nastran file and overwrites the manual changes you make. If you make manual changes to the Nastran file in the "Nastran File" tab of the Inventor browser, you need to click the first button on the toolbar ("Run Nastran File".)