From the course: Autodesk Nastran In-CAD: Dynamic Analysis
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Example: Nastran editing for dynamic analysis - Nastran In-CAD Tutorial
From the course: Autodesk Nastran In-CAD: Dynamic Analysis
Example: Nastran editing for dynamic analysis
- [Instructor] In this video we're going to look at various ways to editing the Nastran input file by hand. So we're going to use the frequency response plate model and the first thing we're going to do is you should save this off so that when we run this is the directory of all the Nastran files and Resolve files will be written in too. So this is my run area, I'm going to call it Plate Frequency Response Plate mod. Open up the Autodesk Nastran in CAD environment. It's already in modal frequency response. I can see they've got a dynamic set up in here. Now at the moment I've got a cluster between modes in the frequency response. That's set between 30 and 350, 15 modes with a bias which means it's an even bias. Now if I look in the Nastran file, I have to update it to bring it in and then I can look to see what data construct that's created and the keyword is called a FREQ3. So frequency type three. I can click on the Nastran help, and then I get information about what the FREQ3 card…
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