From the course: Autodesk Nastran In-CAD: Dynamic Analysis

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Mass modeling examples, part 1

Mass modeling examples, part 1 - Nastran In-CAD Tutorial

From the course: Autodesk Nastran In-CAD: Dynamic Analysis

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Mass modeling examples, part 1

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- [Instructor] In this exercise we're going to have an assembly with two parts. One of those parts we're going replace with an equivalent lump mass element and also a rigid spider down to the other component. So let's open up the assembly and you can see it's made up of two parts: box and plate. And in the little preview we can see them together there. So let's go to environment and we open up our Autodesk Nastran In-CAD environment. I've opened up the model tree and then I'm going to the material. Edit the generic material. Again, I'm going to choose a standard material we're going to be using from the Inventory Library, which is going to be the carbon steel. Click OK. These are the properties that we want again. It's a mass density. I'm then going to copy that value, 'cause I'm going to use that a bit later on. Now in the Model Library, you've got an option to setup concentrated masses, so that's what I'm going to select. And then I have two options, either manual or automatic. I'm…

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