From the course: Additive Manufacturing: Tips, Tricks, and Techniques

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Modeling stresses and printing with filament

Modeling stresses and printing with filament

From the course: Additive Manufacturing: Tips, Tricks, and Techniques

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Modeling stresses and printing with filament

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- [Instructor 1] The ability to model mechanical systems has made it possible to do many engineering trade-offs that wouldn't be economical otherwise. These models use varying techniques to create a computer simulation of a system, the stresses on it, and possibly thermal and other interactions with its environment. Simulations are never perfect and simulating 3D prints is particularly fraught. - [Instructor 2] One way to model the forces, external and internal to a part, is to use finite element analysis or FEA. This analysis breaks apart and relevant forces on it into tiny volume elements. And models the stresses on them by solving a number of complex equations. More or less, you start at the outside of one end of a part. Figure out how much force is being applied to one side of one volume element. And walk your way across the part. Doing this for parts that are the same material throughout is a fairly mature technology.…

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