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In the linked documentation, a crankshaft is imported as a GraphicsComplex, which can then be turned into a Finite Element Mesh for the purposes of Finite Element Analysis. I wondered if anyone knew how one would go about creating one of these GraphicsComplexes. Is the Crankshaft modelled in some sort of CAD software first?

https://www.wolfram.com/mathematica/new-in-10/pdes-and-finite-elements/structural-mechanics-in-3d.html

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    $\begingroup$ I appear to have answered my own question. I created a geometry in SketchUp, and then imported it into Mathematica as a Graphics3D (i.e. Import["file.stl", "Graphics3D"]. Then did command 'ToElementMesh. Other methods would be appreciated too! $\endgroup$ – Hector Crean Jan 13 '20 at 13:06
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    $\begingroup$ Yes, the crankshaft was modeled in a CAD software (not sure which one) and then an STL was exported which could then be imported in Mathematica. $\endgroup$ – user21 Jan 14 '20 at 8:23
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    $\begingroup$ The ElementMesh Generation Turorial has a few examples how to generate meshes for FEM. $\endgroup$ – user21 Jan 14 '20 at 8:26

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