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I have been using NX Nastran for FEM analysis of models in the past few years.
At the moment I am using Inventor for this I am struggeling to find a good way to represent a bolt assembly in my FEM calculations.
Normally a bolted connection is just represented by an axis of 1D elements where after calculating I can perfectly get the force that will come onto the bolt.
Hi, If you used Nastran in the past then you should use Autodesk Simulation Mechanical now. In Inventor Simulation you don't have a bolt wizard like in the higher FEM Packages. Dan
![Autodesk Design & Make Report](https://forums.autodesk.com/t5/image/serverpage/image-id/1350519iCB55845EBFC43016/image-size/large?v=v2&px=999" "Autodesk Design & Make Report")