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It will be helpful to see the areas we're constraining, so select Utility Menu > Plot > Areas. We can see that the hole consists of multiple areas (4, in fact). Hold down the left-click and you can see that there are 4 surfaces that make up the inside of the hole. Pick all 4 and click OK. Select All DOF and click OK. The displacement value can be left blank as it defaults to 0. Symbols appear at the centers of each constrained area indicating that the area is constrained in three directions.

https://confluence.cornell.edu/download/attachments/82384586/constrain+hole.jpg?version=1

Force on Shaft

Main Menu > Preprocessor > Loads > Define Loads > Apply > Structural > Force/Moment > On Keypoints

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What the model looks like now:

https://confluence.cornell.edu/download/attachments/82384586/crank+BC+complete.jpg?version=1

Now let's see some results!

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