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Analysis of Machine Shaft

Analysis of Machine Shaft

Analysis of Machine Shaft

(OP)
Hello,

I am currently attempting to model a hollow machine shaft which is supported at either end via roller bearings.  The shaft itself is 36mm diameter with a wall thickness of 2mm.  The shaft is radially loaded at three points along its length,at each load point a lubricant point (hole) also exists.

I have run an initial beam model with the end points fully constrained (all dof removed) which concurs with results achieved via hand calculations.  I am now going to attempt to create a solid model but am unsure of the best element type.

I am considering solid45 solid186 and possibly a shell element.  I need to consider the holes at some point which I dont think I can accurately do with shells.

Any advice would be welcomed!

Paul Cunningham
Project Engineer (Mechanical)

 

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