FEA Validation Cylinders with Shrink Fit Contact

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Hi,

I am validating the FEA module from Inventor 2014 according to the Inventor® Stress Analysis Results Validation Whitepaper. http://images.autodesk.com/adsk/files/inventor_simulation_fea_whitepaper_us.pdf

I have a problem with the last case (14. Cylinders with Shrink Fit Contact) in this document.

The Contact Pressure (341 MPa) differs a lot from the theoretical value (276 MPa).

Have I made a mistake in the setup of this analysis (see attachment)?

Roelof Feijen

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