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Pressure Vessel Nozzle FEA - Constraint Help

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subaruwrc

Petroleum
May 5, 2011
1
GB
I am looking at analysing a nozzle on a pressure vessel in solidworks simulaltion (Cosmos). My attempts so far have resulted in unrealstic stresses / failed runs - my guess is this is down to being over constrained?? Can anyone provide some guidance as to how the model should be constrained.

Model is attached (SW 2009 version)...........
 
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You don't have any restraint set in the y direction. Your model is also missing a pressure balancing force at the flange.
 
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