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2.2.7 Tutorial 7 - EN 13445-3 Presssure Vessel Welded Shell

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This tutorial provides a step-by-step demonstration for EN 13445-3 welded fatigue analysis using Fatigue+.


A pressure vessel goes through a loading and unloading process.  The stress intensity reaches 305 MPa when loaded with 338oC fluid, and drop to zero when unloaded. The shell of the pressure vessel is made of EN 10028 P355GH.  Wall thickness of the tube is 80 mm.


The segments of cylinder shell of the pressure vessel are welded by full penetration butt weld made from both sides, with testing group 1.


Calculate fatigue life of the welded pressure vessel shell.




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