Greetings, Suggest that you spend a little time and following AutoPIPE help section: Help > Contents> Contents Tab> Modeling Approaches> Modeling Approaches> Bends > Miter Bends section. Take the time to actually model these examples to get a better feel of how the modeling is actually performed. Just to be clear: The graphics will show a round bend, however the bend settings configured are used during the analysis. As mentioned in AutoPIPE help: The user is responsible for predetermining whether the miter bend is closely or widely spaced. The current version of AutoPIPE does not trap an incorrectly specified miter bend. In regards to your comment; "the bend became over-utilised when pressurised", I would not be surprised that a mitered bend fails stress analysis. Because the Hoop code equation is traditionally calculated differently than the normal equation, see AutoPIPE help> Code compliance calculations> select code> year and hoop sub category to see the equation used during an analysis. Regards, Mike Dattilio Design Analysis Engineering Group Senior Analyst Bentley Systems Inc =============================================================================
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