When I define expansion joint in AutoPIPE one of requested parameters is "Pressure thrust area". What value should be here specified: a) "Effective area" of expansion joint taken directly from manufacturer's catalog or b) First step - We must calculate a mathematical difference between "effective area" given by manufacturer and crosssectional area of pipe (based on internal diameter of pipe attached to the expansion joint). Second step - We need to input result of such calculation into AutoPIPE as a "Pressure thrust area"?
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