The purpose of this paper is to develop a definitive set of guidelines for carrying out finite element analysis (FEA) modeling of cylinder-to-cylinder intersections. By studying the stresses in the neighborhood of such intersections subjected to internal pressure and external moments (in-plane and out-of-plane moments) resulting from the use of various finite element models, the effects of number of elements along the nozzle circumference, number of elements through the wall thickness and element sizes in the direction perpendicular to nozzle circumference are investigated. Finally, general guidelines are proposed for setting up a FEA model of cylinder-to-cylinder intersections.

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