Abstract

The development of a finite element computational method is described, which is intended for determining the detailed distribution of strain and stress (inclusive the peak stresses) in nozzle-to-cylinder intersections for sufficiently small d D ratios (typically d D ⩽ 1 4 ). The proposed method can be considered as an extension of the computational method for the biaxially loaded nozzle-to-flat plate connection presented previously, which is based upon the finite element method for solids of revolution under non-axisymmetric loadings. The two computational methods (nozzle-to-flat plate and nozzle-to-cylindrical vessel) are compared with each other and the reliability of both is evaluated by comparison with experimental evidence.

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