Abstract
The paper examines the use of simple parametric equations which were developed for calculating stress concentration and stiffness factors at the joints between tubular members of offshore structures for calculating the corresponding factors at cylindrical pressure vessels with external loads applied via nozzle branches. Stress concentration factors calculated in this way are compared with those obtained from published pressure vessel experimental data. Generally good agreement is shown. They are also compared with those obtained by methods commonly applied in the design of pressure vessels.
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