The objective of this paper is to investigate the elastic strength of cylindrical vessels with hillside nozzle under out-of-plane moment on the nozzle. A total of 5 model vessels with different hillside nozzle angles and loading directions were fabricated for study by experimental and finite element numerical simulation methods. The results indicate that an obvious stress concentration exists at the intersection area between vessel and nozzle. The maximum elastic stress occurs at the inside corner of the nozzle-cylinder intersection in transverse section of the cylinders. The dominant stress is the circumferential stress in the cylindrical vessels. The maximum elastic stress and the stress ratio decrease with an increase in the hillside nozzle angle and so does the nozzle displacement.
Study of Elastic Strength for Cylinders With Hillside Nozzle
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Fang, J., Li, N., Sang, Z. F., and Widera, G. E. O. (July 27, 2009). "Study of Elastic Strength for Cylinders With Hillside Nozzle." ASME. J. Pressure Vessel Technol. October 2009; 131(5): 051202. https://doi.org/10.1115/1.3148085
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