The objective of this work is to study the plastic limit load of cylindrical vessels with different lateral angles under increasing internal loadings. Three full size test vessels with different structure dimensions were fabricated for testing. A three-dimensional, nonlinear, finite element numerical simulation was also performed. The approximate plastic limit load was obtained using a twice-elastic-slope criterion. The plastic deformation characteristics for the analysis model are discussed. The results show that distinct deformation characteristics occurred on the three experimental vessels. The intersection area shrank in the longitudinal section of the cylinder, while bulges appeared in the transverse section. The angle between the axis of lateral and the cylinder increased. The plastic limit loads determined by experiment and numerical simulation methods are in good agreement.
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November 2008
Research Papers
Study of Plastic Limit Load on Pressurized Cylinders With Lateral Nozzle
N. Li,
N. Li
Department of Mechanical and Power Engineering,
Nanjing University of Technology
, Nanjing 210009, P.R.C.
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Z. F. Sang,
Z. F. Sang
Department of Mechanical and Power Engineering,
e-mail: zfsang@njut.edu.cn
Nanjing University of Technology
, Nanjing 210009, P.R.C.
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G. E. O. Widera
G. E. O. Widera
Center for Joining and Manufacturing Assembly,
Marquette University
, Milwaukee, WI 53233
Search for other works by this author on:
N. Li
Department of Mechanical and Power Engineering,
Nanjing University of Technology
, Nanjing 210009, P.R.C.
Z. F. Sang
Department of Mechanical and Power Engineering,
Nanjing University of Technology
, Nanjing 210009, P.R.C.e-mail: zfsang@njut.edu.cn
G. E. O. Widera
Center for Joining and Manufacturing Assembly,
Marquette University
, Milwaukee, WI 53233J. Pressure Vessel Technol. Nov 2008, 130(4): 041210 (7 pages)
Published Online: October 2, 2008
Article history
Received:
November 10, 2006
Revised:
June 25, 2007
Published:
October 2, 2008
Citation
Li, N., Sang, Z. F., and Widera, G. E. O. (October 2, 2008). "Study of Plastic Limit Load on Pressurized Cylinders With Lateral Nozzle." ASME. J. Pressure Vessel Technol. November 2008; 130(4): 041210. https://doi.org/10.1115/1.2967743
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