A universal design method for pressurized cylindrical shells with attached nozzles subjected to external forces (moments) and internal pressure are presented, based on theoretical stress analysis. The applicable ranges of the presented design methods are extended to and . As a first step of design, the required reinforcement thicknesses, both of the main shell and nozzle due to internal pressure, can be determined by the presented theoretical solutions. When the junction is subjected to external nozzle loads, the next step is to determine the absolute values of dimensionless longitudinal and circumferential, normal and shear, membrane and bending stresses in the shell at the junction subjected to internal pressure, and six external nozzle load components by reading out from a number of sets of curves calculated by the present theoretical method. Then the stress components at eight examination points are calculated and superimposed for the combined loads. Finally, the membrane and primary plus secondary stress intensities can be calculated, respectively, to meet the design criteria.
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June 2010
Research Papers
An Analytical Method for Cylindrical Shells With Nozzles Due to Internal Pressure and External Loads—Part II: Design Method
Ming-De Xue,
Ming-De Xue
Department of Engineering Mechanics, AML,
Tsinghua University
, Beijing 100084, P.R. China
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Qing-Hai Du,
Qing-Hai Du
China Ship Scientific Research Center
, Wuxi, Jiangsu, 214082, P.R. China
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Keh-Chih Hwang,
Keh-Chih Hwang
Department of Engineering Mechanics, AML,
Tsinghua University
, Beijing 100084, P.R. China
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Zhi-Hai Xiang
Zhi-Hai Xiang
Department of Engineering Mechanics, AML,
Tsinghua University
, Beijing 100084, P.R. China
Search for other works by this author on:
Ming-De Xue
Department of Engineering Mechanics, AML,
Tsinghua University
, Beijing 100084, P.R. China
Qing-Hai Du
China Ship Scientific Research Center
, Wuxi, Jiangsu, 214082, P.R. China
Keh-Chih Hwang
Department of Engineering Mechanics, AML,
Tsinghua University
, Beijing 100084, P.R. China
Zhi-Hai Xiang
Department of Engineering Mechanics, AML,
Tsinghua University
, Beijing 100084, P.R. ChinaJ. Pressure Vessel Technol. Jun 2010, 132(3): 031207 (8 pages)
Published Online: May 19, 2010
Article history
Received:
June 3, 2009
Revised:
January 17, 2010
Online:
May 19, 2010
Published:
May 19, 2010
Connected Content
A companion article has been published:
An Analytical Method for Cylindrical Shells With Nozzles Due to Internal Pressure and External Loads—Part I: Theoretical Foundation
Citation
Xue, M., Du, Q., Hwang, K., and Xiang, Z. (May 19, 2010). "An Analytical Method for Cylindrical Shells With Nozzles Due to Internal Pressure and External Loads—Part II: Design Method." ASME. J. Pressure Vessel Technol. June 2010; 132(3): 031207. https://doi.org/10.1115/1.4001200
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