For finding out reliable limit load multipliers in pressure vessel components or structures using simplified limit load methods, proper estimation of reference volume is important. In this paper, two empirical methods namely elastic reference volume method (ERVM) and plastic reference volume method (PRVM) for reference volume correction are presented and compared. These reference volume correction concepts are used in combination with -tangent method and elastic modulus adjustment procedure to achieve converged limit load multiplier solution. These multipliers are compared with nonlinear finite element analysis results and are found to be lower bounded. Elastic reference volume method is the simplest method for reference volume correction when compared to plastic reference volume method.
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February 2013
Research-Article
Comparison of Elastic and Plastic Reference Volume Approaches
P. S. Reddy Gudimetla,
P. S. Reddy Gudimetla
1
e-mail: p.gudimetla@mun.ca
1Corresponding author.
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Munaswamy Katna
Munaswamy Katna
Faculty of Engineering and Applied Science
Memorial University
St. John's, NL, A1B 3X5
, Canada
Search for other works by this author on:
P. S. Reddy Gudimetla
e-mail: p.gudimetla@mun.ca
Munaswamy Katna
Faculty of Engineering and Applied Science
Memorial University
St. John's, NL, A1B 3X5
, Canada
1Corresponding author.
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received March 11, 2011; final manuscript received June 12, 2012; published online November 28, 2012. Assoc. Editor: Maher Y. A. Younan.
J. Pressure Vessel Technol. Feb 2013, 135(1): 011202 (11 pages)
Published Online: November 28, 2012
Article history
Received:
March 11, 2011
Revision Received:
June 12, 2012
Citation
Reddy Gudimetla, P. S., and Katna, M. (November 28, 2012). "Comparison of Elastic and Plastic Reference Volume Approaches." ASME. J. Pressure Vessel Technol. February 2013; 135(1): 011202. https://doi.org/10.1115/1.4007288
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