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RESEARCH PAPERS

Limit Loads of Pressure Components Using the Reference Two-Bar Structure

[+] Author and Article Information
R. Seshadri

Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John’s, NL, Canada, A1B 3X5

R. Adibi-Asl

Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John’s, NL, Canada, A1B 3X5radibi@engr.mun.ca

J. Pressure Vessel Technol 129(2), 280-286 (Jul 12, 2006) (7 pages) doi:10.1115/1.2716432 History: Received January 27, 2006; Revised July 12, 2006

Limit loads for mechanical components and structures are determined in this paper by invoking the concept of equivalence of “static indeterminacy,” which relates a multidimensional pressure component configuration to a “reference two-bar structure.” Simple scaling relationships are developed that enable the rapid determination of limit loads. The reference two-bar structure method is applied to a number of pressure component configurations with or without notches.

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Copyright © 2007 by American Society of Mechanical Engineers
Topics: Pressure , Stress
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References

Figures

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Figure 1

Regions of lower and upper bounds of mα

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Figure 2

Collapse mechanism for a beam with a distributed load

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Figure 4

Reference two-bar structure

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Figure 5

Constraint map for thick-walled cylinder

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Figure 6

Component constraint map for torispherical head

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Figure 7

Component constraint map for plate with a hole

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Figure 8

Constraint map for nonsymmetric plate

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