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TECHNICAL PAPERS

Lower Bound Limit Load Determination: The mβ-Multiplier Method

[+] Author and Article Information
R. Seshadri, H. Indermohan

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

J. Pressure Vessel Technol 126(2), 237-240 (May 05, 2004) (4 pages) doi:10.1115/1.1688780 History: Received July 10, 2003; Revised October 21, 2003; Online May 05, 2004
Copyright © 2004 by ASME
Topics: Stress , Pressure
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References

ASME Boiler and Pressure Vessel Code, 2001, Section III, ASME, New York.
ASME Boiler and Pressure Vessel Code, 2001, Section VIII, ASME, New York.
Webster, G., and Ainsworth, R. A., 1994, High Temperature Component Life Assessment, Chapman and Hall, London, UK.
Ainsworth, R. A., Dean, D. W., and Budden, P. J., 2000, “Development in Creep Fracture Assessments within the R5 Procedure,” IUTAM Symposium on Creep in Structures, Nagoya, Japan, pp. 321–330.
PD6539:1994, 1994, Guide to Methods for the Assessment of the Influence of Crack Growth on the Significance of Design in Component Operating at High Temperature, BSI, London, UK.
Seshadri,  R., 1991, “The Generalized Local Stress Strain (GLOSS) Analysis-Theory and Applications,” ASME J. Pressure Vessel Technol., 113, pp. 219–227.
Marriott, D. L., 1988, “Evaluation of Deformation and Load Control of Stresses under Inelastic Conditions using Elastic Finite Element Stress Analysis,” Codes and Standards for Design and Analysis of Pressure Vessel and Piping Components, ASME PVP-Vol. 136, pp. 3–9.
Mackenzie,  D., and Boyle,  J. T., 1993, “A Method of Estimating Limit Loads Using Elastic Analysis, I: Simple Examples,” Int. J. Pressure Vessels Piping, 53, pp. 77–85.
Ponter,  A. R. S., Fuschi,  P., and Engelhardt,  M., 2000, “Limit Analysis for a General Class of Yield Conditions,” Eur. J. Mech. A/Solids, 19, pp. 401–421.
Mura,  T., Rimawi,  W. H., and Lee,  S. L., 1965, “Extended Theorems of Limit Analysis,” Q. Appl. Math., 23, pp. 171–179.
Seshadri,  R., and Mangalaramanan,  S. P., 1997, “Lower Bound Limit Loads Using Variational Concepts: The mα-Method,” Int. J. Pressure Vessels Piping, 71, pp. 93–106.
Pan,  L., and Seshadri,  R., 2002, “Limit Load Estimation using Plastic Flow Parameter in Repeated Elastic Finite Element Analyses,” ASME J. Pressure Vessel Technol., 124, pp. 433–439.
Reinhardt,  W. D., and Seshadri,  R., 2003, “Limit Load Bounds for the mα-Multiplier,” ASME J. Pressure Vessel Technol., 125, pp. 34–56.
ANSYS Engineering Analysis System User’s Manual, 1992, Rev. 5.6. Swanson Analysis System, Houston, PA.

Figures

Grahic Jump Location
mβ-multiplier: reference curve (β=βR)
Grahic Jump Location
Variation of limit load multipliers for thick walled cylinder
Grahic Jump Location
Variation of limit load multipliers for thick flat head
Grahic Jump Location
Variation of limit load multipliers for welded-in flat head
Grahic Jump Location
Variation of limit load multipliers for thin flat head
Grahic Jump Location
Variation of limit load multipliers for compact tension specimen

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