This paper summarizes work done by the Pressure Vessel Research Council (PVRC) on three-dimensional stress criteria, using primarily elastic two and three-dimensional analytical techniques, finite element analysis. The focus of the work was to recommend guidelines on evaluation of elastic stresses relative to the ASME Boiler and Pressure Vessel Code (Code) defined failure modes as they relate to stress limits. The guidelines are developed such that they may be used to update and expand the procedures for evaluating the required stress limits in Code Section VIII, Division 2 and Code Section III, Subsection NB. This paper summarizes the recommendation using ten guidelines. The project addresses eleven example problems, nine of which include finite element analyses. These example problems validate the recommendations. The detailed information is published in the Welding Research Council Bulletin 429, “3-D Stress Criteria Guidelines for Applications.” [S0094-9930(00)01601-2]

Issue Section:
Technical Papers
Keywords:
pressure vessels, stress analysis, elastic deformation, plasticity, failure analysis, bending strength, thermal stresses, internal stresses, classification, finite element analysis
Topics:
Finite element analysis, Stress, Membranes
1.
Hechmer, J. L., and Hollinger, G. L., 1991, “The ASME Code and 3D Stress Evaluation,” ASME J. Pressure Vessel Technol., 113, Nov.
2.
PVRC, 1991, Hechmer, J. L., and Hollinger, G. L., PVRC “Phase 1 Report, Three-Dimensional Stress Criteria,” Grants 89-16 and 90-13, September 12, The Pressure Vessel Research Council, New York, NY.
3.
PVRC, 1997, Hechmer, J. L., and Hollinger, G. L., “PVRC 3D Stress Criteria (Phase 2): Guidelines for Application,” Grant 91-14, Aug., The Pressure Vessel Research Council, New York, NY.
4.
PVRC, 1998, Hechmer, J. L., and Hollinger, G. L., Welding Research Council Bulletin No. 429, “3D Stress Criteria Guidelines for Application,” Feb., The Pressure Vessel Research Council, New York, NY.
5.
ASME, 1998, Boiler and Pressure Vessel Code, Section III, “Rules for Construction of Nuclear Power Plant Components, NB, Class 1 Components,” 1995 Edition, The American Society of Mechanical Engineers, New York, NY.
6.
ASME, 1998, Boiler and Pressure Vessel Code, Section VIII, “Rules for Construction of Pressure Vessels,” Division 2 “Alternate Rules,” 1998 Edition, The American Society of Mechanical Engineers, New York, NY.
Copyright © 2000
 by ASME
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