Affiliation:
1. Center for Nuclear Power Plant Structures, Equipment and Piping, North Carolina State University, Raleigh, NC 27695-7908
Abstract
This paper summarizes the literature on reconciliation of finite element analyses with in-plane bending experiments on piping elbows. It then describes in detail two four-point-bending tests on straight pipes and two in-plane bending tests on elbows and the corresponding nonlinear finite element analyses. Using a new procedure for obtaining a stress-strain curve for stainless steel using only values for E,Sy, and Su and a representative stress-strain curve from a test on a similar material specimen, the nonlinear responses of the piping components tested are shown to be simulated more accurately than previously published results.
Subject
Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality
Reference25 articles.
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2. Mello, R. M., and Griffin, D. S., 1974, “Plastic Collapse Loads for Pipe Elbows Using Inelastic Analysis,” ASME J. Pressure Vessel Technol., pp. 177–183.
3. MARC-CDC, 1971, Nonlinear Finite Element Analysis Program, MARC Analysis Corporation and Control Data Corporation, Minneapolis, MN.
4. Sobel, L. H., and Newman, S. Z., 1980, “Comparison of Experimental and Simplified Analytical Results for the In-Plane Plastic Bending and Buckling of an Elbow,” ASME J. Pressure Vessel Technol., 102, pp. 400–409.
5. MARC-CDC, Version H.3. 1977.
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