Simplified Elastic-Plastic Analysis Method Using Ke Factors Obtained for the Real Structural Model

[+] Author and Article Information
Asao Okamoto

Operation Control Department, Energy System Division, Ishikawajima-Harima Heavy Industries Co., Ltd., Yokohama, Japane-mail: asao_okamoto@ihi.co.jp

Yasuhiro Ohtake

Structure and Strength Department, Research Laboratory, Ishikawajima-Harima Heavy Industries Co., Ltd., Tokyo, Japane-mail: yasuhiro_ootake@ihi.co.jp

J. Pressure Vessel Technol 125(1), 59-64 (Jan 31, 2003) (6 pages) doi:10.1115/1.1522416 History: Received September 27, 2000; Revised August 19, 2002; Online January 31, 2003
Copyright © 2003 by ASME
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Grahic Jump Location
Strain multiplication factor by Langer 3
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FEA model and evaluation points for a feed water nozzle
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Thermal cycle for Ke calculation
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Cyclic stress-strain curve used in Ke calculation
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History of the principal and equivalent strains
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Hysteresis of hoop stress and strain
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Elastic-plastic equivalent strain distribution (×10−6)
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Ke factor distribution (×10−2)




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