Volume 3: Design and Analysis 2016
DOI: 10.1115/pvp2016-63031
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Analytical Expression of Elastic Follow-Up Factors in Fully-Plastic Situation for Creep-Fatigue Damage Assessment of High Temperature Components

Abstract: To assess creep-fatigue life consumption in a high temperature component, strain ranges and stress relaxation histories are needed to be estimated. Inelastic finite element analysis may provide these structural responses. Performing inelastic FEA is, however, usually costly, and thus simple elastic FEA-route methods to estimate these are preferred to in some practical cases. A simple method employed in a design code for the Japanese proto-type fast breeder reactor uses an elastic follow-up factor, and is appli… Show more

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“…Writing the expression for elastic follow-up in the form of the second part of Eq. ( 6) enables ) , as shown in [12][13][14][15] and here in Fig. 1.…”
Section: The Definition Of Zmentioning
confidence: 53%
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“…Writing the expression for elastic follow-up in the form of the second part of Eq. ( 6) enables ) , as shown in [12][13][14][15] and here in Fig. 1.…”
Section: The Definition Of Zmentioning
confidence: 53%
“…. This expression for elastic follow-up factor has been used by Fujioka [12,13], for example, for relaxation of displacement controlled loading in uncracked structures, by Fujioka [14] for cracked structures and more recently by Je et al [15] for creep relaxation of crack-tip fields in cracked structures. Writing the expression for elastic follow-up in the form of the second part of Eq.…”
Section: The Definition Of Zmentioning
confidence: 99%
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