Experimental Validation of Crack Growth Prognosis under Variable Amplitude Loads

2012 ◽  
Author(s):  
Sang Leem ◽  
Dawn An ◽  
Che Lim ◽  
Woongki Hwang ◽  
Jooho Choi
Keyword(s):  
Crack Growth ◽  
Experimental Validation ◽  
Variable Amplitude ◽  
Growth Prognosis

scholarly journals Experimental Validation of Crack Growth Prognosis under Variable Amplitude Loads

2012 ◽  
Vol 25 (3) ◽  
pp. 267-275 ◽  
Author(s):  
Sang-Hyuck Leem ◽  
Dawn An ◽  
Che-Kyu Lim ◽  
Woongki Hwang ◽  
Joo-Ho Choi
Keyword(s):  
Crack Growth ◽  
Experimental Validation ◽  
Variable Amplitude ◽  
Growth Prognosis

Application of the Strip Yield Model to Crack Growth Predictions for Structural Steel

2010 ◽  
Vol 57 (1) ◽  
pp. 1-20
Author(s):  
Małgorzata Skorupa ◽  
Tomasz Machniewicz
Keyword(s):  
Structural Steel ◽  
Crack Growth ◽  
Model Calibration ◽  
Load History ◽  
Yield Model ◽  
Variable Amplitude Loading ◽  
Variable Amplitude ◽  
Constraint Factors ◽  
Strip Yield Model ◽  
Closure Mechanism

Application of the Strip Yield Model to Crack Growth Predictions for Structural SteelA strip yield model implementation by the present authors is applied to predict fatigue crack growth observed in structural steel specimens under various constant and variable amplitude loading conditions. Attention is paid to the model calibration using the constraint factors in view of the dependence of both the crack closure mechanism and the material stress-strain response on the load history. Prediction capabilities of the model are considered in the context of the incompatibility between the crack growth resistance for constant and variable amplitude loading.

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