Introducing Measured Initial Stresses In Shakedown And Fatigue Analysis

Experiments on engineering components show how important is the initial stress state due the elaboration processes with respect to service life conditions. So taking into account these will greatly improve the design process and help to find out an optimized initial distribution for residual stresse...

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Bibliographic Details
Published inWIT Transactions on Engineering Sciences Vol. 7
Main Authors Hassine, T, Inglebeif, G
Format Journal Article
LanguageEnglish
Published Southampton W I T Press 01.01.1995
Subjects
Algorithms
Initial stresses
Residual stress
Service life
Stress concentration
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Summary:Experiments on engineering components show how important is the initial stress state due the elaboration processes with respect to service life conditions. So taking into account these will greatly improve the design process and help to find out an optimized initial distribution for residual stresses. A lot of work has been done on some elaboration processes or finishing surface treatments such as nitriding, shot-peening (Hamdane [1]), cutting,..., but in real components many processes could be implied and one cannot be sure to find a complete model to predict or evaluate residual stresses. We derive an algorithm to introduce these measured initial stresses according to the particular geometry of the studied part (suitable for
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ISSN:1746-4471
1743-3533
DOI:10.2495/CON950481