Identifying parameters of Kohout-Věchet fatigue curve model

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F14%3A00224090" target="_blank" >RIV/68407700:21220/14:00224090 - isvavai.cz</a>
Result on the web
<a href="http://www.kme.zcu.cz/compmech" target="_blank" >http://www.kme.zcu.cz/compmech</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Identifying parameters of Kohout-Věchet fatigue curve model
Original language description
Fatigue curve models represent essential concept for fatigue life evaluation or prediction. In order to approximate experimental data, the parameters of a particular model have to be analyzed, resulting in appropriate parameters related to the evaluatedexperimental set. In this paper, the identification of Kohout-Věchet fatigue curve model parameters is discussed. While using it on a large number of experimental data, some limits of the model were found, and led to its detailed analysis. The parametersof model are interpreted geometrically and some relations generalizing the original work of Kohout and Věchet are derived. Using these general relations, it is shown that the slope of the model is limited, being constrained by other model characteristics. The constraint has a crucial significance for the use of the model as well as for convergence of numerical procedures used for its identification.
Czech name
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Czech description
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Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Book of Extended Abstracts, 30th conference with international participation Computational Mechanics 2014
ISBN
978-80-261-0429-2
ISSN
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e-ISSN
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Number of pages
2
Pages from-to
105-106
Publisher name
University of West Bohemia
Place of publication
Plzeň
Event location
Špičák, Železná Ruda
Event date
Nov 3, 2014
Type of event by nationality
CST - Celostátní akce
UT code for WoS article
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