Engineering Mechanics

International Conference

Proceedings Vol. 9 (2003)


May 11 – 15, 2003, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2003 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 80-86246-18-3 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Fracture behaviour of the short crack near the stress concentrator
Hutař P., Knésl Z.
pages 122 - +8p., full text

A two-parameter fracture mechanics method is applied to small cracks near a stress concentrator. The small crack in the present contribution is considered as crack influenced by the stress concentrator. The sharp V-notch or V-notch with radius are studied here. The effect of V-notch geometry on the small crack fracture parameters is analysed. The necessary calculations are performed. by using a finite element method (system Ansys). Obtained results are discussed from point of view of the small crack behaviour. The small fatigue crack growth is especially influenced by the constraint level. The results improve the quality of fatigue life estimation of structure with concentrators.

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All papers were reviewed by members of the scientific committee.

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