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Fatigue of Aircraft Structures

The Journal of Institute of Aviation

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Simulating Crack Propagation of a Selected Structural Component of the PZL-130 Orlik TC-II Aircrafts

Krzysztof Jankowski / Piotr Reymer
Published Online: 2015-06-30 | DOI: https://doi.org/10.1515/fas-2014-0013


This paper presents the process of estimating crack propagation within a selected structural component of the PZL-130 Orlik TC-II using a numerical model. The model is based on technical drawings and measurements of the real structure. The proper definition of the geometry, including the location and size of the gap between elements, is significant for mesh generation. During the simulation process the gap is combined node by node. Each time, the strain energy release rate (G) is calculated. The stress intensity factor and geometry correction factor are defined for consecutive crack lengths, and used further on to estimate crack propagation.

Keywords: structural integrity; crack propagation simulation; geometry correction factor


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About the article

Published Online: 2015-06-30

Published in Print: 2014-06-01

Citation Information: Fatigue of Aircraft Structures, Volume 2014, Issue 6, Pages 119–127, ISSN (Online) 2300-7591, DOI: https://doi.org/10.1515/fas-2014-0013.

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© Krzysztof Jankowski et al.. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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