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digital image correlation, drop test, cycling helmet.


The use of a modern digital image correlation method to investigation of drop tests of two chosen cycling helmets types is described in this contribution. The first type  – Arcore T-16 represents the helmets with more rounded uncomplicated surface and the second one – Longus Entry has flatter but more complicated contour. The investigation was directed to

determination of helmets deformation and strain fields during their impact to a barrier. A high-speed system Q-450 Dantec Dynamics with cameras SpeedSense9070 Phantom was used to shoot this short time interval.


Acta Mechanica Slovaca. Volume 16, Issue 2, Pages 22 – 30, ISSN 1335-2393


  Strain Fields Identification of Chosen Cycling Helmets Types by Their Impact Loading


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TERME, 2005.
[2] HUŇADY, R.: Možnosti využitia metódy digitálnej obrazovej korelácie v aplikáciách dynamiky. Dizertačná práca. Košice:Technická univerzita v Košiciach, Strojnícka fakulta, 2010.
[3] HAGARA, M.: Uplatnenie metód obrazovej korelácie v dynamike mechanických sústav. Písomná práca k dizertačnej skúške. Košice: Technická univerzita v Košiciach, Strojnícka
fakulta, 2012.
[4] www.dantecdynamics.com
[5] TREBUŇA, F. et al.: An Application of High-speed Digital Image Correlation in Determination of Modal Parameters. In Acta Mechanica Slovaca, vol. 15, no. 4, 2011,

ISSN 1335-2393
[6] TREBUŇA, F. – ŠIMČÁK, F.: Príručka experimentálnej mechaniky. Košice: Typopress, 2007, ISBN 970-80-8073-816-7

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