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Experimental modal analysis of curved composite beam with transverse open crack
(Academic Press Ltd- Elsevier Science Ltd, 2018) Das, M. Taylan; Yilmaz, Ayse
Curved composite beams are the most widely preferred structures due to their high strength, low weight, corrosion and heat resistance. The aim of this study is to examine the modalities and natural frequencies of curved cracked composite (CCC) beams under different boundary conditions. Numerical and experimental free vibration analyses of curved composite beams with transverse cracks of various depths and locations are presented. Fixed-Fixed and Fixed-Free (cantilever) boundary conditions are used for both numerical and experimental studies. It is observed that the natural frequency values of the modes decrease as the crack depth increase depend on the crack position in the material. (C) 2018 Elsevier Ltd. All rights reserved.