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Impact Response Analysis of Composite Plate with Different Fiber Orientation Angles

SHO KAJIHARA, TAKAHIRA AOKI, TOMOHIRO YOKOZEKI, RYO HIGUCHI

Abstract


In this study, we established an analytical model of rectangular plate as a carbon fiber reinforced plastic (CFRP) fan blade, and simulated propagation of strain due to a foreign object collision such as a bird strike. The effect of fiber orientation angles was investigated as one method to reduce the propagating strain. In this model, large deflection caused by bird-striking is considered and nonlinear vibration equation derived from Rayleigh-Ritz method was integrated using Newmark-β method. It was shown that the strain propagates to the spanwise tip of the fan blade and causes detrimental damage there. It was also suggested that changing the fiber orientation angle of CFRP can reduce the strain transmitted to the tip of fan blade.


DOI
10.12783/asc36/35798

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