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http://dx.doi.org/10.5139/JKSAS.2019.47.5.319

Bird Strike Analysis and Test of Composite Aircraft Radome  

Won, Moon-Seob (Agency of Defense Development)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.47, no.5, 2019 , pp. 319-325 More about this Journal
Abstract
The main purpose of this study is to compare the bird strike analysis result of the radome composed of composite laminate and sandwich structure attached to aircraft with test result. First of all, we generated bird model which has water properties through SPH(Smoothed Particle Hydrodynamics) method. And then bird strike analysis was conducted with initial velocity of bird measured from bird strike test. From analysis result we investigated whether structural failure occurred or not onto the radome and compare maximum displacement of the radome structure with test result. Also reliability of numerical analysis model was confirmed through time-dependent pressure trend on this collision process matched existing research result. Furthermore, we confirmed that failure behavior of the radome can be affected by density of the particles in the bird model.
Keywords
Bird Strike Analysis; Composite Material; Smoothed Particle Hydrodynamics;
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