Ground resonance: nonlinear modeling and analysis
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DOI: 10.1016/j.ifacol.2020.06.074
Abstract: Abstract Aeromechanical instabilities arising due to frequency coalescence of different modes of a helicopter rotor and fuselage system is investigated. The focus is on removing the small angle approximation typically used for ground resonance analysis… read more here.
Keywords: ground; analysis; ground resonance; rotor fuselage ... See more keywords
Simulation of Tail Boom Vibrations Using Main Rotor-Fuselage Computational Fluid Dynamics (CFD)
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DOI: 10.3390/app7090918
Abstract: In this work, fully-resolved rotor-fuselage interactional aerodynamics is used as the forcing term in a model based on the Euler-Bernoulli equation, aiming to simulate helicopter tail-boom vibration. The model is based on linear beam analysis… read more here.
Keywords: computational fluid; fluid dynamics; boom; tail boom ... See more keywords