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Appl. Sci. 2017, 7(9), 918; doi:10.3390/app7090918

Simulation of Tail Boom Vibrations Using Main Rotor-Fuselage Computational Fluid Dynamics (CFD)

1
Aerohydrodynamics Department, Kazan National Research Technical University n.a. A.N. Tupolev (KNRTU-KAI), 10 Karl Marx St., Kazan 420111, Russia
2
School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK
*
Author to whom correspondence should be addressed.
Received: 25 July 2017 / Revised: 29 August 2017 / Accepted: 1 September 2017 / Published: 7 September 2017
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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 and captures the effect of the blade-passing as well as the effect of the changing force direction on the boom. The Computational Fluid Dynamics (CFD) results were obtained using a well-validated helicopter simulation tool. Results for the tail-boom vibration are not validated due to lack of experimental data, but were obtained using an established analytical approach and serve to demonstrate the strong effect of aerodynamics on tail-boom aeroelastic behavior. View Full-Text
Keywords: Computational Fluid Dynamics (CFD); helicopter main rotor; tail-boom vibration; Euler-Bernoulli equation Computational Fluid Dynamics (CFD); helicopter main rotor; tail-boom vibration; Euler-Bernoulli equation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Batrakov, A.; Kusyumov, A.; Kusyumov, S.; Mikhailov, S.; Barakos, G.N. Simulation of Tail Boom Vibrations Using Main Rotor-Fuselage Computational Fluid Dynamics (CFD). Appl. Sci. 2017, 7, 918.

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