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Helicopter dynamics

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Helicopter dynamics is a field within aerospace engineering concerned with theoretical and practical aspects of helicopter flight. Its comprises helicopter aerodynamics, stability, control, structural dynamics, vibration, and aeroelastic and aeromechanical stability.^[1]

By studying the forces in helicopter flight, improved helicopter designs can be made, though due to the scale and speed of the dynamics, physical testing is non-trivial and expensive. In 2013, a combination of stereophotogrammetry and rigid-body correction in post processing was shown to be a valid tool for performing these studies, and the dynamics of a Robinson R44 helicopter were measured during hovering flight, to determine blade dynamics (e.g. harmonics) and the deflection profile.^[2]

References[edit]

^ Bramwell, A. R. S. (2001). Bramwell's helicopter dynamics (2nd ed.). Reston, VA: American Institute of Aeronautics and Astronautics. ISBN 978-0-7506-5075-5.

^ Lundstrom, Troy; Baqersad, Javad; Niezrecki, Christopher (2013). "Using High-Speed Stereophotogrammetry to Collect Operating Data on a Robinson R44 Helicopter". Special Topics in Structural Dynamics, Volume 6. Conference Proceedings of the Society for Experimental Mechanics Series. Springer: 401–410. doi:10.1007/978-1-4614-6546-1_44. ISBN 978-1-4614-6545-4. Retrieved 18 January 2022.