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Aeroelastic stability analysis of hingeless rotor blades in hover using fully intrinsic equations and dynamic wake model

Mohammadreza Amoozgar (Swansea University, Swansea, UK)
Hossein Shahverdi (Amirkabir University of Technology, Tehran, Tehran, Islamic Republic of Iran)

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 28 May 2019

Issue publication date: 21 August 2019

Abstract

Purpose

This paper aims to develop a new approach for aeroelastic analysis of hingeless rotor blades.

Design/methodology/approach

The aeroelastic approach developed here is based on the geometrically exact fully intrinsic beam equations and three-dimensional unsteady aerodynamics.

Findings

The developed approach is accurate, fast and very useful in rotorcraft aeroelastic analysis.

Originality/value

This beam formulation has been never combined with three-dimensional aerodynamic model to be used for aeroelastic analysis of blades. In addition, it is possible to handle the composite blades, as well as blades with initial curvatures and twist with this proposed formulation.

Keywords

Acknowledgements

The authors would like to thank Dr Tanmoy Chatterjee for his helpful suggestions on proofreading the article.

Citation

Amoozgar, M. and Shahverdi, H. (2019), "Aeroelastic stability analysis of hingeless rotor blades in hover using fully intrinsic equations and dynamic wake model", Aircraft Engineering and Aerospace Technology, Vol. 91 No. 8, pp. 1113-1121. https://doi.org/10.1108/AEAT-07-2018-0212

Publisher

:

Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited