Aeroelasticity of Compliant Span Morphing Wings

RM Ajaj (United Arab Emirates University, UAE) & MI Friswell (Swansea University)

Smart Materials and Structures, Vol. 27, No. 10, October 2018, paper 105052

Abstract

A low-fidelity aeroelastic model is developed to study the dynamic behaviour of uniform, cantilever span morphing wings. The wing structure is modelled using the shape functions of the bending and torsional modes of a uniform cantilever wing according to the Rayleigh-Ritz method. Theodorsen's unsteady aerodynamic theory is used to model the aerodynamic loads. A Padé approximation for the Theodorsen's transfer function is utilised to allow time-domain simulation and analysis. The sensitivity of the aeroelastic behaviour of span morphing wings to different geometric parameters and mechanical properties is considered. Furthermore, the impact of morphing rate on the aeroelastic behaviour is studied. Finally, the use of two novel span morphing concepts for flutter suppression is assessed.

Paper Availability

This material has been published in the Journal of Smart Materials and Structures, Vol. 27, No. 10, October 2018, paper 105052, the only definitive repository of the content that has been certified and accepted after peer review. Copyright and all rights therein are retained by the Institute of Physics.


Link to paper using doi: 10.1088/1361-665X/aad219

Smart Materials and Structures

The Institute of Physics