M. Amprikidis, J.E. Cooper, C. Rogerson, G.A. Vio

This paper describes part of a research programme investigating the development of "adaptive internal structures" concepts to enable active aeroelastic control of aerospace structures. A number of different concepts have been considered as part of the EU funded Active Aeroelastic Aircraft Structures (3AS) project that allow the bending and torsional stiffness of aircraft wings to be controlled through changes in the internal aircraft structure. It is shown how the static aeroelastic behaviour, in particular bending and twisting, can be controlled through changes in the position, orientation and stiffness of the spars. In this paper, finite element models are used to explore the use of rotating spars to vary structural stiffness, thus adjusting the static aeroelastic wing twist and bending shape, and thus altering the lift and drag properties. The effect on the flutter and divergence characteristics is also explored.

International Forum on Aeroelasticity and Structural Dynamics, 2005, München

Conference Paper

englisch

21,0 x 29,7 cm, 12 Seiten

DGLR-Bericht, 2005, 2005-04, International Forum on Aeroelasticity and Structural Dynamics 2005; S.1-12; 2005; Deutsche Gesellschaft für Luft- und Raumfahrt - Lilienthal-Oberth e.V., Bonn

NA

in getr. Zählung;

aeroelasticity, drag reduction, active structures

Bibliothek

2005