An introductory guide to literature in aeroelasticity

Abstract

This paper is meant primarily for non-specialist readers who may not be familiar with aeroelasticity. The main objective is to direct the reader to some important texts and papers that have been published in the areas which embrace aeroelasticity, from which the reader may gain sufficient knowledge about the subject. Since aeroelasticity is a large field which requires considerable knowledge in several related areas newcomers can often be daunted by the subject. This is further compounded by the great amount of published material available. This paper will assist the reader to locate key publications and help identify major works which have been useful in studying the subject. A comprehensive list of references is included which will help to identify key subject areas, researchers, research establishments and publications for further study.

Multifidelity metamodel building as a route to aeroelastic optimization of flexible wings

“…3), where the wing spar and EA are placed. The typical section is taken as entirely made of balsa wood of density ¼ 150 kg/m 3 [33] and, due to the small aerofoil camber, its inertial properties can be considered independent of x 1 : its CG is positioned at roughly 40 per cent cord, where, with a strip width b ¼ 30 mm and a rib width w ¼ 3 mm, its total mass m ¼ 2 Â 10 À4 kg and moment of inertia ¼ 10 À7 kg m 2 are placed. The cord ĉ of the aerofoil in the complex plane x À y is defined as the maximum segment inscribable within the aerofoil itself; therefore, the aerofoil shape is rescaled in order to give the desired cord c. As the aerofoil's zero-lift direction is coincident with the horizontal axis of the x À y complex plane, the aerofoil zero-lift angle of attack a 0 is calculated as the angle between the aerofoil cord and the x-axis.…”

“…During the preliminary design of modern aircraft [1], aeroelastic considerations play an important role in the choice of its general configuration (wing/tail/ engine position and typology), aerodynamic surfaces/shapes (actual performance and lift/drag distribution), structural members (topological arrangement and stiffness/mass distribution), and flight control systems [2] (control surfaces and their actuation); especially, when advanced manoeuvring capability is required [3], strong mutual interactions between aerodynamic, elastic, and inertial forces are involved and constitute a fluid-structure interaction multidisciplinary problem [4].…”

Real Time Measurement of Airplane Flutter via Distributed Acoustic Sensing

“…Flutter is a dangerous phenomenon that occurs when an airplane is moving at certain high speeds [1,2]. When flutter occurs, the wings and/or the control surfaces of the aircraft extract energy from the airflow and start vibrating, which can result in the disintegration of those structures.…”

A flight test to demonstrate flutter and evaluate the flutterometer

“…The aeroelastic phenomenon known as flutter has been around since the advent of flight (1) . Indeed, the concepts associated with aeroelasticity are extensively developed and discussed in the literature (2,3) . Instabilities have been derived that extend well beyond the simple bending-torsion flutter into complicated mechanisms involving aeroservoelastic dynamics.…”