Time domain aeroelastic analysis of wing structures by means of an alternative aeroelastic beam approach

Abstract. In this work an alternative beam finite element for rapid time-domain flutter analysis of wings equipped with trailing edge control surfaces, generally distributed along the span, is presented. The aeroelastic proposed based on Euler-Bernoulli theory, De St. Venant torsion theory and two-dimensional unsteady aerodynamics. developed model attractive preliminary aero-servo-elastic analyses suppression systems design purposes; moreover, matrices obtained could be easily included in existing optimization codes that already use modelling lifting structures to carry out tailoring studies.