Development of an Aeroelastic Formulation for Deformable Airfoils Using Orthogonal Polynomials

Su, Weihua

doi:10.2514/1.j055665

Cited by 4 publications

(3 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Su [138] developed an aeroelastic formulation to analyze aeroelastic behavior of arbitrary camber deforming flexible airfoils. Orthogonal Legendre polynomials, with traditional rigid body pitching and plunging motions, were used to describe the camberwise bending deformations of flexible airfoils.…”

Section: Aeroelastic Stabilitymentioning

confidence: 99%

“…Most of the studies belong to aeroelastic stability theme with a very limited number under aeroelastic control. For both themes, the majority of studies are numerical analysis using FE software for structural modeling with beam [136,138,139] and plate models [125,154] being the most popular. The DLM [126-129, 132, 140, 141, 155, 157] and panel method (2D and 3D) [130, 134-136, 139, 143-145, 147, 149, 150, 153-156], VLM [152,159,160], nonlinear lifting line theory [124], CFD [119] and thin airfoil theory [161] were used for aerodynamic modeling.…”

Section: Observationsmentioning

confidence: 99%

“…The number of aeroelastic studies on 3D morphing wings exceeds those that focused on 2D morphing airfoils. Most of the work on 2D morphing airfoils is associated with camber morphing such as the work done by Su [138], Murua et al [142], and Bilgen et al [144,145]. The choice between 2D airfoils or 3D wings depends mainly on the degree of freedom and the morphing concept used.…”

Section: D Airfoils 3d Wings or Full Aircraft?mentioning

confidence: 99%

See 2 more Smart Citations

Recent developments in the aeroelasticity of morphing aircraft

Ajaj

Parancheerivilakkathil

Amoozgar

et al. 2021

Progress in Aerospace Sciences

View full text Add to dashboard Cite

Section: Aeroelastic Stabilitymentioning

confidence: 99%

Section: Observationsmentioning

confidence: 99%

Section: D Airfoils 3d Wings or Full Aircraft?mentioning

confidence: 99%

See 1 more Smart Citation

Recent developments in the aeroelasticity of morphing aircraft

Ajaj

Parancheerivilakkathil

Amoozgar

et al. 2021

Progress in Aerospace Sciences

View full text Add to dashboard Cite

Aeroelastic analysis of membrane airfoils and flexible-chord airfoils with trailing-edge flaps

Hussein

2023

Acta Mech

View full text Add to dashboard Cite

This paper studies the static and dynamic aeroelastic characteristics of membrane airfoils and flexible-chord airfoils (deformable airfoils) with the emphasis on the effects of a trailing-edge (TE) flap which is a novel topic. Two modeling approaches are presented; the first method is the Rayleigh–Ritz method, and the second method is the finite element method which is an efficient method to study the TE flap effects. The two models are presented in the Laplace domain which enables the transient response analysis. The models adopt the potential flow aerodynamics based on the Prandtl–Glauert thin-airfoil theory and the Theodorsen’s unsteady theory. The airfoils are assumed to have small deformations, so linear structural models are used. The effect of the airfoils’ flexibilities on the static aeroelastic characteristics and the dynamic responses due to step and harmonic TE flap inputs is presented through a parametric study.

show abstract