1999•Journal of the Korean Society for Aeronautical & Space SciencesRequires access

Aeroelastic Analysis of W-shaped Wing in Subsonic Flow

Kyo-Nam Koo

Abstract

A new plane form of wing, W-shaped wing is proposed to enhance aeroelastic stability of swept-forward wing. The W-shaped wing has two sweep angles so that inboard wing is swept back and outboard wing swept forward. Aeroelastic analysis utilizes the finite element method and the doublet point method which are suitable for arbitrary wing. Sweep angle of the inboard wing is changed in this analysis while the outboard wing is fixed to being swept-forward. The results show that the aeroelastic stability can be enhanced drastically by adjusting the sweep angle of inboard wing.

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Key concepts: Wing, Swept wing, Aeroelasticity, Wing configuration, Angle of attack, Wing twist, Delta wing, Structural engineering