Volume 26, Issue 1 (7-2007)                   2007, 26(1): 197-207 | Back to browse issues page

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R. Ghasemi Asl, and B. Ghadiri. Determination of Dynamic Instability Speed of an Unsweep Wing in Subsonic Flow Including Compressibility Effects. Journal of Advanced Materials in Engineering (Esteghlal) 2007; 26 (1) :197-207
URL: http://jame.iut.ac.ir/article-1-415-en.html
Determination of Dynamic Instability Speed of an Unsweep Wing in Subsonic Flow Including Compressibility Effects
R. Ghasemi Asl * , And B. Ghadiri
Abstract:   (6216 Views)
In this paper, the equation of motion of an elastic 2 DoF wing model has been derived using Lagrange's method. The aerodynamic loads on the wing were calculated via the Strip-Theory and the effect of compressibility was included. Wing deflections due to bending and twist motions were determined using the Assume-Mode method. The aeroelastic equations were solved numerically using the V-g method. The results obtained for different types of wings were in good agreement with experimental data.
Keywords: Dynamic instability of wing, Flutter, Aeroelasticity, Assumed Mode, V-g method
Full-Text [PDF 416 kb]   (1241 Downloads)    
Type of Study: Research | Subject: General
Received: 2014/10/25 | Published: 2007/07/15
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