Curvilinear fiber optimization tools for aeroelastic design of composite wings

被引：61

作者：

Haddadpour, H. ^{[1
]}

Zamani, Z. ^{[2
]}

机构：

[1] Sharif Univ Technol, Dept Aerosp Engn, Tehran, Iran

[2] Sharif Univ Technol, Dept Mech Engn, Tehran, Iran

来源：

JOURNAL OF FLUIDS AND STRUCTURES | 2012年 / 33卷

关键词：

Thin walled composite beams; Curvilinear fiber; Aeroelastic instability speed; Variable-stiffness; INCOMPRESSIBLE-FLOW; INSTABILITY; PANELS; BEAMS;

D O I：

10.1016/j.jfluidstructs.2012.05.008

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The aeroelastic design of composite wings modeled as thin-walled beams is investigated through the use of curvilinear fiber. The structural model considers non-classical effects such as transverse shear, warping restraint, rotary inertia, nonuniform torsional model and also aerodynamic loads based on Wagner's function. In this paper, a linear spanwise variation of the fiber orientation resulting in a variable-stiffness structure is used to optimize the wing for maximum aeroelastic instability speed purpose, while manufacturing constraints are incorporated. Numerical results indicate improvements of aeroelastic stability of variable-stiffness wings over conventional, constant-stiffness ones. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：180 / 190

页数：11

共 26 条

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