Improved aeroelastic tailoring using tow-steered composites

被引：96

作者：

Stodieck, Olivia ^{[1
]}

Cooper, Jonathan E. ^{[1
]}

Weaver, Paul M. ^{[1
]}

Kealy, Paul ^{[2
]}

机构：

[1] Univ Bristol, Dept Aerosp Engn, Bristol BS8 1TR, Avon, England

[2] Airbus Operat UK Ltd, Bristol BS99 7AR, Avon, England

来源：

COMPOSITE STRUCTURES | 2013年 / 106卷

基金：

英国工程与自然科学研究理事会;

关键词：

Variable angle tow plate; Composite wing; Aeroelastic tailoring; Modified strip theory; OPTIMIZATION; DESIGN; PLATES;

D O I：

10.1016/j.compstruct.2013.07.023

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The use of tow-steered composites to tailor the aeroelastic behaviour of composite wings is investigated. A Rayleigh-Ritz type approach is used to model the aeroelastic behaviour of a simple rectangular unswept composite wing combined with modified strip theory aerodynamics. Symmetric lay-ups have been considered where the outer fibres are allowed to vary in orientation along the wing span, and the effects on free vibration, flexural axis, flutter and divergence speeds, and gust loads are examined. It was found that it is possible to influence the aeroelastic behaviour in both a beneficial and detrimental manner using tow steering. By increasing the design space, tow-steered laminates allow improved designs compared to traditional unidirectional composite laminates. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：703 / 715

页数：13

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