Flexible joints for a grid-based multi-stable composite morphing skin

被引：4
|
作者：
Algmuni, A. [1 ]
Xi, F. [1 ]
Alighanbari, H. [1 ]
机构：
[1] Ryerson Univ, Dept Aerosp Engn, 350 Victoria St, Toronto, ON M5B 2K3, Canada
来源：
COMPOSITE STRUCTURES | 2021年 / 259卷
关键词：
Multi-patch composite laminate; Multi-stable panels; Connection of bi-stable patches; Finite element analysis; ROOM-TEMPERATURE SHAPES; CURED SHAPE; THIN; PLATES;
D O I：
10.1016/j.compstruct.2020.113512
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A new method for the development of a grid-based multi-stable composite morphing skin is presented. The proposed method is to join a number of bi-stable composite patches in a grid by attaching flexible strips in between as joints. The purpose is to improve stable configurations and reduce marginal stable (meta-stable) configurations. The behaviour of this morphing skin is studied using a finite element analysis method and validated experimentally. The results show a good agreement between the modeling and the experiment. Each test case exhibits a high number of distinct stable configurations. For a 2 x 2 grid, all 16 stable configurations are obtained, which shows the effectiveness of this new method. These stable configurations present more flexible shapes applicable to practical morphing skin applications.
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收藏
页数：11
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