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.

引用

页数：11

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