A multi-stable lattice structure and its snap-through behavior among multiple states

被引：75
作者：
Dai, Fuhong [1 ]
Li, Hao [1 ]
Du, Shanyi [1 ]
机构：
[1] Harbin Inst Technol, Ctr Composite Mat & Struct, Harbin 150001, Peoples R China
来源：
COMPOSITE STRUCTURES | 2013年 / 97卷
基金：
中国国家自然科学基金;
关键词：
Multi-stable; Lattice structure; Snap through; Bistable laminates; Critical load; CURED SHAPE; THIN; COMPOSITES; DESIGN; PLATES;
D O I：
10.1016/j.compstruct.2012.10.016
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This paper develops a multi-stable lattice structure consisting of tri-stable lattice cell which is made by bistable laminates. The multi-stable lattice structure with N tri-stable lattice cells, which can exhibit 2(N) stable states, is successfully designed and fabricated. The critical loads snapping lattice structure are investigated by the experimental and finite element techniques. The method to simulate the behaviors of contact and constraint between the neighboring bistable laminates are presented. The snap through process of multi-stable lattice structures among multiple states are numerically simulated and experimentally validated. The multiple stabilities highlight the potential to achieve a smooth shape variation in the large area multi-stable structures. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：56 / 63
页数：8
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