Gradient design and fabrication methodology for interleaved self-locking kirigami panels

IF 3 3区 计算机科学 Q2 COMPUTER SCIENCE, SOFTWARE ENGINEERING
Hao Qiu , Yixiong Feng , Yicong Gao , Zhaoxi Hong , Jianrong Tan
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引用次数: 0

Abstract

Sandwich panels with excellent mechanical properties are widely used in the aerospace, architecture, and automobile industries. Kirigami-inspired structural designs are receiving increasing attention owing to the shape-induced functions and novel properties imparted by their folds and cuts. In this study, novel graded self-locking kirigami panels based on a tucked-interleaved pattern are developed and analyzed under quasi-static loading. The proposed tucked-interleaved pattern can be assembled to form freely supported self-locking polyhedral structures. The self-locking property is ensured by the interleaved flaps, which create in-plane compression to hold the structure in place. In particular, we analyze the effects of geometric variations in kirigami panels fabricated using a CO2 laser machining system. The experimental data under quasi-static compression and simulation results both indicate that the proposed kirigami panels have outstanding load-to-weight ratios on the order of 105. It appears that the introduction of a graded design can generate graded stiffness as well as superior specific energy absorption with an appropriate introduction of geometric gradients. These results show that the proposed kirigami panels combining self-locking and programmable non-uniform stiffness have great potential for non-uniform engineering applications.

交错自锁基利米板的梯度设计和制造方法
夹芯板具有优良的机械性能,广泛应用于航空航天、建筑、汽车等行业。基里伽米风格的结构设计越来越受到人们的关注,因为它们的褶皱和切割赋予了形状诱导的功能和新颖的特性。本文研究了一种基于叠交图案的梯度自锁基里伽米板,并对其在准静态载荷下的性能进行了分析。所提出的折叠交织图案可以组装成自由支撑的自锁多面体结构。交错的襟翼确保了自锁特性,从而产生平面内压缩以保持结构到位。特别地,我们分析了几何变化对采用CO2激光加工系统制作的基里米板的影响。准静态压缩下的实验数据和仿真结果均表明,所提出的基里伽米板具有良好的重荷比,其重荷比约为105。看来,引入梯度设计可以产生梯度刚度以及优越的比能吸收与适当引入几何梯度。这些结果表明,结合自锁和可编程非均匀刚度的基里伽米板在非均匀工程应用中具有很大的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Computer-Aided Design
Computer-Aided Design 工程技术-计算机:软件工程
CiteScore
5.50
自引率
4.70%
发文量
117
审稿时长
4.2 months
期刊介绍: Computer-Aided Design is a leading international journal that provides academia and industry with key papers on research and developments in the application of computers to design. Computer-Aided Design invites papers reporting new research, as well as novel or particularly significant applications, within a wide range of topics, spanning all stages of design process from concept creation to manufacture and beyond.
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