面向4D打印双层结构自弯曲的变形激励源布局设计

doi:10.3901/JME.2020.15.072

机械工程学报 ›› 2020, Vol. 56 ›› Issue (15): 72-79.doi: 10.3901/JME.2020.15.072

• 特邀专栏：4D打印技术 • 上一篇下一篇

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面向4D打印双层结构自弯曲的变形激励源布局设计

王闯, 刘振宇, 段桂芳, 谭建荣

浙江大学CAD&CG国家重点实验室杭州 310027

收稿日期:2019-09-26 修回日期:2019-12-11 出版日期:2020-08-05 发布日期:2020-10-19
通讯作者: 段桂芳(通信作者),男,1979年出生,博士,副教授。主要研究方向为数字化设计、机器学习理论及其在智能产品设计中的应用。E-mail:gfduan@zju.edu.cn
作者简介:王闯,男,1994年出生,博士研究生。主要研究方向为智能制造。E-mail:11625063@zju.edu.cn
刘振宇,男,1974年出生,博士,教授,博士研究生导师。主要研究方向为数字化设计、数字样机仿真与虚拟现实。E-mail:liuzy@zju.edu.cn
谭建荣,男,1954年出生,博士,教授,中国工程院院士。主要研究方向为数字化设计、机械设计及理论。E-mail:egi@zju.edu.cn
基金资助:
国家自然科学基金（51475417，51475418，51490663）和浙江省自然科学基金（Y19E050078）资助项目。

Incentive Source Layout Design for Self-bending of 4D Printing Double-layer Structure

WANG Chuang, LIU Zhenyu, DUAN Guifang, TAN Jianrong

State Key Laboratory of CAD&CG, Zhejiang University, Hangzhou 310027

Received:2019-09-26 Revised:2019-12-11 Online:2020-08-05 Published:2020-10-19

摘要/Abstract

摘要： 自弯曲作为4D打印的主要变形形式，近年来受到广大研究者的关注。目前针对4D打印结构自弯曲变形的研究主要以试验为主，即通过大量试验指导4D打印产品设计。针对这一问题，提出了面向4D打印双层结构自弯曲的变形激励源布局设计方法。将简单双层结构作为复杂结构变形的激励源，仅需对激励源进行试验测试，即可通过理论模拟多激励源驱动下的4D打印结构变形结果，实现4D打印结构自弯曲的模拟仿真。同时，通过激励源布局参数反求思路，可以指导4D打印自弯曲结构产品设计，为4D打印结构设计提供了新的思路。最后，通过试验测试验证了该方法的有效性，并发现相较于激励源间距，激励源数量对结构弯曲有更大影响。通过合理设计激励源数量和间距，能够实现对4D打印双层结构自弯曲变形的控制。

关键词: 激励源, 4D打印, 自弯曲, Mindlin板理论

Abstract: Self-bending, as the main form of deformation of 4D printing, has attracted the attention of researchers in recent years. The research on self-bending deformation of 4D printing structure is mainly based on experiments, and the 4D printing product design is guided by a large number of experiments. In order to solve this problem, a layout design method of incentive source for self-bending of 4D printing double-layer structure is proposed. Simple double-layer structure is used as the incentive source of complex structure deformation. The deformation results of 4D printing structure driven by multiple incentive sources can be simulated theoretically and the self-bending simulation of 4D printing structure can be realized only by testing the excitation source. At the same time, the idea of inverse calculation of layout parameters of incentive source are also put forward, which effectively solves the design problem of 4D printing self-bending structure product, and provides a new idea for the design of 4D printing structure. Finally, the effectiveness of the method is verified by experiments. It is found that the number of excitation sources has a greater impact on the bending of the structure than the spacing of excitation sources. The self-bending deformation of 4D printing double-layer structure can be controlled by reasonable design of the number and interval of excitation sources.

Key words: incentive source, 4D printing, self-bending, mindlin theory

中图分类号:

TG122

王闯, 刘振宇, 段桂芳, 谭建荣. 面向4D打印双层结构自弯曲的变形激励源布局设计[J]. 机械工程学报, 2020, 56(15): 72-79.

WANG Chuang, LIU Zhenyu, DUAN Guifang, TAN Jianrong. Incentive Source Layout Design for Self-bending of 4D Printing Double-layer Structure[J]. Journal of Mechanical Engineering, 2020, 56(15): 72-79.

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面向4D打印双层结构自弯曲的变形激励源布局设计

Incentive Source Layout Design for Self-bending of 4D Printing Double-layer Structure

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