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Author:

Xu, Zheng (Xu, Zheng.) | Fan, Zhichao (Fan, Zhichao.) | Pang, Wenbo (Pang, Wenbo.) | Zi, Yanyang (Zi, Yanyang.) | Zhang, Yihui (Zhang, Yihui.)

Indexed by:

EI SCIE Scopus Engineering Village

Abstract:

Complex three-dimensional (3D) mesostructures in advanced functional materials are attracting increasing interest, due to their widespread applications. Mechanically-guided 3D assembly through compressive buckling provides deterministic routes to a rich diversity of 3D mesostructures and microelectronic devices, with feature sizes ranging from sub-microscale to millimeter-scale. Existing studies established inverse design methods that map the target 3D geometry onto an unknown 2D precursor, but mainly focusing on filamentary ribbon-type geometries. Although strategies relying on spatial thickness variation of 2D precursors have been reported to achieve inverse design of 3D surfaces, this could lead to a lack of compatibility with well-developed planar fabrication technologies. In the framework of buckling-guided 3D assembly, this paper presents a computational method based on topology optimization to solve the inverse design problem of 3D surfaces from 2D precursors with uniform thickness distributions. Specifically, curvy ribbon components were exploited to discretize nondevelopable target surfaces, and then optimized to ensure that the assembled 3D surface has the best match with the target geometry. Combined computational and experimental studies over a dozen of elaborate examples, encompassing both the caged and even general target surfaces, demonstrate the effectiveness and applicability of the proposed method. © 2021 Elsevier Ltd

Keyword:

Buckling Design Functional materials Geometry Inverse problems Microelectronics Topology

Author Community:

  • [ 1 ] [Xu, Zheng]State Key Laboratory for Manufacturing and Systems Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 2 ] [Xu, Zheng]AML, Department of Engineering Mechanics, Tsinghua University, Beijing; 100084, China
  • [ 3 ] [Fan, Zhichao]State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha, Hunan; 410082, China
  • [ 4 ] [Fan, Zhichao]College of Mechanical and Vehicle Engineering, Hunan University, Changsha, Hunan; 410082, China
  • [ 5 ] [Pang, Wenbo]AML, Department of Engineering Mechanics, Tsinghua University, Beijing; 100084, China
  • [ 6 ] [Pang, Wenbo]Center for Flexible Electronics Technology, Tsinghua University, Beijing; 100084, China
  • [ 7 ] [Zi, Yanyang]State Key Laboratory for Manufacturing and Systems Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 8 ] [Zhang, Yihui]AML, Department of Engineering Mechanics, Tsinghua University, Beijing; 100084, China
  • [ 9 ] [Zhang, Yihui]Center for Flexible Electronics Technology, Tsinghua University, Beijing; 100084, China

Reprint Author's Address:

  • Y. Zi;;State Key Laboratory for Manufacturing and Systems Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China;;email: ziyy@mail.xjtu.edu.cn;;Y. Zhang;;AML, Department of Engineering Mechanics, Tsinghua University, Beijing, 100084, China;;email: yihuizhang@tsinghua.edu.cn;;

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Source :

Extreme Mechanics Letters

Year: 2021

Volume: 51

4 . 5 6 7

JCR@2020

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 14

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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