In the analysis of origami structures, the deformation of shells usually couples with the rotation of creases, which leads to the difficulty of solving high-order differential equations. In this study, first the deformation of creased shell is solved analytically. Then, an approximation method named virtual crease method (VCM) is employed, where virtual creases are used to approximate the deformation of shells, and then a complex structure can be simplified into rigid shells connected by real and virtual creases. Then, VCM is used to analyze the large deflection of shells as well as the bistable states of origami structures, such as single creased shell and cell of Miura-Ori. Compared with experiment results, the deformed states given by VCM are quite accurate. Therefore, this generalized method may have potential applications in the analysis of origami structures.
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January 2018
Research-Article
Coupling of Creases and Shells
Wei Wang,
Wei Wang
Department of Engineering Mechanics,
Tsinghua University,
Beijing 100084, China
Tsinghua University,
Beijing 100084, China
Search for other works by this author on:
Xinming Qiu
Xinming Qiu
Department of Engineering Mechanics,
Tsinghua University,
Beijing 100084, China
e-mail: qxm@tsinghua.edu.cn
Tsinghua University,
Beijing 100084, China
e-mail: qxm@tsinghua.edu.cn
Search for other works by this author on:
Wei Wang
Department of Engineering Mechanics,
Tsinghua University,
Beijing 100084, China
Tsinghua University,
Beijing 100084, China
Xinming Qiu
Department of Engineering Mechanics,
Tsinghua University,
Beijing 100084, China
e-mail: qxm@tsinghua.edu.cn
Tsinghua University,
Beijing 100084, China
e-mail: qxm@tsinghua.edu.cn
1Corresponding author.
Contributed by the Applied Mechanics Division of ASME for publication in the JOURNAL OF APPLIED MECHANICS. Manuscript received September 27, 2017; final manuscript received November 10, 2017; published online November 28, 2017. Assoc. Editor: Kyung-Suk Kim.
J. Appl. Mech. Jan 2018, 85(1): 011009 (7 pages)
Published Online: November 28, 2017
Article history
Received:
September 27, 2017
Revised:
November 10, 2017
Citation
Wang, W., and Qiu, X. (November 28, 2017). "Coupling of Creases and Shells." ASME. J. Appl. Mech. January 2018; 85(1): 011009. https://doi.org/10.1115/1.4038470
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