@inProceedings{
 title = {Multi-stability and variable stiffness of cellular solids designed based on origami patterns},
 type = {inProceedings},
 year = {2017},
 identifiers = {[object Object]},
 pages = {1016426},
 websites = {https://goo.gl/KDeVjM},
 month = {4},
 publisher = {International Society for Optics and Photonics},
 day = {11},
 editors = {[object Object]},
 id = {86ec4541-6574-32f4-a3ac-0b2a50066e6b},
 created = {2017-09-14T20:01:14.270Z},
 accessed = {2017-06-27},
 file_attached = {true},
 profile_id = {b5f8f599-d388-33f5-b35f-d42e32fe63c4},
 last_modified = {2019-04-10T19:01:35.400Z},
 tags = {#MultiStability,#Origami,@Mechanics},
 read = {true},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 citation_key = {Sengupta2017},
 private_publication = {false},
 abstract = {The application of origami-inspired designs to engineered structures and materials has been a subject of much research efforts. These structures and materials, whose mechanical properties are directly related to the geometry of folding, are capable of achieving a host of unique adaptive functions. In this study, we investigate a three-dimensional multistability and variable stiffness function of a cellular solid based on the Miura-Ori folding pattern. The unit cell of such a solid, consisting of two stacked Miura-Ori sheets, can be elastically bistable due to the nonlinear relationship between rigid-folding deformation and crease material bending. Such a bistability possesses an unorthodox property: the critical, unstable configuration lies on the same side of two stable ones, so that two different force-deformation curves co-exist within the same range of deformation. By exploiting such unique stability properties, we can achieve a programmable stiffness change between the two elastically stable states, and the stiffness differences can be prescribed by tailoring the crease patterns of the cell. This paper presents a comprehensive parametric study revealing the correlations between such variable stiffness and various design parameters. The unique properties stemming from the bistability and design of such a unit cell can be advanced further by assembling them into a solid which can be capable of shape morphing and programmable mechanical properties},
 bibtype = {inProceedings},
 author = {Sengupta, S and Li, S},
 booktitle = {SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring}
}

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