Journal
SMART MATERIALS AND STRUCTURES
Volume 23, Issue 9, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0964-1726/23/9/094010
Keywords
origami-inspired systems; energy absorbing; compliant mechanisms
Funding
- National Science Foundation
- Air Force Office of Scientific Research under NSF [1240417]
- Directorate For Engineering
- Emerging Frontiers & Multidisciplinary Activities [1240417] Funding Source: National Science Foundation
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1235365] Funding Source: National Science Foundation
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Elastic absorption of kinetic energy and distribution of impact forces are required in many applications. Recent attention to the potential for using origami in engineering may provide new methods for energy absorption and force distribution. A three-stage strategy is presented for selecting materials for such origami-inspired designs that can deform to achieve a desired motion without yielding, absorb elastic strain energy, and be lightweight or cost effective. Two material indices are derived to meet these requirements based on compliant mechanism theory. Finite element analysis is used to investigate the effects of the material stiffness in the Miura-ori tessellation on its energy absorption and force distribution characteristics compared with a triangular wave corrugation. An example is presented of how the method can be used to select a material for a general energy absorption application of the Miura-ori. Whereas the focus of this study is the Miura-ori tessellation, the methods developed can be applied to other tessellated patterns used in energy absorbing or force distribution applications.
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