title: Multistable Architected Materials for Trapping Elastic Strain Energy.
abstract: 3D printing and numerical analysis are combined to design a new class of architected materials that contain bistable beam elements and exhibit controlled trapping of elastic energy. The proposed energy-absorbing structures are reusable. Moreover, the mechanism of energy absorption stems solely from the structural geometry of the printed beam elements, and is therefore both material- and loading-rate independent.
authors.affiliation: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
authors.forename: Sicong
authors.initials: S
authors.lastname: Shan
authors.affiliation: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.|Department of Mechanical Engineering and Hopkins Extreme Materials Institute, Johns Hopkins University, Baltimore, MD, 21218, USA.
authors.forename: Sung H
authors.initials: SH
authors.lastname: Kang
authors.affiliation: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.|Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA, 02138, USA.
authors.forename: Jordan R
authors.initials: JR
authors.lastname: Raney
authors.affiliation: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
authors.forename: Pai
authors.initials: P
authors.lastname: Wang
authors.affiliation: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
authors.forename: Lichen
authors.initials: L
authors.lastname: Fang
authors.affiliation: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
authors.forename: Francisco
authors.initials: F
authors.lastname: Candido
authors.affiliation: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.|Department of Mechanical Engineering and Hopkins Extreme Materials Institute, Johns Hopkins University, Baltimore, MD, 21218, USA.
authors.forename: Jennifer A
authors.initials: JA
authors.lastname: Lewis
authors.affiliation: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.|Kavli Institute for Bionano Science and Technology, Harvard University, Cambridge, MA, 02138, USA.
authors.forename: Katia
authors.initials: K
authors.lastname: Bertoldi
keywords: 3D printing; architected materials; energy trapping; multistability; reversibility