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Nonlinear waves in flexible mechanical metamaterials
Bolei Deng, Jordan R. Raney, Katia Bertoldi +1
Flexible mechanical metamaterials are compliant structures engineered to achieve unique properties via the large deformation of their components. While their static character has b…
Nonlinear waves at the free surface of flexible mechanical metamaterials
Bolei Deng, Hang Shu, Jian Li +4
In this letter we investigate the propagation of nonlinear pulses along the free surface of flexible metamaterials based on the rotating squares mechanism. While these metamaterial…
Ultralight and ultra-stiff nano-cardboard panels: mechanical analysis, characterization, and design principles
Jong-hyoung Kim, Lishuai Jin, Benjamin C. Schafer +4
We introduce a class of ultra-light and ultra-stiff sandwich panels designed for use in photophoretic levitation applications and investigate their mechanical behavior using both c…
Programming nonreciprocity and reversibility in multistable mechanical metamaterials
Gabriele Librandi, Eleonora Tubaldi, Katia Bertoldi
Nonreciprocity can be passively achieved by harnessing material nonlinearities. In particular, networks of nonlinear bistable elements with asymmetric energy landscapes have recent…