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Nonlinear Topological Mechanics in Elliptically Geared Isostatic Metamaterials
Fangyuan Ma, Zheng Tang, Xiaotian Shi +5
Despite the extensive studies of topological systems, the experimental characterizations of strongly nonlinear topological phases have been lagging. To address this shortcoming, we…
Direct measurement of superdiffusive and subdiffusive energy transport in disordered granular chains
Eunho Kim, Alejandro J. Martínez, Sean E. Phenisee +3
The study of energy transport properties in heterogeneous materials has attracted scientific interest for more than a century, and it continues to offer fundamental and rich questi…
Shock and Rarefaction Waves in Generalized Hertzian Contact Models
Hiromi Yasuda, Christopher Chong, Jinkyu Yang +1
In the present work motivated by generalized forms of the Hertzian dynamics associated with granular crystals, we consider the possibility of such models to give rise to both shock…
Formation of rarefaction waves in origami-based metamaterials
Hiromi Yasuda, Christopher Chong, Efstathios G. Charalampidis +2
We investigate the nonlinear wave dynamics of origami-based metamaterials composed of Tachi-Miura polyhedron (TMP) unit cells. These cells exhibit strain softening behavior under c…
Wave propagation in single column woodpile phononic crystals: Formation of tunable band gaps
Eunho Kim, Jinkyu Yang
We study the formation of frequency band gaps in single column woodpile phononic crystals composed of orthogonally stacked slender cylinders. We focus on investigating the effect o…
Mesoscopic approach to granular crystal dynamics
Marcial Gonzalez, Jinkyu Yang, Chiara Daraio +1
We present a mesoscopic approach to granular crystal dynamics, which comprises a three-dimensional finite-element model and a one-dimensional regularized contact model. The approac…