Effects of geometric and material nonlinearities on tunable band gaps and low-frequency directionality of phononic crystals

By Pai Wang, Jongmin Shim, Katia Bertoldi. 2013

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Mechanical metamaterials associated with stiffness, rigidity and compressibility: a brief review (2017, background): “This therefore allows us to achieve a snap through [52,230] of stress, similar to the switching behaviour in chiral and phononic properties [18], as the strain e increased during compression (Fig.”
On the mechanical modeling of the extreme softening/stiffening response of axially loaded tensegrity prisms (2014, background): “Particularly interesting is the use of geometrical nonlinearities for the in situ tuning of phononic crystals (Bertoldi and Boyce, 2008; Wang et al., 2013); pattern transformation by elastic instability (Lee et al.”