Because of its remarkable dispersion properties, wave propagation in periodical elastic
metamaterials and metastructures has attracted serious attention. Metastable metastructure,
whose mechanical properties can be tuned by internal reconfiguring and metastable states
switching, could be a promising candidate to achieve tunable band structures. However, in
previous studies, only linear dispersion analyses of multistable/metastable structure were
performed, and the effect of damping was not considered. In this research, dispersion …