Corrigendum to <A Reinvestigation of a Spring-mass Model for Metamaterial Bandgap Prediction> [International Journal of Mechanical Sciences 221 (2022) /107219] (International Journal of Mechanical Sciences (2022) 221, (S0020740322001424), (10.1016/j.ijmecsci.2022.107219))

The authors regret that there are unintentionally typos in Eqs. (18) & (19) of the article even though they do not influence the results, discussion and conclusions. The authors would like to rectify the following Equations as: [Formula presented] [Formula presented] The authors would like to confirm that the derivations and the expressions of the spring-mass model have been analytically proposed in the previous study [1]. The typos of the expression in the current study would not exert an influence on the findings, which were obtained based on the correct formulae. The authors would like to apologise for any inconvenience caused.