Abstract

The experimental investigation of deformation behavior of chiral structures with honeycomb core was carried out in the cases of static and dynamic loading in this study. According to these results the numerical models were validated and the numerical modeling by finite element method of sandwich structures behavior under impact loading was performed. The influence of geometrical parameters on the dynamical behavior of sandwich structure was evaluated and the dependences of them upon dynamical properties of layered structure were carried out. In this study, the behavior under impact loading of the sandwich composite made from chiral honeycomb core that can be used for safety important structures was investigated and the layered structure dynamical properties associated with energy absorption and impact loading suppression. Obtained impact energy absorption and impact loading suppression dependences of various structure geometric parameters allow the assessment and the prediction of sandwich structures safety important parameters under impact loading and the ensuring the efficient material expenditures.

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