Abstract
In this research, in-plane impact behaviors of the honeycomb structures randomly filled into some cells with stiff inclusions were analyzed by finite element (FE) analysis. Effect of random arrangement of inclusions on deformation processes and in-plane impact behavior of honeycomb structure was considered. During deformation processes of the models, growth of shear bands were disturbed by inclusions and cell region surrounded by inclusions did not deformed. Average stress increased and densification strain decreased with increasing fraction of inclusions. The honeycomb with 50% cells filled by the inclusions could not be deformed. Some models below 25% fraction of inclusions had higher absorbed energy than that of model with no inclusion and the others show lower ones.
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