A functionally layered honeycomb model is proposed to control the dynamic energy absorption offered by uniform honeycombs. The in-plane dynamic responses are controlled by the variation of the cell radius. The numerical results show that through the proper choice of the gradient coefficient, the initial force peak can be reduced significantly, and the energy absorption can be controlled. Moreover, the values for the transmitted stresses into the protected structures can be greatly reduced. These findings can provide valuable suggestions in the multi-objective optimal design of honeycombs.%提出了一种分层递变梯度蜂窝材料模型,以期控制蜂窝材料的能量动态吸收性能.此模型通过改变胞元的半径来改变蜂窝材料的面内特征参数,以实现蜂窝材料面内动力响应特性的多目标优化设计.计算结果表明,此模型可以在减小初始峰值应力水平的前提下,同时实现材料能量吸收过程的控制,并可以有效控制进入被保护结构的应力水平.此模型可为蜂窝材料冲击动力学性能的多目标优化设计提供理论指导和设计思路.
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