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Low-velocity impact response and energy dissipation mechanism of composite multilayer array structures - Experimental and finite element analysis

机译:复合多层阵列结构的低速冲击响应及耗能机理-实验与有限元分析

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摘要

In this contribution, the impact dynamic response and energy dissipation mechanism of composite multilayer array structures are investigated and presented. The composite multilayer array structures in this paper comprise of three layers of composite solid ball elements between four layers of hybrid composite laminates. A fairly extensive experimental investigation are conducted in conjunction with a detailed finite element analysis. The experimental tests are conducted and the finite element analysis is carried out using a commercially available finite element software. The results of maximum contact force, contact duration and corresponding failure modes are presented, compared and discussed in this technical paper. Simulation and test results show that this new structure has good energy absorption efficiency and provides a new way for the design of underwater protective structure.
机译:在此贡献中,研究并提出了复合多层阵列结构的冲击动力响应和能量耗散机理。本文中的复合多层阵列结构在四层混合复合层压板之间包含三层复合实心球元件。结合详细的有限元分析进行了相当广泛的实验研究。进行实验测试,并使用市售的有限元软件进行有限元分析。提出,比较和讨论了最大接触力,接触持续时间和相应失效模式的结果。仿真和测试结果表明,该新结构具有良好的能量吸收效率,为水下防护结构的设计提供了新途径。

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