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Mechanisms of energy absorption during high rate loading of cellular lattice structures

机译：细胞晶格结构高速率载荷期间的能量吸收机制

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A series of experiments at high strain rates have been conducted to study the deformation of lattice structures formed by additive manufacture. Gas gun plate impact experiments have been used to produce the desired conditions, and the transmitted wave profile analysed for information on the lattice compression and deformation. Additional pre- and post-experiment imagery of the lattice has also been gathered. These experiments have been supported by a series of calculations to offer comparisons to experimental data and to assist in the design and optimisation of new structures. Of particular interest are the variations seen at high (106) strain rates, where severe hydrodynamic flow appears to become significant. This may have implications for the design of open cell structures which are expected to experience high rate conditions.
机译：已经进行了高应变率的一系列实验，以研究通过添加剂制造形成的晶格结构的变形。 用于产生所需条件的气体枪支冲击实验，以及用于有关晶格压缩和变形的信息分析的透射波形谱。 还收集了格子的其他预先和实验后图像。 这些实验得到了一系列计算，以提供对实验数据的比较，并协助设计和优化新结构。 特别令人兴趣的是高（106）株的变化，其中严重的流体动力流动似乎变得显着。 这可能对设计高速率条件的开放单元结构的设计具有影响。

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