文章详细信息 关键词： 层合板;;冲击损伤;;单元失效;;数值模拟 [gap=1273]Keywords: laminated composite;impact damage;element failure technique;numerical simulation
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Nowadays the composite is used on aircraft structures more and more with high strength and low density, but the impact damage needs special attention.
由于复合材料层压板比强度和比模量高等优点，在现代航空航天结构上得到广泛应用，其冲击损伤问题一直受到工程界的重视。
参考来源 - 复合材料层合板准静态压痕损伤实验研究与数值分析Proceed form the damage mechanics, the damage propagation of SMC-R50 short-fiber reinforced composite with impact damage was analyzed, and the equation of fatigue damage rate was derived. The fatigue damage propagation of composite was tested through experiment.
从损伤力学出发，对SMC─R50短纤维复合材料冲击损伤后疲劳损伤的发展进行了分析，给出了疲劳损伤速率方程，并通过实验对损伤发展进行了测量。
参考来源 - 短纤维复合材料冲击后疲劳损伤及寿命预报The limestone sample impact-damaged experiments and press test were made by one-stage light-gas gun. The rule of press wave transmit in rocks in the impact process were studied.
本文利用一级轻气炮对圆柱形石灰石试件进行了冲击损伤试验和压力测试，研究了冲击作用下岩石中压力波的传播规律。
参考来源 - 岩石冲击损伤特性的试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
冲击损伤严重影响了蜂窝夹芯板的抗拉能力。
Impact damage affected tensile ability of honeycomb core sandwich panels seriously.
由于气体具有可压缩性，设备较少有冲击损伤问题。
Because gas is compressible, Equipment is less subject to shock damage.
论述了基于冲击威胁概念的复合材料结构冲击损伤容限可靠性分析方法。
An impact damage tolerance reliability analysis method was discussed for composite structures by introducing an impact threat concept.
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