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Study on low-velocity impact of embedded and co-cured composite damping panels with numerical simulation method

机译：嵌入式与共固化复合阻尼板低速冲击的数值模拟研究

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摘要

According to the designable mechanical characteristics of composite material, the embedded and co-cured composite damping structure (ECCDS) consisting of fiber reinforced resin layers and one (or more) damping layer(s) embedded into composite material component is manufactured. The finite element model and experiment model of ECCDS are established and low velocity impact performances of the composite damping panels are simulated and tested by using the explicit dynamic analysis software LS-DYNA and the Drop-weight Impact equipment, respectively. The structural behaviors under impact of the damping panels are compared with those of the composite panels without the damping layer. The results of numerical simulation and experiment are in good agreement with each other, which demonstrates that the finite element model and simulation method using present study are valid. Finally the impact properties versus the different geometrical parameters of damping layers are investigated also. The simulation model and method can provide an important foundation for the theoretical predict of impact characteristics of ECCDS.
机译：根据复合材料的可设计机械特性，制造了由纤维增强树脂层和嵌入复合材料组件中的一个（或多个）阻尼层组成的嵌入式共固化复合阻尼结构（ECCDS）。建立了ECCDS的有限元模型和实验模型，分别使用显式动力分析软件LS-DYNA和落锤冲击装置对复合阻尼板的低速冲击性能进行了仿真和测试。将减震板冲击下的结构性能与不带减震层的复合板进行比较。数值模拟与实验结果吻合良好，表明本文研究的有限元模型和模拟方法是有效的。最后，还研究了阻尼层的冲击特性与不同几何参数之间的关系。仿真模型和方法可为ECCDS冲击特性的理论预测提供重要的基础。

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  • 来源
    《Composite Structures》 |2014年第1期|1-10|共10页
  • 作者

    Sen Liang; Keyao Liang; Lei Luo; Qian Zhang; Changsong Wang;

  • 作者单位

    School of Mechanical Engineering, Qingdao Technological University, Shandong Province 266033, PR China;

    School of Mathematics, Shandong University, Jinan City, Shandong Province 250100, PR China;

    School of Mechanical Engineering, Qingdao Technological University, Shandong Province 266033, PR China;

    School of Mechanical Engineering, Qingdao Technological University, Shandong Province 266033, PR China;

    School of Mechanical Engineering, Qingdao Technological University, Shandong Province 266033, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Impact performance; Embedded and co-cured composite; damping structure; Finite element analysis; Numerical simulation;

    机译：冲击性能;嵌入式和共固化复合材料;阻尼结构;有限元分析;数值模拟;

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