基于等效理论的蜂窝夹层板强度等效分析
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北京宇航系统工程研究所

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V414. 6

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Equivalent Strength Analysis of Honeycomb Sandwich PlateBased on Equivalent Theory
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    摘要:

    通过采用三明治夹芯板等效方法计算,得到了等效物理参数,建立了三明治夹芯蜂窝板的有限元
    模型,完成了蜂窝夹层板模型的静力分析和随机振动分析,并对试验样机进行了静力与随机振动分析和试验验
    证。结果表明:基于三明治夹芯板等效理论建立的有限元模型能够准确反映蜂窝夹层板的静强度特性和结构
    动特性,静力应变值结果误差小于4%,振动固有频率结果误差小于5%,偏差较小,表明所建模型合理、准确。

    Abstract:

    In this paper an equivalent method based on sandwich plate theory is deduced and the equivalent pa鄄
    rameters of the honeycomb plate are obtained. With these equivalent parameters, the honeycomb plate FEM simula鄄
    tion model is established and honeycomb sandwich plate static analysis and random vibration analysis are completed.
    Then static and random vibration tests were made. The results indicated that the honeycomb sandwich plate theory
    based model can accurately reflect the honeycomb sandwich plate static strength characteristics and structural dynamic
    characteristics. Static strain value and the error is less than 4%, the natural vibration frequency and the error is less
    than 5%, which shows good agreement with tests results and the effectiveness of the model.

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引用本文

季宝锋.基于等效理论的蜂窝夹层板强度等效分析[J].宇航材料工艺,2015,45(2).

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  • 在线发布日期: 2016-11-28
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