简支边界条件下超椭圆蜂窝夹芯板的自由振动

发布时间：2018-01-09 02:12

  本文关键词：简支边界条件下超椭圆蜂窝夹芯板的自由振动　出处：《复合材料学报》2017年08期 　论文类型：期刊论文

  更多相关文章： 自由振动 超椭圆蜂窝夹芯板 Reddy三阶剪切板理论 里兹法

【摘要】：基于Reddy三阶剪切板理论,将铝基蜂窝芯层等效为一正交异性层,等效弹性参数由修正后的Gibson公式得出,对简支边界条件下超椭圆蜂窝夹芯板弯曲振动的固有频率进行了理论推导,应用具体算例与实验值和有限元计算结果进行了验证,结果表明本文方法具有较高的计算精度。研究了板宽、板厚和芯层胞元结构参数对简支边界条件下超椭圆蜂窝夹芯板固有频率的影响,并绘出相应的曲线图,该曲线图对超椭圆蜂窝夹芯板的工程应用具有指导意义。
[Abstract]:Based on Reddy's third-order shear plate theory, the aluminum honeycomb core layer is equivalent to an orthotropic layer, and the equivalent elastic parameters are derived from the modified Gibson formula. The natural frequencies of bending vibration of hyperelliptic honeycomb sandwich panels under simply supported boundary conditions are derived theoretically, and the experimental results and finite element results are verified by an example. The results show that the proposed method has high accuracy. The effects of plate width, plate thickness and core layer cell structure parameters on the natural frequencies of hyperelliptic honeycomb sandwich panels under simply supported boundary conditions are studied, and the corresponding curves are drawn. The curves are of guiding significance for the engineering application of hyperelliptic honeycomb sandwich panels.
【作者单位】： 中国矿业大学深部岩土力学与地下工程国家重点实验室;中国矿业大学力学与建筑工程学院;
【基金】：教育部博士点基金(20120095110013)
【分类号】：TB33
【正文快照】： 网络出版地址:www.cnki.net/kcms/detail/11.1801.TB.20161130.1510.002.html引用格式:邸馗,茅献彪.简支边界条件下超椭圆蜂窝夹芯板的自由振动[J].复合材料学报,2017,34(8):1817-1824.DI Kui,MAO Xianbiao.Free vibration analysis of simply supported super elliptical hon，

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