首页> 中文期刊> 《材料工程》 >铝蜂窝胞元结构参数对其宏观等效表征性能的影响

铝蜂窝胞元结构参数对其宏观等效表征性能的影响

         

摘要

The micromechanical model for predicting the equivalent macroscopic characteristic parameters of aluminum honeycomb core is established based on homogenization theory combined with finite element method. The effects of the aluminum honeycomb cell structural parameters on its macroscopic equivalent characteristic properties are investigated. And by using MATLAB software, the equivalent elastic parameters of irregular orthotropic hexagonal aluminum honeycomb cores with various high-to-length ratio, thickness-to-length ratio and cell wall angle are calculated. The effects of cell structural parameters on its macroscopic equivalent mechanical properties are obtained. The results have guiding signification for the structure design of aluminum honeycomb core and its engineering application in wind turbine blades.%将均匀化理论与有限元方法相结合,建立了预测铝蜂窝宏观等效特征参数的细观力学模型,研究铝蜂窝胞元结构参数对其宏观等效表征性能的影响,并采用MATLAB语言编程,计算了不同高长比、不同厚长比及不同胞璧夹角的不规则正交各向异性蜂窝铝芯的等效弹性参数,得到了胞元结构参数对铝蜂窝宏观力学性能的影响规律,所得结果对蜂窝铝芯的结构设计及其在风力机叶片的工程应用中具有一定的指导意义.

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