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本文基于“zig - zag”模型,推导了复合材料夹层板屈曲分析有限元列式,该模型和列式考虑了面板和心体的横向剪切变形,因而可用来分析复合材料夹层厚板。文中将基于本模型的有限元分析结果与其他文献结果进行了比较,并讨论了单向受压、双向受压和受压剪共同作用时复合材料夹层板的稳定性特征。本文给出的有限元方法和结论,对于从事复合材料夹层板结构设计的工程技术人员具有一定的参考价值
Based on the “zig - zag” model, this paper derives the finite element method of buckling analysis of composite sandwich panels. The model and the column consider the transverse shear deformation of the panel and the centroid, which can be used to analyze the composite sandwich slab. In this paper, the finite element analysis results based on this model are compared with those from other literatures. The stability characteristics of the composite sandwich plate under uniaxial compression, biaxial compression and compression shear are discussed. The finite element method and conclusion given in this paper have certain reference value for engineering and technical personnel engaged in the structural design of composite sandwich panels