中国空间科学技术

• • 上一篇    

碳/环氧复合材料三角形网格加筋圆锥壳体的总体稳定性

王俊奎;王虎;   

  1. 北京航空航天大学,北京航空航天大学,
  • 发布日期:1990-10-25

GENERAL STABILITY OF C/E COMPOSITE TRIANGULAR GRID CIRCULAR CONICAL SHELLS

Wang Junkui Wang Hu   

  • Published:1990-10-25
  • Supported by:
    高校博士点基金

摘要： 采用 Donnell 型扁壳理论,利用 Galerkin 法和广义平均筋条刚度法分析了在均布外压作用下碳/环氧复合材料三角形网格加筋圆锥壳体的总体稳定性,得到了临界载荷的解析表达式。数值结果表明,本文理论预示值与临界载荷的实验结果吻合较好。

关键词: 复合材料, 加强肋, 锥形壳体, 结构稳定性

Abstract: In this paper,based on the Donnell-type theory for thin shell,atheoretical analysis is presented for the general stability of C/E compositetriangular grid conical shells under external pressure.The formulas for criticalexternal pressure are obtained by using Galerkin's procedure.Good agreementis shown between the theoretical prediction of critical external pressureand experimental data.

Key words: Subject Term Composite material, Stiffening rib, Conical shell, Structural stability.