环向贯穿分层缺陷对层合筒壳承载能力的影响

来源 :第二届中国国际复合材料科技大会 (CCCM-2) | 被引量 : 0次 | 上传用户:lijing1671
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  分层缺陷是在层合筒壳中较为普遍和较为严重的损伤形式之一,对于含分层缺陷的层合筒壳而言,即使是局部分层缺陷也会引起结构刚度大幅降低,从而导致层合筒壳的临界屈曲载荷下降。本文基于有限元分析方法,构造了含环向贯穿分层缺陷的层合筒壳有限元模型,系统研究了轴压或外压载荷下,分层位置、分层个数等因素对层合筒壳临界屈曲载荷的影响。
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