【摘要】 本文利用有限元方法，对压缩载荷作用下含各种形状脱层损伤的复合材料层合板的屈曲模态和载荷进行了研究。对不同的脱层损伤尺寸，层合板分别有整体、混合和局部三种屈曲模态，穿透脱层和埋藏脱层的层合板其临界载荷的变化规律是相同的。更多还原

【Abstract】 A finite element modeling is used to investigate the buckling behaviors of delaminated composite plates under in-plane compression.It is found that there exists three different instability modes,which are global bucking of overall plate local buckling of delamination sublaminate and mixed buckling of both.The change in critical load value of both composite laminate plates with embedded and through-width delamination shows the same pattern for various delamination size.更多还原