The effects of geometry parameters of ellipse and stitching thread on buckling loads are investigated by Rayleigh Ritz energy method.
通过应用瑞利里兹法研究了分层椭圆几何参数和缝线等效弹性系数对压缩屈曲载荷的影响。
The results show that stitching significantly improves critical buckling loads, the buckling loads increase rapidly with increase in equivalent elastic coefficient of stitching thread.
分析结果表明，缝纫对提高临界曲屈载荷的作用十分明显，随着缝线等效弹性系数的增大，临界曲屈载荷迅速提高；
The effects of stitching technical parameters such as the stitch thread diameter, stitch step and stitch space on the stitched composite laminates are also analyzed.
研究了缝纫参数(包括缝纫线直径，缝纫针距和行距)对缝纫复合材料层合板屈曲强度的影响。
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