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给出了考虑剪力滞后及剪切变形效应条件下,复合材料薄壁层合箱梁静力行为控制微分方程组的初参数解.以此为基础,推导出了层合箱梁单元的刚度矩阵和等效结点荷载列阵,从而使薄壁层合箱梁的剪力滞、剪切变形效应分析方便地纳入了工程中广泛应用的矩阵位移法程序系统,为复合材料连续层合箱梁等复杂结构的强度及刚度分析提供了有效的计算手段.

参考文献

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[4] Wu Yaping,Zhu Yuanlin, Lai Yuanming, et al. Analysis of thin-walled composite box beam under torsional load without external restraint[J]. Thin-Walled Structures, 2002, 44(4): 385-397.
[5] Wu Yaping, Zhu Yuanlin, Lai Yuanming, et al. Analysis of shear lag and shear deformation effects in laminated composite box beams under bending loads[J]. Composite Structures, 2002, 55(2):147-156.
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