文中推导了圆柱壳塑性动力扭转屈曲线性方程，获得了临界冲击速度。
The linear dynamic torsional buckling equations for the rigid plastic shell is drived, and the critical impact velocity is given.
混凝土面板加强了网架的抗扭转屈曲能力，提高了最小几何非线性屈曲荷载。
The concrete slabs strengthen the torsion buckling capacity of the steel grids and enhance the minimum geometric nonlinear buckling load.
对哈勃太空望远镜太阳帆板的简化模型进行了热屈曲分析，成功地解释了热使该太阳帆板发生扭转屈曲的原因。
The cause of the torsional buckling observed on the Hubble Space Telescope solar arrays is explained by the present thermal buckling analysis.
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