理论上采用大挠度的应变——位移关系，建立了圆柱壳单元的弹性刚度矩阵和几何刚度矩阵。
The elastic stiffness matrix and the geometrical stiffness matrix for a element of cylindrical shells been established by the relation ship of strain displacement in a lange deflection.
提出一环状样条超级单元用于圆柱壳的分析。
In this paper, for strength analysis of cylindrical shells, model of ringed spline finite super - element is given.
最后在单元上计算和引入剪切修正系数，再经过有限元分析计算出层合圆柱壳的挠度修正值。
Finally, shear correction factor for each element was estimated, and the deflection corrector was calculated by incorporating shear correction factor.
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