由圆环板正交连接的双层变厚度带肋圆柱壳整体结构矩阵分析

利用圆环板与内、外圆柱壳正交连接的变形协调条件，把每跨双层壳作为整体，建立双层 圆柱壳段的平衡方程，并叠加环肋骨、中间支骨、纵筋的刚度。运用相关矩阵分析手段和相邻 壳段的连续条件，将壳段平衡方程组集成待定参数的总体方程。该方法可以准确求解双层圆 柱壳结构任何部位、构件的挠度和应力

ENTIRE STRUCTURE MATRIX ANALYSIS FOR VARIABLE THICKNESS DOUBLE CYLINDRICAL SHELL STRENGTHENED WITH FRAMES AND ORTHOGONALLY CONNECTED WITH RING PLATES

By using the deformation coordinated condition for the orthogonal connection of ring plates and cylindrical shells inside and outside, taking every segment of double cylindrical shells as an entire structure, this paper builds a balance equation about the segments of the double cylindrical shell, then superimposes the stiffness of the ring frames, middle frames and longitudinal frames. With the method of correlated matrix analysis and the continuous conditions of adjacent segments, the balance equations of the segments are integrated into an entire equation group about standby parameters. This method can accurately solve the deflection and stress on any part or stringer of the double cylindrical shell.