By employing FEM analysis software, the Eigen buckling of both a ring-stiffened cylinder and a ring and stringer-stiffened cylinder are calculated.

本文中利用有限元软件对环肋圆柱壳和纵横加筋圆柱壳进行了特征值屈曲分析。

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So the ring and stringer-stiffened cylinder is advised for the characteristics of the mono-shell submarine.

因此，纵横加筋圆柱壳被建议作为单壳体潜艇的结构形式。

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The experiment research on stability of ring-stiffened concave cone-toroid-cylinder combined shell is presented in this paper.

文章对凹型加肋锥-环-柱结合壳稳定性进行了模型试验研究，观察到凹环壳段失稳的一个特殊现象。

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