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论述了丧失舱段总稳定性是潜艇耐压壳体在深潜时的主要破坏模式 .并将振动屈曲理论应用于潜艇耐压壳体稳定性的研究 ,在 Donell公式的基础上 ,导出了带肋圆柱壳体的整体固有振动频率与壳体所受外界水压之间的关系表达式 ,据此解出带肋圆柱壳体整体失稳的理论压力值 .最后 ,将公式的计算结果、实验结果和有限元法的计算结果进行比较 ,得出几点结论 .
The main failure mode of submarine pressure hull under deep submergence is discussed, and the theory of vibration buckling is applied to the research of submarine pressure hull stability.Based on Donell’s formula, According to the expression of the relationship between the natural frequency of the shell and the external water pressure, the theoretical pressure of the shell with the ribbed cylindrical shell is obtained.Finally, the calculation results of the formula The results are compared with the results of finite element method, and some conclusions are drawn.