这样，轴对称正交异性圆环壳的齐次解第一次有了达到薄壳理论精度的完全的渐近展开。
Thus, the fully asymptotic expansion of the homogeneous solution within the accuracy of theory of thin shells is obtained.
实验还表明对于大型拱顶储罐，采用圆环壳型的承压圈有较好的承载能力， 这是一种合理的结构型式。
The results show that the toroidal shell is a good type of compression ring for large scale storage tanks as well.
本文提出了半圆环壳型肋骨加强的耐压圆柱壳结构形式，在理论和模型试验研究的基础上建立了设计计算方法。
In present paper, a new type of ring-stiffener, called the ring-stiffener of half-tube, is introduced in pressurized cylindrical shell structures.
算例表明，在消耗相同材料的情况下，半圆环加肋圆柱壳具有较好的抗水压性能；
Critical pressures of the cylindrical Shells stiffened by rings with semi-torus section and by circular tube are calculated and compared.
算例表明，在消耗相同材料的情况下，半圆环加肋圆柱壳具有较好的抗水压性能；
Critical pressures of the cylindrical Shells stiffened by rings with semi-torus section and by circular tube are calculated and compared.
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