The stability of external pressure vessel mainly depends on crust's geometrical cross-section including diameter, length and wall thickness. Among them, the length and diameter are crucial.
外压设备的抗失稳能力(稳定性)主要取决于壳体的几何尺寸，即直径、长度和壁厚，其中长度和直径起着决定性作用。
The stability of a large opening composites conic shell stiffened with nettings under axial compression, external pressure and their combination is calculated in this paper.
本文用有限元法计算了受轴压、外压、以及轴压和外压联合作用下的大开。
The Euler curve of thin shell structural off, stability due to external water pressure is obtained and the correctness and reliability of the method are proved.
通过算例得出了结构外压失稳的欧拉曲线，验证了半解析有限柱壳条元法的正确性与合理性。
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