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Free oscillations of thin-walled bimetallic pipelines of large diameter on an elastic foundation

机译:弹性基础上大直径薄壁双金属管道的自由振荡

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摘要

In the paper, solutions for a thin-walled bimetallic pipeline are obtained. The frequencies of free oscillations are investigated, taking into account the internal working pressure, the longitudinal compressive force, and the elastic foundation. The solutions were obtained on the basis of a geometrically nonlinear version of the semi-momentum theory of cylindrical shells of the middle bend. The proposed calculations can be used in the nuclear power industry, aviation, and petrochemical industry.
机译:在本文中,获得了用于薄壁双金属管道的解决方案。考虑内部工作压力,纵向压缩力和弹性基础,研究了自由振荡的频率。这些解决方案是根据中弯曲圆柱壳的半动量理论的几何非线性版本获得的。提议的计算可用于核电工业,航空和石化工业。

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