得到了该类双曲型斗壳的应力变形分布、率和振型模态，并对颗粒料仓斗壳的外形曲线进行了优化。
The distribution stress and deformation, frequency and mode shape is acquired the outline optimization for the circum-shell of Compounding funnel is also studied.
提出了筒承式群仓平动自振基频、结构基本振型指数的计算公式及简化设计方法。
The calculating formulae and short_cut methods for design, which are about the basic frequency of vibration, and the structural coefficient of the basic vibration model, are put forward.
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