The deflection equations of constrained buckling are derived in buckling of bar structure via point contact and line contact models.
针对受压限制失稳结构，利用点接触、线接触屈曲模型，建立了杆在各种屈曲模态下的挠度曲线方程。
Using the finite element method, the dynamic buckling of a bar with finite initial imperfection under axial impact is analyzed in this paper.
本文用有限元方法分析了一定初缺陷杆受轴向冲击的弹塑性动态屈曲。
Throgh eigenvalue buckling analyses, the stability of the through steel-box tie-bar arch-bridge is analyzed.
根据特征值屈曲分析方法，对某下承式钢箱系杆拱桥的稳定性进行分析计算。
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