buckling of a bar

基本解释

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。
B. a column bar (6) is firmly positioned with a lower joint-body of an upper buckling and pressing mechanism (1) and is propped by a top-suspending spring (12);
上述的立柱杆（6）与上部扣压机构（1）的下部联体牢固定位，并受到顶吊弹簧（12）的顶托；
Since absolutely straight pipe isn't always required, the difference of buckling theory and traditional bar stability theory in a specific limit of deformation is discussed.
考虑到实际工程中，并不一定要求管道保持绝对平直，求解了允许一定变形条件下本文控制方程的解析解和传统的压杆稳定理论解的差异。