The effect of the initial geometrical imperfection on the buckling critical pressure and buckling model has been taken into account in the finite element simulation.
在有限元模拟中，分析了初始几何缺陷对壳体起皱的临界压力和起皱形态的影响。
2
The effects of geometrical imperfections, unuhiform loads and support settlements on the in-plane buckling of circular arch are investigated.
研究了几何缺陷、荷载非均匀分布和支座沉陷对圆弧拱面内屈曲的影响。
3
The stability calculation has three parts, including static calculation, linear buckling analysis and geometrical nonlinear stability analysis.