The effect of the initial geometrical imperfection on the buckling critical pressure and bucklingmodel 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 critical load and critical stress were deduced by means of energy principle and catastrophe theory based on these conditions, and the bucklingmodel of pillar was presented.
在此基础上，应用能量原理及突变理论推导矿柱失稳的临界载荷及临界应力，提出矿柱发生失稳的屈曲模型。
3
The numerical analysis shows that it is reasonable to use magnetostrictive material model to analyze the magnetoelastic buckling of cantilevered ferromagnetic plates in transverse magnetic field.