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。
The critical load and critical stress were deduced by means of energy principle and catastrophe theory based on these conditions, and the buckling model 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。
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.
数值分析结果表明，利用磁致伸缩材料模型来解释悬臂铁磁板在横向磁场中的磁弹性屈曲问题是合理的。
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