fiat strip initial geometrical imperfection 平直条状初始几何缺陷
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 results show that the initial geometrical imperfection of the structure influences heavily its instability forms, which results in an effect on the ultimate load bearing capacity of the structure.
结果表明，结构的几何缺陷将严重影响结构的失稳形式，从而影响结构的极限承载能力。
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