The other method is to get half wave length and related critical buckling value with optimization.
另一种方法是用优化方法求得屈曲半波长及其相应的屈曲临界值。
Assumed modes method was employed to validate the theoretical result and analyze the approximately critical bifurcation value and the post-buckling equilibria.
采用假设模态法验证了理论分析结果并得到了分岔临界值和近似后屈曲解。
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