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极值点失稳
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极值点失稳
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结构稳定
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extreme point buckling
极值点失稳
结构在一定条件下丧失原有的平衡形式(内力和变形状态),变形按原有状态迅速增长,以致使结构丧失承载能力,而不出现新的平衡形式,称极值点失稳。亦可称为结构丧失了第二类稳定性,或第二类失稳。是结构失稳的一种形式。
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