哪位大神能解決一下？ 200
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The lanczos solver cannot be used for buckling analysis in which a model: (1) is preloaded above the bifurcation (buckling) load, or; (2) has rigid body modes, or (3) is overconstrained or (4) contains hybrid elements or connector elements.
提示說的很清楚了，就是他說的那四種情況，不能用lanczos法求解屈曲模態，檢查下模型到底是哪一種問題。