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采用非线性有限元分析了波纹管在扭转载荷下的失稳模态和临界失稳扭矩 ,讨论了各参数对失稳的影响 ,与线性分析得到的结果进行比较 ,并尝试用弧长法模拟波纹管的后屈曲过程。
The non-linear finite element method was used to analyze the buckling mode and the critical instability torque of the corrugated tube under torsional load. The effects of various parameters on the buckling were discussed. The results were compared with those of the linear analysis. Bellows post-buckling process.