煤炭工程 ›› 2015, Vol. 47 ›› Issue (4): 108-109.doi: 10.11799/ce201504036
• 研究探讨 • 上一篇 下一篇
陈然
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摘要： 为了解内燃机曲轴的动态特性，以及准确得到曲轴固有频率和振型对曲轴的影响，基于振动问题模态分析理论，利用PRO/E建立了材质为QT800-6的内燃机曲轴的简化模型，导入ANSYS进行了模态分析。得到了自由模态和约束模态的前8阶非零频率，并进行了比较，然后查看约束模态相应的振型，据此对曲轴的结构优化提出了一些合理的改进建议。
关键词: 内燃机曲轴, ANSYS, 固有频率, 模态分析
Abstract: Based on the theory of modal analysis on vibration problems ,the simplified model of the engine crankshaft of the material for QT800-6 was established based on the PRO/E . And conduct the model analysis by ANSYS software . So we can get the foregoing 8 orders of the non-zero frequency of the free modal and the constraint modal ,and make a comparison on them . Furthermore ,by viewing the modal shape of the constraint modal ,we can put forward some reasonable suggestions for the structural improvement of the crankshaft.
Key words: engine crankshaft, ANSYS, model analysis
中图分类号:
TD402
陈然，曹咏弘，孙华东. 基于ANSYS的内燃机曲轴的模态分析[J]. 煤炭工程, 2015, 47(4): 108-109.
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