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Constrained modal analysis of the four-cylinder crankshaft based on Abaqus
Pages: 77-80
Year: Issue:  4
Journal: Journal of University of Science and Technology of Suzhou(Engineering and Technology)

Keyword:  曲轴约束模态有限元;
Abstract: 随着发动机转速的逐渐升高,曲轴所受外界激励频率也越来越大.为验证所设计发动机曲轴的合理性,利用三维建模软件Catia和有限元分析软件Abaqus对曲轴进行约束模态分析.通过对各阶固有频率和振型的分析可知所设计曲轴避免了共振发生的可能.同时,各阶的振型图为后续的动态优化设计提供了理论基础.
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