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Restraint Modal Analysis of Three-cylinder Diesel Engine Blocks
Author(s): BAO Linxiao, ZUO Yanyan, ZHOU Haichao
Pages: 13-
15,20
Year: 2010
Issue:
3
Journal: Noise and Vibration Control
Abstract: 利用UG5.0软件建立了某三缸柴油机机体的三维实体模型,应用Ansys有限元分析中常用的Lanczos法,采用4种不同约束条件对其进行了模态分析,分别计算出机体结构的前10阶约束模态的固有频率和相应振型,并对分析结果进行了比较.通过振型比较分析,发现施加不同约束固有频率提高的幅度不同,振型也有较大变化.另外针对机体振动的薄弱部位,提出了相应的改进措施,从而为该柴油机机体结构的改进设计及机体的动态响...
Citations
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