【作者】 李凌均； 孔维峰； 陈磊； 郝旺身；

【Author】 LI LingJun,KONG WeiFeng,CHEN Lei,HAO Wangshen (School of Mechanical Engineering,Zhengzhou University,Zhengzhou 450001,China)

【机构】 郑州大学机械工程学院；

【摘要】 利用有限元软件ANSYS模态分析功能,在对某汽车水泵总成建立三维实体模型的基础上,对其进行约束模态分析,计算汽车水泵总成的前七阶固有频率和相应振型。根据对该水泵总成的振型图的分析,对该水泵总成的主要零部件进行尺寸修改,通过优化计算,提高了水泵总成的固有频率,从而改善了该水泵总成的动态性能。更多还原

【Abstract】 Applying modal analysis software features of ANSYS,the three dimensional model of an automobile pump assembly was established,and its constrained modal analysis was carried out too.Through the analysis,the natural frequencies and mode shapes of the first seven modes were obtained respectively.According to the analysis of the mode shapes of the pump assembly,the sizes of its primary parts were modified.By optimization calculation,the natural frequencies of the pump assembly were increased and its dynamic characteristics were improved.更多还原