复杂机械系统多维耦合振动传递矩阵分析

被引:24
作者
孙玲玲
宋孔杰
机构
[1] 山东大学机械工程学院
[2] 山东大学机械工程学院 济南
[3] 济南
关键词
驻波; 隔振; 传递矩阵; 功率流;
D O I
暂无
中图分类号
TH113.1 [机械振动学];
学科分类号
080203 ;
摘要
以特性传递矩阵描述复杂机械系统中子结构输入、输出力与速度矢量关系,提出了复杂振源激励、多弹性支承与基础板结构三维耦合隔振系统传递矩阵力学模型。考虑隔振支承多维波动效应,推证了弹性支承耦合振动传递矩阵,为复杂系统功率流特性及隔振器多维驻波效应研究确立了有效途经。数值模拟计算表明,基础板结构的前两阶弯曲共振模态是高频域系统功率流提高的主要原因。振源力矩或垂向激振力诱发的隔振器纵向谐振使系统功率流明显提高:增大基础板厚度,驻波共振峰值提高。
引用
收藏
页码:38 / 43
页数:6
相关论文
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