计算力学学报Issue(6)：867-871,878,6.DOI:10.7511/jslx201306019
考虑频率依赖性的涂层复合结构固有特性求解
Solving nature characteristics of coating composite structural considering frequency-dependence property of coating materials
摘要
Abstract
Mechanical parameters of viscoelastic damping materials will change with frequency ,namely have frequency-dependent property ,thus the traditional dynamics modeling and analysis methods are not satisfied with the requirement of optimization design of coating structure .On the basis of introducing the frequency-dependence property of visco-elastic damping materials ,an efficient numerical method w hich is named as eigenvector increment method (EIM ) is presented for analyzing the nature characteristics of coating composite structure in the paper .T he theory of EIM is derived and relative solving flow chart is put forwards .The flow chart includes calculating the nature characteristics of undamped system ,solving the complex eigenvector increment used Fox and Kapoor or Nelson method ,acquiring the complex eigen-values adapted Rayleigh quotient method .At last ,a titanium thin plate coated visco-elastic damping layer is taken as study object ,the nature characteristics are solved by EIM .T he correctness of proposed meth-od is proved ,by comparing the results with the classical modal strain energy (MSE) method .关键词
频率依赖性/涂层/复合结构/固有特性Key words
frequency-dependence/coating/composite structure/nature characteristics分类
机械制造引用本文复制引用
孙伟,齐飞..考虑频率依赖性的涂层复合结构固有特性求解[J].计算力学学报,2013,(6):867-871,878,6.基金项目
中央高校基本科研业务费专项（N110403010）资金资助． （）
