载流管道固液耦合振动计算  

Calculation for solid-liquid coupling vibration of fluid conveying pipe

作　　者：王世忠[1] 于石声[1] 

机构地区：[1]哈尔滨工业大学航天工程与力学系,黑龙江哈尔滨150001

出　　处：《哈尔滨工业大学学报》2001年第6期816-818,841,共4页Journal of Harbin Institute of Technology

摘　　要：根据Hamilton原理 ,用有限元法推导载流管道的固液耦合振动方程 ,用QR法计算不同边界条件下管道的临界速度和固有频率 ,用Newmark法计算了管道对阶跃载载荷的响应 .所得结果可用于火箭发动机燃料馈给管道 。The solid liquid coupling vibration equation of fluid conveying pipe is established, following the Hamilton principle and using finite element method. The critical velocity, natural frequency and dynamic response of pipes are calculated under different boundary conditions. The results can be used for design and research projects for pipes feeding fuel and water etc.

关 键 词：管道 固液耦合振动 临床速度 动态响应 有限元法 计算 

分 类 号：U173[交通运输工程]