流固耦合系统动力响应分析的精细时程积分法  

Precise Time-Integration Method for Analysis of Dynamic Responses of Solid-Fluid Coupling System

作　　者：王超[1] 李红云[1] 刘正兴[1] 

机构地区：[1]上海交通大学建筑工程与力学学院,上海200030

出　　处：《上海交通大学学报》2002年第3期399-402,共4页Journal of Shanghai Jiaotong University

基　　金：船舶工业国防科技应用基础研究基金资助项目( 99J414 .4);振动;冲击;噪声国家重点实验室开放基金课题 ( VSN-990 0 1)

摘　　要：通过对结构与理想流体耦合问题的分析 ,利用有限元方法对流固耦合系统动力响应进行了研究 .采用精细时程积分法、威尔逊θ法和纽马克法进行计算 .算例表明 ,精细时程积分方法具有精度高、不受时间步长的严格限制和计算工作量小等优点 。Through analysis of the coupling problem between structure and ideal liquid, some researches were done on the dynamic responses of solid liquid coupling system using FEM. The precise time integration method, Wilson θ method and Newmark method were used. Some numerical examples were given and the results show that the precise time integration method is in high agreement with the exact solution, not being restricted with the time step, and with a little amount of calculation work. It is adaped to the analysis of dynamic response of solid liquid coupling system.

关 键 词：流固耦合系统 动力响应 精细时程积分法 

分 类 号：O353.4[理学—流体力学]