基于流固耦合的液压缸碰撞研究  

Collision Analysis of the Cylinder Based on Fluid-Structure Interaction

作　　者：姚雪明[1] 权辉[1] 

机构地区：[1]第二炮兵工程学院,陕西西安710025

出　　处：《液压气动与密封》2012年第5期13-16,共4页Hydraulics Pneumatics & Seals

摘　　要：针对经典碰撞模型的局限性,通过采用缸筒弹簧模型,建立了新型液压缸碰撞模型;通过构建描述液压缸碰撞的流固耦合方程组,利用有限元软件ADINA分析了有无流体及不同负载力对液压缸碰撞位移、速度和应力的影响,分析结果表明流体对于液压缸碰撞具有明显的阻尼作用。Aimed at the limitations of the classical collision model, a simplified description of the cylinder collision is made with the cylinder tube spring model; equations set of the cylinder collision is established and the influences of the conditions with or without liquid and different load, velocity and pressure on displacement, velocity and stress of cylinder when collision occurs are analyzed by ADINA, which show that liquid has damping effect on the cylinder collision.

关 键 词：液压缸 流固耦合 碰撞 ADINA 

分 类 号：TH137.51[机械工程—机械制造及自动化] TP136[自动化与计算机技术—控制理论与控制工程]