复合材料舵水动载荷分布特征及承载变形规律研究  

Analysis on hydrodynamic load distribution and bearing deformation law for composite rudder

作　　者：刘令[1] 李华东[1] 梅志远[1] 周广礼[1] 

机构地区：[1]海军工程大学舰船工程系,武汉430033

出　　处：《海军工程大学学报》2015年第6期51-54,107,共5页Journal of Naval University of Engineering

基　　金：国家部委基金资助项目(1010603030201)

摘　　要：基于单向耦合原理,对复合材料舵水动压力分布、轴端支反力及变形规律进行了研究。首先,采用FLUENT软件对不同舵角下敞水舵的水动压力进行了数值模拟;然后,通过Mapped field将其加载到ABAQUS结构计算模型上,分析了轴端支反力特征及舵叶变形规律。研究结果表明:随着舵角增大,舵叶面正压范围扩大,峰值不变,舵叶背负压范围不变,峰值增大,由此导致合力中心往随边移动;轴端弯矩和剪力线性增加,扭矩由于合力与力矩的变化不一致而先增加后减小;舵叶的变形主要表现为绕舵轴的扭转和导边区域的弯曲,不同舵角的变形模式存在差异。Based on one-way coupling principle, hydrodynamic pressure distribution, reaction force and deformation characteristics of composite rudder are discussed. Hydrodynamic pressure of open- water rudder under different rudder angle is numerically simulated by FLUENT, which is loaded onto the ABAQUS structural model by mapped field. Then, the reaction force and moment of rudder shaft, as well as deformation characteristics of composite rudder at different rudder angle are ana- lyzed. The result shows that with the increase of rudder angle, the positive pressure region of wel- come stream surface becomes larger while the peak is constant~ the negative pressure region of back stream surface does not change while the peak increases~ shear force and bending moment increases linearly while torsional moment increases at first and then decreases because the change of force and moment is not consistent; the deformation of rudder varies with rudder angles, mainly presenting as rotating around the rudder shaft and bending on the leading edge region.

关 键 词：复合材料舵 水动压力 变形模式 

分 类 号：O352[理学—流体力学] U668[理学—力学]