柔性圆柱涡激振动流体力系数识别方法  

Identification Methods for Hydrodynamic Coefficients of Flexible Cylinder Subjected to Vortex-Induced Vibration

作　　者：徐万海[1,2] 马烨璇 张书海 高喜峰[1] XU Wanhai;MA Yexuan;ZHANG Shuhai;GAO Xifeng(State Key Laboratory of Hydraulic Engineering Simulation and Safety,Tianjin University,Tianjin,300072,China;School of Civil Engineering,Tianjin University,Tianjin,300072,China)

机构地区：[1]天津大学水利工程仿真与安全国家重点实验室,天津300072 [2]天津大学建筑工程学院,天津300072

出　　处：《中国海洋平台》2019年第1期1-8,15,共9页China offshore Platform

基　　金：国家自然科学基金(51679167;51678548)

摘　　要：系统地总结柔性圆柱涡激振动流体力计算方法和分解方法,阐述误差来源和适用范围,并对如何进一步提高流体力识别精度提出合理化建议,为柔性圆柱流体力特性研究提供指导和借鉴。In order to provide guidance and reference for studying the hydrodynamic characteristics of flexible cylinder,the methods for calculation and decomposition of the hydrodynamic force of the flexible cylinder subjected to Vortex Induced Vibration(VIV)are summarized systematically,the error source and application scope of the methods are elaborated,and some suggestions are given to further improve the accuracy of the identification of the hydrodynamic force.

关 键 词：柔性圆柱 涡激振动 流体力计算 流体力分解 

分 类 号：TV312[水利工程—水工结构工程]