海洋平台风载荷的数值分析  

Numerical Analysis of Wind Load for Offshore Platform

作　　者：林一[1,2] 胡安康[1,2] 蒋玮[1,2] 

机构地区：[1]哈尔滨工程大学船舶工程学院,哈尔滨150001 [2]中集船舶海洋工程设计研究院,上海201206

出　　处：《船舶工程》2014年第1期104-108,共5页Ship Engineering

基　　金：国家自然科学基金(51079034);中央高校科研基金(HEUCFR1003)

摘　　要：风载荷是海洋平台主要的设计载荷,常规的规范算法在结果上偏于保守。基于N-S方程对某自升式钻井平台进行了风载荷的数值分析,RANS方程和连续性方程采用有限体积法离散。在此基础上,对数值分析中湍流模型选择及网格划分方法进行了讨论,并采用CFX及FLUNET软件对自升式钻井平台整体及单个构件的风载荷和形状系数进行了研究。Wind load is the primary design load of the offshore installation. However, the results calculated according to MODU rules are conservative. Numerical analysis of wind load for jack-up unit is studied in this paper based on Navier-Stokes equation. The governing equations, which are Reynolds Averaged Navier-Stokes and continuity equations, adopt finite volume method The turbulence model selection and element meshing method in numerical study are studied in this paper. Besides, CFX and FLUENT are used to study the wind loads of jack-up unit and its components, together with the shape coefficient.

关 键 词：海洋平台 设计载荷 风载荷 数值分析 

分 类 号：U674.38[交通运输工程—船舶及航道工程]