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浮式平台锚泊线动力响应计算研究

发表时间:2012-07-31  浏览量:1270  下载量:788
全部作者: 秦洪德,朱亚洲,付爽
作者单位: 哈尔滨工程大学船舶工程学院
摘 要: 结合当今海洋采油平台的主要定位方式,以浮式平台锚泊系统响应为研究对象,对不同工况下的锚泊系统响应进行分析研究。基于集中质量-弹簧模型,对锚链线进行空间离散,对节点进行力学分析,以及各项流体力、附加质量及流体静压力等因素的影响,建立锚链线运动控制方程。运动方程是一组高非线性的偏微分方程组,这里采用Houbolt有限差分格式在时域内进行积分求解,采用Newtow-Raphson迭代法对锚链节点张力修正值进行求解,得到了给定运动情况下各节点的张力变化情况。
关 键 词: 船舶与海洋工程;锚泊系统;集中质量法;有限差分法;动力响应
Title: Research on dynamic response of mooring line for floating platform
Author: QIN Hongde, ZHU Yazhou, FU Shuang
Organization: College of Shipbuilding Engineering, Harbin Engineering University
Abstract: Combined with the present key location technique of ocean platforms, this study makes research on response of mooring system at different work conditions. On the basis of lumped-mass model, it makes space dispersing to mooring lines and makes mechanic analysis of nodes. Considering the effect of every fluid power, added mass, static pressure and other factors, the study establishes controlling equation of mooring lines. Controlling equation of mooring lines is a group of high non-linear differential equations. Adopting Houbolt format finite difference method, it makes time domain dispersing to the controlling equation; and the controlling equation is calculated by Newtow-Raphson method, it calculates the corrected value of mooring lines’ nodes, for which it gets the tension values of each node on the given motion.
Key words: naval architecture and ocean engineering; mooring system; lumped-mass method; finite difference method; dynamic response
发表期数: 2012年7月第14期
引用格式: 秦洪德,朱亚洲,付爽. 浮式平台锚泊线动力响应计算研究[J]. 中国科技论文在线精品论文,2012,5(14):1384-1392.
 
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