摘要
针对张力腿结构动力响应特点,提出一套张力腿式浮式风机动力耦合理论模型,编制计算程序,并通过与实验结果的对比,验证理论模型以及程序的适用性。张力腿式系泊系统稳定性好,但张力载荷随平台位移的变化显著;张力腿结构的动态响应与支撑平台和风机系统动态响应存在显著的耦合作用。针对张力腿浮式风机动力耦合特性,采用谱方法对张力腿结构建立耦合动力模型;考虑细长体在波浪中受到的粘性力,通过哈密顿原理推导出张力腿运动控制方程,利用自主开发的计算程序DARwind和数值计算方法求解系统动态响应。最后,将数值计算结果同UMAINE的试验数据进行对比分析,以验证程序的合理性。
On account of dynamic characteristics of tendon structures,this paper presents a theoretical model and an in-house program for analyzing the dynamic responses of TLP-type floating wind turbines.Feasibility of this program is then validated by comparison between analysis results and experiment results.The tension-leg mooring system has a perfect stability while tension varies a lot along with platform displacement and has a coupled effect with platform motion.A spectral method and Hamilton method are applied to build a coupled dynamic model and nonlinear equations.Calculation results using this in-house program named DARwind are analyzed and compared with experiment results of UMAINE to validate the rationality of the code.
作者
叶江舟
胡志强
王晋
YE Jiangzhou;HU Zhiqiang;WANG Jin(State Key Laboratory of Ocean Engineering.Shanghai Jiao Tong University.Shanghai 200240.China;Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration,Shanghai Jiao Tong University,Shanghai 200240,China;School of Marine Science and Technology,Newcastle University,Newcastle upon Tyne,NE1 7RU,UK;COTEC Offshore Engineering Solution,Beijing 100011,China)
出处
《海洋工程》
CSCD
北大核心
2018年第2期100-107,共8页
The Ocean Engineering
基金
国家科技重大专项子课题(2016ZX05028-002-004)
