Investigation of TLP's hydrodynamic response with different tendon connection angles  

作　　者：Yang Yu Aaron Hardowar Jianxing Yu Shuai Hao Xiaodong Gao 

机构地区：[1]State Key Laboratory of Hydraulic Engineering Simulation and Safety,Tianjin University,Tianjin 300072,China [2]Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration,Shanghai 200240,China

出　　处：《Theoretical & Applied Mechanics Letters》2018年第4期291-297,301,共8页力学快报（英文版）

基　　金：supported by the National Basic Research Program of China (Grant 2014CB046803);the National Natural Science Foundation of China for Youth (Grant 51609169);the National Natural Science Foundation of China (Grant 51779173)

摘　　要：This paper aims to investigate the hydrodynamic behavior of a tension leg platform(TLP)when the tendon connection angles are varied at 90°,70°,50°,and 30°.Three different types of loading conditions are applied to the TLP.Conditions include 100-year hurricane storm period,regular waves and no loading.The TLP displayed major response in the pitch degree of freedom.A maximum reduction of 14% in pitch rotation is achieved when 100-year hurricane storm conditions are applied to the TLP.This occurred in 0°loadings at 30°tendon connection angle as compared to 90°tendon connection angle.Reduction in pitch rotation is also achieved in the regular wave loadings.A maximum of 9% in pitch rotation is achieved during 0°wave loading at 30°tendon connection angle as compared to 90°.When the tendon connection angle is reduced from 90°to 30°,the natural frequency of the TLP increased both in pitch and yaw degrees of freedom by 2.55% and 2.40%,respectively.This paper aims to investigate the hydrodynamic behavior of a tension leg platform(TLP)when the tendon connection angles are varied at 90°,70°,50°,and 30°.Three different types of loading conditions are applied to the TLP.Conditions include 100-year hurricane storm period,regular waves and no loading.The TLP displayed major response in the pitch degree of freedom.A maximum reduction of 14% in pitch rotation is achieved when 100-year hurricane storm conditions are applied to the TLP.This occurred in 0°loadings at 30°tendon connection angle as compared to 90°tendon connection angle.Reduction in pitch rotation is also achieved in the regular wave loadings.A maximum of 9% in pitch rotation is achieved during 0°wave loading at 30°tendon connection angle as compared to 90°.When the tendon connection angle is reduced from 90°to 30°,the natural frequency of the TLP increased both in pitch and yaw degrees of freedom by 2.55% and 2.40%,respectively.

关 键 词：TENDON CONNECTION IRREGULAR WAVES Regular WAVES Pitch Yaw 

分 类 号：O3[理学—力学]