基于数字孪生的深水导管架杆件轴力反演方法  

Axial force inversion method of deepwater jacket platform based on digital twin method

作　　者：张艳芳[1] 程丛志 周雷[1] 王巍巍[1] 于思源 武文华[2,3] 刘磊 朱东旭 ZHANG Yanfang;CHENG Congzhi;ZHOU Lei;WANG Weiwei;YU Siyuan;WU Wenhua;LIU Lei;ZHU Dongxu(Offshore Oil Engineering Co.,Ltd.,Tianjin 300451,China;State Key Laboratory of Structural Analysis,Optimization and CAE Software for Industrial Equipment,Dalian University of Technology,Dalian 116024,China;Faculty of Vehicle Engineering and Mechanics,Dalian University of Technology,Dalian 116024,China;Dalian Kingmile Anticorrosion Technology Co.,Ltd.,Dalian 116024,China)

机构地区：[1]海洋石油工程股份有限公司 [2]大连理工大学工业装备结构分析优化与CAE软件全国重点实验室 [3]大连理工大学运载工程与力学学部 [4]大连科迈尔防腐科技有限公司

出　　处：《科技导报》2023年第15期97-105,共9页Science & Technology Review

基　　金：国家重点研发计划项目(2021YFA1003501);国家自然科学基金项目(U1906233);山东省联合基金项目(2019JZZY010801);深圳市自由探索类基础研究项目(2021Szvup021);中央高等学校基本科研业务费项目(DUT22ZD209)。

摘　　要：深水导管架平台是我国南海具有广泛应用前景的海洋油气装备。实时、准确地获取深水导管架关注杆件的受力行为可以及时评估导管架的在役安全状态。基于数字孪生方法开展了深水导管架杆件轴力反演方法研究,并在亚洲最大的导管架——陆丰15-1平台进行现场验证。结合深水导管架现场监测系统,建立数字孪生系统框架;开展了基于实测海况的海洋环境载荷特征提取和SACS-ANSYS仿真数据库构建;结合海况插值算法,给出了监测海况下关注杆件轴力的计算过程;基于监测部分海况数据验证了本文算法在陆丰15-1深水导管架平台的可行性。Deepwater jacket platform has found wide application in the South China Sea.Real-time and accurate acquisition of the forcing state of concerned members of the deepwater jacket platform can assess the safety status of the platform in service.Using the digital twinning methodology,this paper presents an axial force inversion method of deepwater jacket platform and carries out field verification on the LF 15-1 platform which is the largest jacket in Asia.Firstly,a digital twinning framework is established through an on-field monitoring system.Then,based on SACS simulation database and sea state interpolation algorithm,a procedure to calculate the axial force of concerned member under monitoring is developed.Finally,feasibility of the algorithm is verified on the LF 15-1 deepwater jacket platform with the prototype of monitored sea state data.The research results can provide reference for operation and maintenance of deepwater jacket platforms.

关 键 词：数字孪生 深水导管架 轴力反演 

分 类 号：TE95[石油与天然气工程—石油机械设备]