Blar i Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM) på forfatter "Xing, Yihan"
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Novel deconvolution method for extreme FPSO vessel hawser tensions during offloading operations
Gaidai, Oleg; Xu, Xiaosen; Xing, Yihan (Peer reviewed; Journal article, 2022)Robust prediction of extreme hawser tensions during Floating Production Storage and Offloading (FPSO) operations is an important safety and reliability concern. Excessive hawser tension may occur during certain environmental ... -
A novel design approach for estimation of extreme load responses of a 10-MW floating semi-submersible type floating wind turbine
Balakrishna, Rajiv; Gaidai, Oleg; Wang, Fang; Xing, Yihan; Wang, Shuaishuai (Peer reviewed; Journal article, 2022)Offshore structures are constructed to withstand extreme wind and wave-induced loads, so studying these extreme loads is vital as it allows offshore structures, e.g., wind turbines, to be designed and operated with minimal ... -
A novel design of a hybrid glulam-steel substructure for the IEA 15-MW floating wind turbine
Yousef, Hasan Hasan; Ma, Yucong; Patel, Karan Sandipkumar; Xing, Yihan (Peer reviewed; Journal article, 2023)Wind energy has become increasingly recognised as a very promising type of renewable energy. In addition, floating offshore wind turbines have facilitated the development of electricity production in intermediate (45-150 ... -
A novel method for prediction of extreme wind speeds across parts of Southern Norway
Gaidai, Oleg; Ping, Yan; Xing, Yihan (Peer reviewed; Journal article, 2022)The paper describes a novel structural reliability method, particularly suitable for multi-dimensional environmental systems, either measured or numerically simulated over a sufficient period, resulting in sufficiently ... -
Novel methods for coupled prediction of extreme wind speeds and wave heights
Gaidai, Oleg; Xing, Yihan; Xu, Xiaosen (Peer reviewed; Journal article, 2023)Two novel methods are being outlined that, when combined, can be used for spatiotemporal analysis of wind speeds and wave heights, thus contributing to global climate studies. First, the authors provide a unique reliability ... -
Novel methods for reliability study of multi-dimensional non-linear dynamic systems
Gaidai, Oleg; Xu, Jingxiang; Yan, Ping; Xing, Yihan; Wang, Kelin; Liu, Zirui (Peer reviewed; Journal article, 2023)This research presents two unique techniques for engineering system reliability analysis of multi-dimensional non-linear dynamic structures. First, the structural reliability technique works best for multi-dimensional ... -
A novel multi regional reliability method for Covid-19 death forecast
Gaidai, Oleg; Xing, Yihan (Peer reviewed; Journal article, 2022)Novel coronavirus disease is spread worldwide with considerable morbidity and mortality and presents an enormous burden on worldwide public health. The present study describes a novel bio-system reliability approach, ... -
A novel multi-dimensional reliability approach for floating wind turbines under power production conditions
Xu, Xiaosen; Xing, Yihan; Gaidai, Oleg; Wang, Kelin; Patel, Karan Sandipkumar; Dou, Peng; Zhang, Zhongyu (Peer reviewed; Journal article, 2022-08)Floating offshore wind turbines (FOWT) generate green renewable energy and are a vital part of the modern offshore wind energy industry. Robust predicting extreme offshore loads during FOWT operations is an important safety ... -
Novel reliability method validation for offshore structural dynamic response
Gaidai, Oleg; Xing, Yihan (Peer reviewed; Journal article, 2022)The paper validates novel structural reliability Gaidai-Fu-Xing (GFX) method, particularly suitable for multi-dimensional structural responses, versus well established bivariate statistical method, that is known to accurately ... -
A novel statistical method for long-term coronavirus modelling
Gaidai, Oleg; Yan, Ping; Xing, Yihan; Xu, Jingxiang; Wu, Yu (Peer reviewed; Journal article, 2022)Background: Novel coronavirus disease has been recently a concern for worldwide public health. To determine epidemic rate probability at any time in any region of interest, one needs efficient bio-system reliability approach, ... -
Numerical Modeling and Dynamic Analysis of Two-Rotor Floating Offshore Wind Turbines
El Beshbichi, Omar (PhD thesis UiS;682;, Doctoral thesis, 2023)The exploitation of offshore wind in deep waters by means of floating wind turbines is steadily gaining traction as a suitable option to produce renewable energy. Among the innovative technologies recently proposed, two-rotor ... -
Numerical Optimisation of a Classical Stochastic System for Targeted Energy Transfer
Gaidai, Oleg; Gu, Yubin; Xing, Yihan; Wang, Junlei; Yurchenko, Daniil (Peer reviewed; Journal article, 2022)The paper studies stochastic dynamics of a two-degree-of-freedom system, where a primary linear system is connected to a nonlinear energy sink with cubic stiffness nonlinearity and viscous damping. While the primary mass ... -
Numerical study on controller of offshore wind turbine and its effect on turbine loads
Østlund, Oda Marie (Master thesis, 2021)The primary objective of this thesis is to evaluate the controller behavior of a large-scale wind turbine and investigate how the controller design can affect the fatigue damage for the turbine. In addition, it is interesting ... -
An object-oriented method for fully coupled analysis of floating offshore wind turbines through mapping of aerodynamic coefficients
El Beshbichi, Omar; Xing, Yihan; Ong, Muk Chen (Peer reviewed; Journal article, 2021-07)This work presents a novel object-oriented approach to model the fully-coupled dynamic response of floating offshore wind turbines (FOWTs). The key features offered by the method are the following: 1) its structure naturally ... -
Offloading operation bivariate extreme response statistics for FPSO vessel
Gaidai, Oleg; Cao, Yu; Xu, Xiaosen; Xing, Yihan (Peer reviewed; Journal article, 2023)The Floating Production Storage and Offloading unit (FPSO) is an offshore unit producing and storing crude oil prior to tanker transport. An important design concern is an accurate prediction of risky dynamic hawser tensions ... -
Offshore tethered platform springing response statistics
Gaidai, Oleg; Xu, Jingxiang; Hu, Qingsong; Xing, Yihan; Zhang, Fuxi (Peer reviewed; Journal article, 2022)This paper demonstrates the validity of the Naess–Gadai method for extrapolating extreme value statistics of second-order Volterra series processes through application on a representative model of a deep water small size ... -
Oil tanker under ice loadings
Gaidai, Oleg; Yan, Ping; Xing, Yihan; Xu, Jingxiang; Zhang, Fuxi; Wu, Yu (Peer reviewed; Journal article, 2023)As a result of global warming, the area of the polar pack ice is diminishing, making merchant travel more practical. Even if Arctic ice thickness reduced in the summer, fractured ice is still presenting operational risks ... -
Operational reliability study of ice loads acting on oil tanker bow
Zhang, Jian; Gaidai, Oleg; Ji, Hegang; Xing, Yihan (Peer reviewed; Journal article, 2023-04)As a result of climate change, the Arctic glaciers start to melt, and the summer season arrives, making it acceptable for trade ships. There is still shattered ice in the saltwater even though the Arctic glaciers melt in ... -
Optimization of the Local Failure Design of Carbon-Fibre Epoxy Composite Curved Plates
Ivanova, Olha (Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2021-01-15)This thesis presents the optimization of the local failure design of Carbon-Fiber Epoxy Composite used in the manufacturing of the curved plates. As relatively new and reliable material carbon fiber can be used in different ... -
A practical design procedure for initial sizing of heaving point absorber wave energy converters
Jouybari, Mehdi Behboodi; Xing, Yihan (Peer reviewed; Journal article, 2021)Designing a wave energy converter with the proper size has always been challenging since it is a trade-off between many factors including cost, practicality, and energy output. In this paper a practical design procedure ...