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Nonlinear buckling of steel cone-segmented cylinders under external pressure: numerical and experimental evaluations Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-18 Jian Zhang, Lingtong Zheng, Sakdirat Kaewunruen, Ming Zhan, Ping Liu
The nonlinear buckling of cone-segmented cylinders under external pressure has been investigated. The cylinders include four nominally identical cones and their slant angles ranged from 0°–20° in e...
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The study on the load and flow field of a twin-rotor vertical axis tidal current turbine Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-15 Jin Jiang, Dingfeng Xie, Muyu Zhao, Xiongbo Zheng
The purpose of this paper is to investigate the influence of interference effects on the load and flow field of double-rotor vertical axis tidal current turbines. Numerical simulations were conduct...
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Analysis of elastic stresses in rotating cylinders made of Titanium and Bronze materials Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-15 Hüseyin Fırat Kayıran, Abdul Vahap Korkmaz
This study analytically investigated elastic stress distribution in rotating cylinders made of Titanium and Bronze material. The Von Mises yield criterion was applied under the assumption of plane ...
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Strategies to improve the isochrone algorithm for ship voyage optimisation Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-14 Yuhan Chen, Wuliu Tian, Wengang Mao
An optimisation algorithm is an essential part of voyage planning systems to achieve autonomous and intelligent operations. Various algorithms have been proposed for voyage planning to minimise fue...
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Novel dimensionless parameters in 2D wedge drop Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-12 Jafar Gerdabi, Amir H. Nikseresht
The aim of this research is to create new dimensionless relations in rigid wedge impact problems, which provides the possibility of calculating wedge kinematic parameters with acceptable accuracy. ...
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Numerical investigation for the blockade capability of the multi-BWBUG cooperative system Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-12 Hancheng Huang, Qingwei Liang, Shanshan Hu, Cheng Yang, Mingyang Luo
The multiple blended-wing-body underwater glider (multi-BWBUG) cooperative system features high endurance and low noise. This system is highly suitable for performing the blockade mission offshore....
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Dynamic modeling and adaptive finite-time control of cable-driven parallel robots for ship cleaning Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-07 Jian Li, Yizong Chen, Shenghai Wang, Haiquan Chen, Guangdong Han, Weirong Luo
Ship cleaning, often manually performed by numerous workers, is crucial in the shipping industry. This study introduces a marine cable-driven parallel cleaning robot (MCDPCR) to enhance cleaning se...
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Experimental investigation on monitoring the evolution of fatigue microcracks in marine high-strength steel by nonlinear ultrasonic technique Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-05 Yifeng Zhu, Fan Zhang, Shengpeng Li, Xiaoping Chen
Due to harsh service conditions, fatigue damage is the main reason for numerous catastrophic accidents of ships and offshore constructions. This paper uses a nonlinear ultrasonic technique to monit...
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Nonlinear roll damping coefficients and natural frequency estimation via augmented extended Kalman filtering for floating body Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-03 Yavuz Hakan Ozdemir
The nonlinear roll damping coefficients and natural frequency of a floating body are discussed in this article using an augmented Extended Kalman Filtering (EKF) method. This paper presents a non-l...
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Rapid data-driven individualised shape design of AUVs based on CFD and machine learning Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-03 Ming Liu, Yu Song, Shaoqiong Yang, Ming Yang
The shape design of autonomous underwater vehicles (AUVs) has an essential influence on their hydrodynamic performance. In this study, a data-driven approach is proposed based on computational flui...
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A fuzzy Bayesian network risk assessment model for analyzing the causes of slow-down processes in two-stroke ship main engines Ships Offshore Struct. (IF 2.1) Pub Date : 2024-03-03 Veysi Başhan, Melih Yucesan, Muhammet Gul, Hakan Demirel
This paper presents a risk assessment approach for analyzing the causes of malfunction-related main engine slowdowns. A fuzzy Bayesian Network-based methodology is used to assess the factors contri...
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Design and analysis of 3-UPU wave compensation platform based on improved sliding mode control Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-29 Yuanyuan Xu, Xiwang Zhao, Guangjian Li, Xiaoli Tang
In this paper, the 3-UPU parallel mechanism platform is designed through SolidWorks software, and the assembly model of the 3-UPU parallel mechanism is imported into the Simulink environment throug...
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Sensitivity assessment of the crack propagation behavior in welded stiffened panels Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-21 Mohammad F. Tamimi, Mohamed Soliman
Welded stiffened panels play an integral role in maintaining the strength, stability, and lightweight characteristics of marine vessels. The stiffeners also affect the service life of the structure...
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Experimental and numerical investigation on Multiwalled carbon nanotubes (MWCNTs) dispersed CFRP laminate subjected to spherical and conical impacts Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-20 Pritam Ghosh, K. Ramajeyathilagam
As lightweight and load-bearing efficiency needs have grown, conventional metal has steadily given way to carbon fibre-reinforced polymer (CFRP) laminates. Also, CFRP laminates are more prone to lo...
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Computational and experimental analyses of pressure drop in curved tube structural sections of Coriolis mass flow metre for laminar flow region Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-23 Vikram A. Kolhe, Suyash Y. Pawar, Soheil Gohari, Altaf Osman Mulani, M. S. Sivagama Sundari, Giriraj Kiradoo, M. Sivaprakash, J. Sunil
This research presents a comprehensive investigation into the computational and experimental aspects of pressure drop phenomena within the curved tube structures. Mass flow measurement holds critic...
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Nominal wake field of a ship with moonpool Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-23 Xiuyuan Zhang, Cheng Chen, Qiuyue Li, Cong Sun, Qiang Guo, Liping Sun
To investigate the influence of a moonpool on the nominal wake field of a ship during calm water navigation, computational fluid dynamics calculations are performed using the STAR-CCM + software. T...
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A case study on propeller-hull vortex cavitation elimination based on CFD simulation and model test Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-22 Hai-Su Sun, Bao-Yu Ni, Yu-Xin Zhang, Xiang Fan
Propeller-hull vortex (PHV) cavitation is a special cavitating flow problem, which may cause severe negative effects on marine propeller performances. The present study shows a successful case of P...
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The effect of flow stratification on ship performance: a numerical study Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-22 Patrick Reid, Momchil Terziev, Tahsin Tezdogan, Atilla Incecik
If a layer of low-density water settles on top of higher density water, such as fresh water melting from a glacier and settling on top of colder seawater, a body of water can stratify into stable, ...
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Fatigue crack growth properties of PMMA material used in underwater transparent structures Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-22 Zhihao He, Fang Wang
Polymethyl methacrylate (PMMA) is an ideal material used in underwater transparent structures such as submersible windows and the fully-transparent pressure chamber of the sightseeing submersibles....
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An equivalent heat source model for inducted heating forming with single-circuit inductor Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-21 Ye Zhu, Ziliang Li, Meng Li, Yu Luo, Zhuguo Li
Induction line heating is a suitable method for plate bending in shipbuilding, and the rapid prediction of this forming process is required. However, the existing coupled magnetic-thermal predictio...
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Initial stiffness, ultimate capacity and failure mechanisms of tubular X-joints with external ring or plates at fire conditions Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-19 Hossein Nassiraei, Pooya Rezadoost
This research work evaluates the effect of the ring, the plate and the joint geometry on the initial stiffness, ultimate strength and failure mechanisms of tubular X-joints subjected to axially com...
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The failure mechanism analysis of defective offshore natural gas pipelines under hydrogen blended transportation Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-19 Yu Cao, Xin Liu, Jiangong Yang, Zifeng Chen, Yong Bai
Blending hydrogen for transportation in offshore natural gas pipelines is an important way to develop green energy, which is prone to hydrogen embrittlement leading to failure. The mechanical behav...
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A review of the numerical strategies for solving ship hydroelasticity based on CFD-FEM technology Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-19 Hui Li, Bingbing Han, Shengnan Liu, Sangui Chen, Zhenyang Wang, Baoli Deng
The hydroelasticity of ships is a complex fluid-solid interaction topic. The CFD-FEM technology has become a trend for studying ship hydroelasticity. Different numerical strategies, including mesh-...
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Experimental and numerical studies on the ultimate bending moment of welded plate girder with perforated web Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-15 Chen Chen, Hong Zhou
Combined opening girders with high stiffener webs used in the superstructure areas of passenger ships are prone to complex buckling phenomena under combined longitudinal and vertical loads caused b...
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Experimental and CFD investigation on resistance reduction of hydrofoils for amphibious vehicles Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-15 Dibo Pan, Bolong Liu, Xiaojun Xu, Xiaocong Wang
Resistance characteristics of amphibious vehicles are crucial for their sailing speed and battlefield survivability. This study proposes the installation of hydrofoils at the wheel cavity to reduce...
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Performance analysis of two generations of heaving point absorber WECs in farms of hexagon-shaped array layouts Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-13 Xinyuan Shao, Hua-Dong Yao, Jonas W. Ringsberg, Zhiyuan Li, Erland Johnson
Numerical analyses are presented for two generations of a floating heaving point absorber wave energy converter (WEC) installed with different farm array layouts. The wave farm configurations are b...
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Roll reduction non-linear controller based on rudder and fin joint for ship Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-12 Lihua Liang, Quancheng Cheng, Jianfeng Li, Pengfei Cai, Yinling Jiang, Zhiwen Le
This study focuses on mitigating ship roll, which significantly impacts navigation. The research investigates a design method for a rudder and fin joint roll reduction controller based on non-linea...
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Gliding strategy analysis and optimisation of underwater gliders balancing energy consumption, motion accuracy and voyage velocity Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-07 Lijie Tan, Hongyu Wu, Zhihong Jiang, Qingjian Wu, Yunqiang Yang, Shaoze Yan
This paper presents a novel gliding strategy for underwater gliders, which can better balance the glider energy consumption, motion accuracy and voyage velocity. This strategy is designed according...
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A deep learning combined prediction model for prediction of ship motion attitude in real conditions Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-05 Biao Zhang, Sheng Wang, Shaopei Ji
This paper presents the TRSA-EMD-GAN ship motion attitude prediction model, which utilizes self-attention and generative adversarial networks (GAN) to accurately predict ship motion attitudes. The ...
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Response of the offshore jacket platform at its ultimate strength under operating and extreme loads: a Malaysian waters case study Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-02 Nor Adlina Othman, Mohd Hairil Mohd
Before reassessing the reliability condition of an offshore jacket platform, it is essential to understand the behaviours that the offshore platform exhibits while it is at sea. This paper presents...
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Dynamic analysis and experimental investigation of particle damping for the vibration reduction and isolation of floating raft using the two-phase flow theory of gas-particle Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-07 Hongquan Zhang, Wangqiang Xiao, Feng Zhang
To ensure an effective and smooth operation of shipborne equipment and show ships’ vitality, the floating raft is universally used to reduce mechanical vibration and underwater-radiated noise. Howe...
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Numerical investigation on the inhibition of porpoising instability for high-speed amphibious vehicles Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-05 Zunfeng Du, Xuliang Mu, Haiming Zhu, Muxuan Han
Porpoising instability may occur in high-speed amphibious vehicles with certain hull shapes and structural properties, resulting in speed limitations and severe safety risks. This study analysed th...
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Optimisation of spool offset of sleeve valve considering opening frequency Ships Offshore Struct. (IF 2.1) Pub Date : 2024-01-31 Ning Xu, Shimin Zhang, Benchun Yao, Deli Jia
The sleeve valve is a crucial component of the integrated water distributor utilised in offshore oilfields for waterflooding. Spool offset is highly correlated with sticking. However, the existing ...
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Effect of lake waves on manoeuvring performance of a model ship Ships Offshore Struct. (IF 2.1) Pub Date : 2024-02-02 Monika Rybczak, Witold Cieślikiewicz
In this study, we investigate how natural environmental conditions affect a training vessel using a ‘mathematical model of wind and wave’ specific to Lake Silm near Kamionka, Poland. Wind and wave ...
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Performance analysis of the combination of a pitching wave surge energy converter and floating breakwaters Ships Offshore Struct. (IF 2.1) Pub Date : 2024-01-31 Saeed Ghelich, Morteza Kolahdoozan, Alan Henry
Wave Energy Converters (WEC) captured the wave energy while Floating Breakwaters (FB) attenuated the wave energy to make a calm area for harbour activities. This study investigates the combination ...
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Assessment of sediment accumulation inside the harbour basin in the development plan due to longshore sediment transport (LST) rate. A case study of Genaveh port Ships Offshore Struct. (IF 2.1) Pub Date : 2024-01-18 Mahdi Bandizadeh Sharif, Amir Hossein Gorbanpour, Hassan Ghassemi, Guanghua He
In this paper, the hydrographic data, empirical formulas and numerical modelling were used to investigate the longshore sediment transport (LST) rate in the Genaveh port to calculate the sediment a...
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Unsteady RANS and IDDES studies on a telescopic crescent-shaped wingsail Ships Offshore Struct. (IF 2.1) Pub Date : 2024-01-07 Heng Zhu, Hua-Dong Yao, Jonas W. Ringsberg
Over the years, several research projects have evaluated different concepts for wind-assisted propulsion, generally concluding that it can lead to significant fuel savings. The time-averaged propul...
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An enhanced approach for precise determination of burst pressure in steel strip reinforced thermoplastic pipes Ships Offshore Struct. (IF 2.1) Pub Date : 2023-11-22 Yuteng Zhang, Zihan Yang, Wenyu Kuang, Yong Bai
The shear deformation of the steel strip layer is introduced for the first time into the constitutive model of steel strip reinforced thermoplastic pipes (SSRTP), aiming to obtain a more precise so...
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Hydrodynamic coefficients on a deeply submerged heaving solid/porous disk: in analytical and experimental approaches Ships Offshore Struct. (IF 2.1) Pub Date : 2023-11-06 Arun George, Il Hyoung Cho
The hydrodynamic coefficients on a deeply submerged solid/porous disk subjected to forced heave oscillation have been investigated in analytical and experimental approaches. The analytical model is...
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Indirect inference approach for parameter estimation of non linear manoeuvring models of a ROV based on model basin trials Ships Offshore Struct. (IF 2.1) Pub Date : 2023-11-02 Elías Revestido Herrero, Jose Ramon Llata, Jose Joaquin Sainz, Francisco J. Velasco, Patricia Diaz Torrijos
In this work, indirect inference (II) techniques are applied to estimate the parameters of a non-linear manoeuvring model of a remotely operated vehicle (ROV). In the application of this method, a ...
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Marine propeller optimisation through user interaction and machine learning for advanced blade design scenarios Ships Offshore Struct. (IF 2.1) Pub Date : 2023-10-11 Ioli Gypa, Marcus Jansson, Rickard Bensow
The complexity of the marine propeller design process is well recognised and is related to contradicting requirements of the stakeholders, complex physical phenomena, and fast analysis tools, where...
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Predicting the occurrence of rogue waves in short-crested mixed seas Ships Offshore Struct. (IF 2.1) Pub Date : 2023-10-06 Yingguang Wang
In this paper we have for the first time proposed a novel transformed Gaussian process method for the estimation of rogue wave occurrence in a short crested mixed sea. The saddle point approximatio...
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Fixed-time observer-based heading control for underactuated hovercraft with slew rate safety constrain Ships Offshore Struct. (IF 2.1) Pub Date : 2023-10-06 Wang Yuanhui, Wang Xiaole, Valeriy Zaytsev, Dmytro Zaytsev
This paper presents a safe-guaranteed backstepping sliding mode heading controller for the underactuated hovercraft in the presence of slew safety constraint and system uncertainties. To begin with...
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Experimental analysis of a planing monohull model during forward acceleration: part II – evaluation of an indirect method for applying thrust angle in the experiments Ships Offshore Struct. (IF 2.1) Pub Date : 2023-10-06 Morteza Azizi
Most towing tank model tests conducted on planing hulls are not performed under self-propulsion conditions, and it is often not feasible to directly apply towing force at the corresponding point of...
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A cascaded model predictive control based trajectory tracking controller for an autonomous and remotely operated vehicle with LOS guidance Ships Offshore Struct. (IF 2.1) Pub Date : 2023-09-30 Jindong Xie, Mingzhi Chen, Daqi Zhu
Autonomous and Remotely Operated Vehicle (ARV) are widely used for underwater detection and typically require ARVs to track predefined trajectories. Manual operation is not very accurate and stable...
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Experimental study on vertical–lateral coupling pipe–soil interaction characteristics and speed amplification effect of marine pipelines Ships Offshore Struct. (IF 2.1) Pub Date : 2023-09-29 Yuan Yuchao, Li Ziqiang, Tang Wenyong, Xue Hongxiang
Under actual marine environment, the steel catenary pipeline’s touchdown zone frequently interacts with the seabed. The existing understanding of vertical–lateral coupling effect and speed amplific...
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Vibration prediction of offshore wind turbines based on long short-term memory network Ships Offshore Struct. (IF 2.1) Pub Date : 2023-09-26 Ge Hou, Kui Xu, Jijian Lian, Ou Cai
Offshore wind turbines (OWTs) have complex operating conditions and are prone to accidents. Timely and accurate vibration prediction can reduce the probability of failure of OWTs. To address this i...
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Fatigue damage assessment methodology for a deepwater subsea wellhead based on monitoring data Ships Offshore Struct. (IF 2.1) Pub Date : 2023-09-22 Jinlong Wang, Leixiang Sheng, Yanan Geng, Mingchun Wang, Yu Wang, Yanwei Li, Xiuquan Liu
Deepwater subsea wellhead system is subjected to the various cyclic loads transmitted from the drilling riser due to ocean waves, currents and platform motion during drilling operation; therefore, ...
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A review on operation & maintenance strategies for offshore wind farms Ships Offshore Struct. (IF 2.1) Pub Date : 2023-09-11 Dirk de Boer, George Xydis
ABSTRACT Operations and Maintenance (O&M) constitute the longest phase in the lifetime of an offshore windfarm. Because of this, the expenditures during this period are a large part of the overall cost of an offshore windfarm and thereby the Levelised Cost of Energy (LCOE). Innovations are changing the operation and maintenance strategies used during this phase. The offshore wind O&M industry is shifting
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Temperature control characteristics of intelligent cooling system for high-speed marine diesel engine Ships Offshore Struct. (IF 2.1) Pub Date : 2023-09-04 Bo Zhang, Ping Zhang, Fanming Zeng
ABSTRACT To improve energy conservation and reduce emissions of an engine, this study applies intelligent thermal management to a cooling system. With a marine high-speed diesel engine as the research object, an intelligent cooling system based on controllable cooling components was developed. A variable-universe fuzzy control algorithm is designed to control an electronic thermostat, and a ‘T–S fuzzy
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Development of a hybrid simulation and experiment test platform for dynamic positioning vessels Ships Offshore Struct. (IF 2.1) Pub Date : 2023-08-25 Changjun Hu, Quan Shi, Xin Li, Xiaoxian Guo
ABSTRACT The harsh ocean environment and complex operating conditions require high dynamic positioning (DP) capability of offshore vessel. The design, development, and performance evaluation of DP systems are generally carried out through numerical simulations or scale-model experiments. Simulations are a convenient and inexpensive alternative to experiments, but may not be practical due to the simplicity
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An analytical method for predicting the structural response of ship side structures by bulbous bow in oblique collision scenarios Ships Offshore Struct. (IF 2.1) Pub Date : 2023-08-24 Zeping Wang, Chunyu Guo, Chao Wang, Gang Chen, Ying Xu, Qing Li
ABSTRACT As more and more ships sail on the sea, the probability of collision between ships also increases. At present, researches more on head-on ship collisions than oblique ship collisions. According to statistical data, the probability of oblique ship collision is higher than that of head-on ship collision, and oblique ship collision may cause a wider range of structural damage. Therefore, this
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Dynamic analysis of the Cable-Driven Anti-swing System for slender payload lifting in the offshore environment Ships Offshore Struct. (IF 2.1) Pub Date : 2023-08-23 Maokai Sun, Shenghai Wang, Guangdong Han, Jie Guan, Yunlong Li, Haiquan Chen, Yuqing Sun
ABSTRACT The slender payload lifting is inefficient and comes with high risk in rough sea conditions. Thus it is not easy to achieve precise assembly. This paper presents a Cable-Driven Anti-swing System (CDAS) for slender payload lifting in the offshore environment. The CDAS for offshore slender payload lifting is simplified as a constrained double-pendulum system with moving base excitations. Further
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Kinematics, dynamics, and control of underwater robotic snake based on a rigid-soft unified model Ships Offshore Struct. (IF 2.1) Pub Date : 2023-08-22 Junhao Zhang, Yinglong Chen, Yongjun Gong
ABSTRACT With the advancement of underwater biomimetic robots, many kinds of underwater snake robots have been developed to perform various marine inspection and maintenance operations. This paper introduces an innovative biomimetic extension to underwater robotic vehicles, an underwater rigid-soft snake robot, which is operated by a combination of rigid propulsion modules and soft joint modules. The
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Self-propulsion characteristics of fish-like undulating foil – a numerical investigation Ships Offshore Struct. (IF 2.1) Pub Date : 2023-08-19 Yongcheng Li, Yinghua Li, Ziying Pan
ABSTRACT In this work, the propulsive characteristic of an auto-propelled 2D NACA0015 foil undergoing traveling wave motion is numerically investigated. The effects of typical motion parameters, i.e. traveling amplitude, traveling frequency (f), and geometric parameters (thickness, d) on the propulsive property of auto-propelled foil are systematically investigated. The numerical results reveal that
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Finite element analysis for winding process of plastic pipe reinforced by cross helically winding steel wires Ships Offshore Struct. (IF 2.1) Pub Date : 2023-08-19 Ruan Weidong, Teng Yaoyu, Nie Qinglin, Gao Xiaofeng, Qi Kefu, Sun Bo
ABSTRACT In this paper, the nonlinear mechanical properties for flexible pipe were obtained through mechanical property tests. Then a multi-scale coupled finite element model was established based on ABAQUS and CATIA in order to accurately simulate the force problems in the winding process of plastic pipe reinforced by cross helically winding steel wires (PSP). The mechanical responses of the PSP during
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Water wave scattering by pair of porous barriers in the presence of a bottom-standing rectangular obstacle Ships Offshore Struct. (IF 2.1) Pub Date : 2023-08-18 Biman Sarkar, Soumen De, Rupanwita Gayen
ABSTRACT Oblique wave scattering by a pair of partially immersed porous barriers, placed (i) on one side of (Position I), (ii) just above (Position II) and (iii) on the two sides (Position III) of a thick rectangular bottom-standing rigid obstacle, is studied here. The mathematical formulation and solution procedure of the corresponding boundary value problem are discussed using Havelock's expansion
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Numerical parametric assessment of the effects of stern wedges on the pressure and friction resistance of high-speed craft Ships Offshore Struct. (IF 2.1) Pub Date : 2023-08-18 Parviz Ghadimi, Farzan Kiani Ilaghi, Mohammad Sheikholeslami
ABSTRACT In the current study, wedge effects on a planing hull's friction and pressure resistance components have been numerically investigated. This study also assesses how the variation of pressure and friction resistance components can be predicted by trim angle variation. The obtained results indicate that at Frb<0.9 , stern wedges slightly increase the vessel's pressure resistance. By increasing
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Bursting oscillation of simply supported fluid-conveying pipes Ships Offshore Struct. (IF 2.1) Pub Date : 2023-08-16 H.Q. Li, X.F. Zhang, W.A. Jiang, H. Ding, L.Q. Chen, Q.S. Bi
ABSTRACT The main purpose of this article is to explore an originality multiple-frequency bursting of simply-supported fluid-conveying pipes with initial micro-bending shape under different low-frequency excitation conditions. Based on the Galerkin's method and the fast-slow dynamics analysis method, rich vibration phenomena are observed with different excitation conditions, and the multi-valued characteristics
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A solar energy-based shore side power system for a ferry service across the Suez Canal Ships Offshore Struct. (IF 2.1) Pub Date : 2023-08-16 Ameen M. Bassam, Alexander B. Phillips, Stephen R. Turnock, Philip A. Wilson
ABSTRACT For more sustainable shipping operation in coastal areas and port cities, shore side power (SSP) systems are attracting widespread interest as a solution to reduce ship auxiliary engine emissions, noise and vibration. The potential of these systems can be further improved by integrating renewable energy into the electricity grid. However, the majority of prior research has focused on investigating