1–20 of 83 hits
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    A hybrid algorithm of underwater structure vibration and acoustic radiation-propagation in ocean acoustic channel

    Free access
    Jia-xi Duan / Lin Zhang / Liang-long Da et al. | DOAJ | 2020
    In ocean environment, the sound speed gradient of seawater has an important influence on far field sound propagation. The FEM/BEM is used ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    An advanced technique to predict time-dependent corrosion damage of onshore, offshore, nearshore and ship structures: Part I = generalisation

    Free access
    Do Kyun Kim / Eileen Wee Chin Wong / Nak-Kyun Cho | DOAJ | 2020
    A reliable and cost-effective technique for the development of corrosion damage model is introduced to predict nonlinear time-dependent ...
    Keywords: Engineering , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    An advanced technique to predict time-dependent corrosion damage of onshore, offshore, nearshore and ship structures: Part II = Application to the ship’s ballast tank

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    Do Kyun Kim / Hui Ling Lim / Nak-Kyun Cho | DOAJ | 2020
    . Throughout the nine (9) steps, empirical formulation of the ship’s seawater ballast tank was successfully proposed and four (4) key step results were ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Faster pipe auto-routing using improved jump point search

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    Jwa-Geun Min / Won-Sun Ruy / Chul Su Park | DOAJ | 2020
    Optimization, and Ant Colony Optimization, to satisfy the relevant constraints of its own field and improve the output quality. On the other hand, this ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Optimization of fairway design parameters: Systematic approach to manoeuvring safety

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    Stanisław Gucma / Paweł Zalewski | DOAJ | 2020
    The article presents a systematic approach to design of marine navigation channels parameters resulting from manoeuvring and operational ...
    Keywords: Marine engineering , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Corrigendum to “[URANS prediction of hydrodynamic interaction between LHD and supply vessel during replenishment in calm water” 2019]

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    Qin Yao Wong / Haoli Tang / Yuting Jin et al. | DOAJ | 2020
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Experimental study on the asymmetric impact loads and hydroelastic responses of a very large container ship

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    Yuan Lin / Ning Ma / Xiechong Gu et al. | DOAJ | 2020
    model with U-shape open cross-section backbone was newly designed to meet elastic similarity conditions of vertical, horizontal and torsional ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Development of a framework to estimate the sea margin of an LNGC considering the hydrodynamic characteristics and voyage

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    Youngjun You / Jin Woo Choi / Dong Young Lee | DOAJ | 2020
    Decisions of the design speed, MCR, and engine capacity have been empirically made by assuming the value termed the sea margin. Due to ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Experimental investigation of the whirl and generated forces of rotating cylinders in still water and in flow

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    Wei Chen / Chang-Kyu Rheem / Yongshui Lin et al. | DOAJ | 2020
    The whirl and generated forces of rotating cylinders with different diameters placed in still water and in flow are studied experimentally ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Determination and application of installation sequence of piping systems in cramped spaces of ships and offshore structures considering geometric relationship of pipe elements

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    MiSeon Jang / Jong-Ho Nam | DOAJ | 2020
    The outfitting design of ships and offshore structures is mainly undertaken in a restricted space. Pipes occupying a large portion of ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Vector form intrinsic finite-element analysis of static and dynamic behavior of deep-sea flexible pipe

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    Han Wu / Xiaohui Zeng / Jianyu Xiao et al. | DOAJ | 2020
    the static and dynamic analyses of marine pipes. Nonlinear problems, such as large displacement, small strain, and contact and collision, can ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Multi-condition optimization and experimental verification of impeller for a marine centrifugal pump

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    Kai Wang / Guangzhao Luo / Yu Li et al. | DOAJ | 2020
    research. Outlet diameter D2, outlet width b2, blade outlet angle β2, blade wrap φ and blade number z of the impeller were chosen as the variables ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Spatial target path following and coordinated control of multiple UUVs

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    Xue Qi / Peng Xiang / Zhi-jun Cai | DOAJ | 2020
    described by the graph theory. The speed of each UUV is adjusted to achieve the coordination. The path following system and the coordination control ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Experimental and numerical study of autopilot using Extended Kalman Filter trained neural networks for surface vessels

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    Yuanyuan Wang / Shuhong Chai / Hung Duc Nguyen | DOAJ | 2020
    Due to the nonlinearity and environmental uncertainties, the design of the ship's steering controller is a long-term challenge. The purpose ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Estimation of drafts and metacentric heights of small fishing vessels according to loading conditions

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    Dong Jin Kim / Dong Jin Yeo | DOAJ | 2020
    accidents, it is often necessary to carry out dynamic simulations for the estimation of trajectories and motions of vessels. Initial conditions of ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Numerical and experimental study on the scale effect of internal solitary wave loads on spar platforms

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    Xu Wang / Ji-Fu Zhou | DOAJ | 2020
    Based on laboratory experiments and numerical simulations, the scale effect of Internal Solitary Wave (ISW) loads on spar platforms is ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    An experimental study on the stern bottom pressure distribution of a high-speed planing vessel with and without interceptors

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    Woochan Seok / Sae Yong Park / Shin Hyung Rhee | DOAJ | 2020
    on experiments. Model tests were performed using a high-speed towing carriage. The resistance, trim and rise of Center of Gravity (CG) of the ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Collision risk assessment based on the vulnerability of marine accidents using fuzzy logic

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    Yancai Hu / Gyei-Kark Park | DOAJ | 2020
    been proposed based on basic collision risk and vulnerabilities of marine accidents. The vulnerability can increase the possibility of marine ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    An investigation on the effect of the wall treatments in RANS simulations of model and full-scale marine propeller flows

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    Jung-Kyu Choi / Hyoung-Tae Kim | DOAJ | 2020
    model and full scale. The standard wall function to apply the low of the wall and the two layer zonal model to calculate the whole boundary ...
    Keywords: Model and full scale , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Recent developments in remote inspections of ship structures

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    Laura Poggi / Tomaso Gaggero / Marco Gaiotti et al. | DOAJ | 2020
    In recent years robotics has become an important resource in engineering. Adoption of Robotics and Autonomous Systems (RAS) in activities ...
    Keywords: Robotics and autonomous systems , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering