81–100 von 397 Ergebnissen
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    Dynamics modeling of a semi-submersible autonomous underwater vehicle with a towfish towed by a cable

    Park, Jinmo / Kim, Nakwan | Online Contents | 2015
    ABSTRACT In this paper, we employ a dynamics modeling method for investigating a multi-body dynamics system of semi-submersible autonomous ...

    Stability criterion and its calculation for sail-assisted ship

    Hu, Yihuai / Tang, Juanjuan / Xue, Shuye et al. | Online Contents | 2015
    ABSTRACT Stability criterion and its calculation are the crucial issue in the application of sail-assisted ship. How- ever, there is at ...

    Development of energy-saving devices for a full slow-speed ship through improving propulsion performance

    Kim, Jung-Hun / Choi, Jung-Eun / Choi, Bong-Jun et al. | Online Contents | 2015
    characteristics of the ESDs may be found in improved hull and propulsive efficiencies through increased wake fraction. ...

    Ultimate strength of stiffened plates with pitting corrosion

    Rahbar-Ranji, Ahmad / Niamir, Nabi / Zarookian, Arvin | Online Contents | 2015
    minimum and maximum reduction of ultimate strength with stronger stiffeners, respectively. In weak stiffener, reduction of ultimate strength in ...

    Experimental investigation of flow characteristics around four square-cylinder arrays at subcritical Reynolds numbers

    Liu, Mingyue / Xiao, Longfei / Yang, Lijun | Online Contents | 2015
    experience critical Vortex-Induced Motion (VIM) stemming from the fluctuating forces on the columns. In order to investigate the current-induced ...

    A calculation method for finite depth free-surface green function

    Liu, Yingyi / Iwashita, Hidetsugu / Hu, Changhong | Online Contents | 2015
    ABSTRACT An improved boundary element method is presented for numerical analysis of hydrodynamic behavior of marine structures. A new ...

    Welding deformation analysis based on improved equivalent strain method considering the effect of temperature gradients

    Kim, Tae-Jun / Jang, Beom-Seon / Kang, Sung-Wook | Online Contents | 2015
    ABSTRACT In the present study, the existing equivalent stain method is improved to make up for its weaknesses. The improved inherent strain ...

    Virtual simulation of maneuvering captive tests for a surface vessel

    Hajivand, Ahmad / Mousavizadegan, S. Hossein | Online Contents | 2015
    Abstract Hydrodynamic derivatives or coefficients are required to predict the maneuvering characteristics of a marine vehicle. These ...

    Hull-form optimization of KSUEZMAX to enhance resistance performance

    Park, Jong-Heon / Choi, Jung-Eun / Chun, Ho-Hwan | Online Contents | 2015
    -form brings 2.4% and 6.8% reduction in total and residual resistance coefficients compared to those of the original hull-form. The propulsive ...

    A prediction method of ice breaking resistance using a multiple regression analysis

    Cho, Seong-Rak / Lee, Sungsu | Online Contents | 2015
    efficiently herself for purposes of exploration and transportation in the polar seas. The resistance of icebreakers is a priority factor at the ...

    Prediction and improvement of the solid particles transfer rate for the bulk handing system design of offshore drilling vessels

    Ryu, Mincheol / Jeon, Dong Soo / Kim, Yooil | Online Contents | 2015
    special devices for applications to drilling systems. The pipe diameter for bulk transportation was 3 in., which corresponds to around half of the ...

    Investigation on bragg reflection of surface water waves induced by a train of fixed floating pontoon breakwaters

    Ouyang, Huei-Tau / Chen, Kue-Hong / Tsai, Chi-Ming | Online Contents | 2015
    in details which might be of help for practical engineering applications in shoreline protection from incident waves. ...

    The overall motion sickness incidence applied to catamarans

    Piscopo, Vincenzo / Scamardella, Antonio | Online Contents | 2015
    . Parametric hull modelling is applied to generate two families of derived hull forms, the former varying the prismatic coefficient and the position of ...

    Design of the dual-buoy wave energy converter based on actual wave data of East Sea

    Kim, Jeongrok / Kweon, Hyuck-Min / Jeong, Weon-Mu et al. | Online Contents | 2015
    data measured in Korea’s East Sea (position: 36.404 N° and 129.274 E°) from May 1, 2002 to March 29, 2005 were used as the input wave spectrum ...

    Numerical investigation of tip clearance effects on the performance of ducted propeller

    Yongle, Ding / Baowei, Song / Peng, Wang | Online Contents | 2015
    generated by the leakage flow through the tip clearance, and is roughly linearly proportional to the gap size. This study investigates the tip ...

    A new finite element formulation for vibration analysis of thick plates

    Senjanović, Ivo / Vladimir, Nikola / Cho, Dae Seung | Online Contents | 2015
    relation between thick and thin finite element properties is established, and compared with those in relevant literature. ...

    An experimental study of the effect of mooring systems on the dynamics of a SPAR buoy-type floating offshore wind turbine

    Hong, Sinpyo / Lee, Inwon / Park, Seong Hyeon et al. | Online Contents | 2015
    presented. The effects of the Center of Gravity (COG), mooring line spring constant, and fair-lead location on the turbine’s motion in response to ...

    Simplified welding distortion analysis for fillet welding using composite shell elements

    Kim, Mingyu / Kang, Minseok / Chung, Hyun | Online Contents | 2015
    Abstract This paper presents the simplified welding distortion analysis method to predict the welding deformation of both plate and ...

    Hull-form optimization of a container ship based on bell-shaped modification function

    Choi, Hee Jong | Online Contents | 2015
    Abstract In the present study, a hydrodynamic hull-form optimization algorithm for a container ship was presented in terms of the minimum ...

    Welding deformation analysis based on improved equivalent strain method to cover external constraint during cooling stage

    Kim, Tae-Jun / Jang, Beom-Seon / Kang, Sung-Wook | Online Contents | 2015
    work piece and bending stress forms in the transverse direction. The additional bending stress distribution across the plate thickness was ...