Results 41 to 50 of about 5,941 (164)

RESEARCH ON HULL-FORM OPTIMIZATION OF A PASSENGER SHIP USING HULL-FORM MODIFICATION ALGORITHM WITH GAUSSIAN DISTRIBUTION FUNCTION

Brodogradnja, 2016
The present study proposes an automatic hull form control algorithm to effectively control the hull form of a ship. A Gaussian distribution function is implemented in the proposed algorithm that automatically controls the hull form in conjunction with an
Hee-Jong Choi, Hyun-Sik Yoon
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Panel cutting method: new approach to generate panels on a hull in Rankine source potential approximation

International Journal of Naval Architecture and Ocean Engineering, 2011
In the present study, a new hull panel generation algorithm, namely panel cutting method, was developed to predict flow phenomena around a ship using the Rankine source potential based panel method, where the iterative method was used to satisfy the ...
Hee-Jong Choi, Ho-Hwan Chun, Il-Ryong Park, Jin Kim   +3 more
doaj   +1 more source

A Self-Organizing Fuzzy Logic Classifier for Benchmarking Robot-Aided Blasting of Ship Hulls

Sensors, 2020
Regular dry dock maintenance work on ship hulls is essential for maintaining the efficiency and sustainability of the shipping industry. Hydro blasting is one of the major processes of dry dock maintenance work, where human labor is extensively used. The
M. A. Viraj J. Muthugala, Anh Vu Le, Eduardo Sanchez Cruz, Mohan Rajesh Elara, Prabakaran Veerajagadheswar, Madhu Kumar   +5 more
doaj   +1 more source

Quadratic strip theory for high-order dynamic behavior of a large container ship with 3D flow effects

International Journal of Naval Architecture and Ocean Engineering, 2016
Springing is the resonance phenomenon of a ship hull girder with incoming waves having the same natural frequency of the ship. In this study, a simple and reliable calculation method was developed based on quadratic strip theory using the Timoshenko beam
Kyeong-uk Heo, Weoncheol Koo, In-Kyu Park, Jungsoo Ryue   +3 more
doaj   +1 more source

The Model of Ship Movement While Touching the Sea-bed [PDF]

TransNav, 2007
When a ship hits the sea-bed then it?s hull pressing on ground. It caused the reversible passive ground reaction. The consequences of such event can result the ships hull damage.
Wieslaw Galor
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Characterization of Fluid-Structure Interaction on Hydrodynamic Performance of Different Ship Hulls Using ANSYS [PDF]

Computational Engineering and Physical Modeling
Characterization of fluid-structure interaction on the hydrodynamic performance of different ship hulls is presented in this paper. This research aims to investigate the influence of fluid-structure interactions on hydrodynamic performance of ship hull ...
Paul Ohwofadjeke, Anietie Udo, Jonah Jonah   +2 more
doaj   +1 more source

Numerical Ship Hull Optimization

, 1999
Il paper presenta il confronto numerico sperimentale dei risultati di due distinti processi di ottimizzazione. Due diversi algoritmi di ricerca locale sono stati applicati all'ottimizzazione delle forme prodiere di una nave da carico. Le forme di carena originali sono state provate in vasca navale, insieme a due modelli ottenuti tramite il processo di ...
Michele Rossetti, Daniele Peri, Emilio F Campana   +2 more
openaire   +2 more sources

Research on Ship Hull Hybrid Surface Mesh Generation Algorithm Based on Ship Surface Curvature Features

Journal of Marine Science and Engineering
Mesh generation is a critical preprocessing step in Computational Fluid Dynamics. In ship hydrodynamics, existing mesh generation methods lack adaptability to complex hull surface geometries, necessitating repeated optimization.
Wenyang Duan, Peixin Zhang, Kuo Yang, Limin Huang, Yuanqing Sun, Jikang Chen   +5 more
doaj   +1 more source

Direct prismatic coefficient variation to hull form surface

International Journal of Naval Architecture and Ocean Engineering
The initial ship design process aims to optimize the hull form to enhance ship efficiency. During this phase, hull form variations are executed based on a reference ship to meet shipowner requirements, such as altering the CP (prismatic coefficient) to ...
Dayeon Jeong, Min-Jae Oh
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APPLICATION OF CFD FOR ANALYSIS OF THE SHIP AND PROPELLER FLOW

TASK Quarterly, 1998
The paper describes the computer system PANSHIP for analysis of flow around the ship hull moving with constant velocity in calm water, including the effects of free surface and propeller operation.
TOMASZ JAN BUGALSKI , JAN SZANTYR
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