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NUMERICAL PREDICTION OF WAVE PATTERNS DUE TO MOTION OF 3D BODIES BY KELVIN-HAVELOCK SOURCES

Abstract

This paper discusses the numerical evaluation of the hydrodynamic characteristics of submerged and surface piercing moving bodies. Generally, two main classes of potential methods are used for hydrodynamic characteristic analysis of steady moving bodies which are Rankine and Kelvin-Havelock singularity distribution. In this paper, the Kelvin-Havelock sources are used for simulating the moving bodies and then free surface wave patterns are obtained. Numerical evaluation of potential distribution of a Kelvin-Havelock source is completely presented and discussed. Numerical results are calculated and presented for a 2D cylinder, single source, two parallel moving source, sphere, ellipsoid and standard Wigley hull in different situation that show acceptable agreement with results of other literatures or experiments.

Keywords:

Free Surface Waves, Boundary Element Method (BEM), Kelvin-Havelock Source

Details

Issue
Vol. 23 No. 4(92) (2016)
Section
Latest Articles
Published
20-01-2017
DOI:
https://doi.org/10.1515/pomr-2016-0069
Licencja:
Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Open Access License

This journal provides immediate open access to its content under the Creative Commons BY 4.0 license. Authors who publish with this journal retain all copyrights and agree to the terms of the CC BY 4.0 license.

 

Authors

  • Hassan Ghassemi

    AmirKabir University of Technology, Faculty of Maritime Engineering
  • Isar Ghamari

    University of Science and Technology (NTNU) Trondheim, Department of Marine Technology Norwegian
  • Arash Ashrafi

    AmirKabir University of Technology, Faculty of Maritime Engineering

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