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Effect of ship size, forward speed and wave direction on relative wave height of container ships in rough seas

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Bibliographic Details
Main Author: N. M., Golam Zakaria, Dr.
Other Authors: gzakaria@name.buet.ac.bd
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Container ship
Relative wave height
Rough sea
Source-sink method
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13688
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spelling my.unimap-136882011-09-07T19:46:49Z Effect of ship size, forward speed and wave direction on relative wave height of container ships in rough seas N. M., Golam Zakaria, Dr. gzakaria@name.buet.ac.bd Container ship Relative wave height Rough sea Source-sink method Link to publisher's homepage at http://www.myiem.org.my/ This paper deals with the numerical calculations of relative wave height of ships in the rough seas. Linear potential theory has been applied for describing fluid motion and 3-D sink-source technique has been used to determine hydrodynamic forces for surface ship advancing in waves at constant forward speed. The numerical results are compared not only with some experimental results but also with some other contemporary methods in frequency domain analysis used by others researchers. The numerical results of 3-D Green Function which has been solved by the method of singularities distributed over the hull surface is then used to analysis the results in time domain. For the simulation of the random sea, a fully probabilistic technique with unequal frequency spacing has been applied. Empirical non-linear roll damping has been incorporated to predict motion response in rough sea and time domain simulation of relative wave height of typical ship like container ships of different size and speed in short crested irregular waves have been carried out with different sea states. The numerical results of the maximum and significant values of irregular relative wave heights for different sea states have been discussed by comparing with some requirements by a Classification Society of shipping in order to assess if its rule consider enough allowance of deck load issue in case of severe sea states and it is evident from the numerical simulation that irrespective of the size of the ships, there is more prone to bow slamming or propeller emergence for the case of most severe sea state considered in this paper. 2011-09-07T19:46:49Z 2011-09-07T19:46:49Z 2009-09 Article The Journal of the Institution of Engineers, Malaysia, vol. 72(3), 2009, pages 21-34 0126-513X http://www.myiem.org.my/content/iem_journal_2009-180.aspx http://hdl.handle.net/123456789/13688 en The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Container ship
Relative wave height
Rough sea
Source-sink method
spellingShingle Container ship
Relative wave height
Rough sea
Source-sink method
N. M., Golam Zakaria, Dr.
Effect of ship size, forward speed and wave direction on relative wave height of container ships in rough seas
description Link to publisher's homepage at http://www.myiem.org.my/
author2 gzakaria@name.buet.ac.bd
author_facet gzakaria@name.buet.ac.bd
N. M., Golam Zakaria, Dr.
format Article
author N. M., Golam Zakaria, Dr.
author_sort N. M., Golam Zakaria, Dr.
title Effect of ship size, forward speed and wave direction on relative wave height of container ships in rough seas
title_short Effect of ship size, forward speed and wave direction on relative wave height of container ships in rough seas
title_full Effect of ship size, forward speed and wave direction on relative wave height of container ships in rough seas
title_fullStr Effect of ship size, forward speed and wave direction on relative wave height of container ships in rough seas
title_full_unstemmed Effect of ship size, forward speed and wave direction on relative wave height of container ships in rough seas
title_sort effect of ship size, forward speed and wave direction on relative wave height of container ships in rough seas
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13688
_version_ 1643790970884456448
score 13.211869

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