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Time-domain hybrid method for simulating large amplitude motions of ships advancing in waves

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dc.contributor.author Liu, S en
dc.contributor.author Papanikolaou, AD en
dc.date.accessioned 2014-03-01T01:37:29Z
dc.date.available 2014-03-01T01:37:29Z
dc.date.issued 2011 en
dc.identifier.issn 2092-6782 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/21516
dc.subject Chimera grid en
dc.subject Free surface simulation en
dc.subject Hybrid time domain method en
dc.subject Nonlinear ship motion en
dc.subject.other 3D panel en
dc.subject.other Chimera grids en
dc.subject.other Container ships en
dc.subject.other Experimental data en
dc.subject.other Forward speed en
dc.subject.other Free surfaces en
dc.subject.other Frequency domains en
dc.subject.other Green function methods en
dc.subject.other Hybrid method en
dc.subject.other Incident waves en
dc.subject.other Integration algorithm en
dc.subject.other Large-amplitude motion en
dc.subject.other Nonlinear ship motion en
dc.subject.other Numerical results en
dc.subject.other Radiation forces en
dc.subject.other Rankine source methods en
dc.subject.other Restoring forces en
dc.subject.other Time domain en
dc.subject.other Time-domain methods en
dc.subject.other Wetted surface en
dc.subject.other Numerical methods en
dc.subject.other Ships en
dc.subject.other Wetting en
dc.subject.other Time domain analysis en
dc.title Time-domain hybrid method for simulating large amplitude motions of ships advancing in waves en
heal.type journalArticle en
heal.identifier.primary 10.3744/JNAOE.2011.3.1.072 en
heal.identifier.secondary http://dx.doi.org/10.3744/JNAOE.2011.3.1.072 en
heal.language English en
heal.publicationDate 2011 en
heal.abstract Typical results obtained by a newly developed, nonlinear time domain hybrid method for simulating large amplitude motions of ships advancing with constant forward speed in waves are presented. The method is hybrid in the way of combining a time-domain transient Green function method and a Rankine source method. The present approach employs a simpledouble integration algorithm with respect to time to simulate the free-surface boundary condition.During the simulation, the diffraction and radiation forces are computed by pressure integration over the mean wetted surface, whereas the incident wave and hydrostatic restoring forces/moments are calculated on the instantaneously wetted surface of the hull. Typical numerical results of application of the method to the seakeeping performance of a standard containership, namely the ITTC S175, are herein presented. Comparisons have been made between the results from the present method, the frequency domain 3D panel method (NEWDRIFT) of NTUA-SDL and available experimental data and good agreement has been observed for all studied cases between the results of the present method and comparable other data. © SNAK, 2011. en
heal.publisher SOC NAVAL ARCHITECTS KOREA en
heal.journalName International Journal of Naval Architecture and Ocean Engineering en
dc.identifier.doi 10.3744/JNAOE.2011.3.1.072 en
dc.identifier.isi ISI:000291127400008 en
dc.identifier.volume 3 en
dc.identifier.issue 1 en
dc.identifier.spage 72 en
dc.identifier.epage 79 en


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