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The BEM as a tool for analysing unsteady propulsor motions, with applications to maneuvering propellers and biomimetic flows

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dc.contributor.author Politis, GK en
dc.date.accessioned 2014-03-01T02:53:29Z
dc.date.available 2014-03-01T02:53:29Z
dc.date.issued 2011 en
dc.identifier.uri http://hdl.handle.net/123456789/36356
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-84860236452&partnerID=40&md5=7ca80dfca100d3d789c4d3553a46ec3d en
dc.subject Biomimetic flows en
dc.subject Boundary element method en
dc.subject Maneuvering propellers en
dc.subject Unsteady propulsor hydrodynamics en
dc.subject Unsteady shear layer dynamics en
dc.subject.other Flapping foil en
dc.subject.other Free shear layer en
dc.subject.other Lifting bodies en
dc.subject.other Numerical aspects en
dc.subject.other Propulsors en
dc.subject.other Shear layer en
dc.subject.other Simplifying assumptions en
dc.subject.other Time stepping algorithms en
dc.subject.other Unsteady performance en
dc.subject.other Vortex sheet en
dc.subject.other Wake model en
dc.subject.other Biomimetics en
dc.subject.other Boundary element method en
dc.subject.other Computational methods en
dc.subject.other Marine engineering en
dc.subject.other Shear flow en
dc.subject.other Propellers en
dc.title The BEM as a tool for analysing unsteady propulsor motions, with applications to maneuvering propellers and biomimetic flows en
heal.type conferenceItem en
heal.publicationDate 2011 en
heal.abstract The aim of this paper is to show how an unsteady BEM time stepping algorithm can be used in predicting the unsteady performance of maneuvering propellers and biomimetic flows. The main innovation of the developed methodology is its capability to calculate the geometry of the free shear layers (vortex sheets), produced by the lifting bodies of the system, avoiding thus the use of any simplifying assumptions like that of a helicoidal or a generalized wake model. More specifically, after a brief presentation of the principal theoretical and numerical aspects of the developed methodology, we give a number of applications for the prediction of the developed unsteady forces and moments for a maneuvering propeller in selected operational regimes and a flapping foil system. en
heal.journalName MARINE 2011 - Computational Methods in Marine Engineering IV en
dc.identifier.spage 511 en
dc.identifier.epage 527 en


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