CFD Simulations of Surfaced Submarine Roll Motions

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TypeTechnical Report
Series titleTechnical Report
SubjectSubmarine; CFD; Simulations; Physical Model Tests
AbstractA set of CFD simulations and physical experiments were performed on a 2D surfaced submarine section. The goal of the study was to determine the effects on roll motion of a closed versus free flooding casing. Several casing configurations were examined. It was found that the casing opening size had a significant impact on roll damping, and that under-casing obstructions had only a minor effect. It was also determined that the submarine?s roll behaviour was sensitive to its vertical centre of gravity. These observations were confirmed by the physical model tests. The conclusion from this study was that a floodable casing would be required in future 3D seakeeping physical model tests in order to best reproduce full scale behaviour.
Publication date
PublisherNational Research Council Canada. Institute for Ocean Technology
PlaceSt. John's, NL
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedNo
NRC number6462
NPARC number8895310
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Record identifier4bceb180-1e30-4cc7-938b-9efc365d1573
Record created2009-04-22
Record modified2016-10-03
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