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Contemporary Ideas on Ship StabilitySome Results from a New Time-Domain Bilge Keel Force Model

Contemporary Ideas on Ship Stability: Some Results from a New Time-Domain Bilge Keel Force Model [A new non-linear, time domain bilge keel force model was recently developed for inclusion in the new time-domain seakeeping/maneuvering in waves code TEMPEST, being developed by NSWCCD. This bilge keel force model combines a full unsteady extension of Bollay’s non-linear low aspect ratio lifting surface theory for cases with adequate forward speed with a more conventional approach for cases with zero or low forward speed, using Morison’s equation. This paper presents some representative results from the new bilge keel force model for a surface combatant for various roll amplitudes, roll periods, and forward speeds.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Contemporary Ideas on Ship StabilitySome Results from a New Time-Domain Bilge Keel Force Model

Part of the Fluid Mechanics and Its Applications Book Series (volume 119)
Editors: Belenky, Vadim L.; Spyrou, Kostas J.; van Walree, Frans; Almeida Santos Neves, Marcelo; Umeda, Naoya
Greeley, David S.
Contemporary Ideas on Ship Stability — Jan 2, 2019
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Publisher
Springer International Publishing
Copyright
© Springer Nature Switzerland AG 2019
ISBN
978-3-030-00514-6
Pages
119 –129
DOI
10.1007/978-3-030-00516-0_7
Publisher site
See Chapter on Publisher Site

Abstract

[A new non-linear, time domain bilge keel force model was recently developed for inclusion in the new time-domain seakeeping/maneuvering in waves code TEMPEST, being developed by NSWCCD. This bilge keel force model combines a full unsteady extension of Bollay’s non-linear low aspect ratio lifting surface theory for cases with adequate forward speed with a more conventional approach for cases with zero or low forward speed, using Morison’s equation. This paper presents some representative results from the new bilge keel force model for a surface combatant for various roll amplitudes, roll periods, and forward speeds.]

Published: Jan 2, 2019

Keywords: Bilge-keel forces; Time-domain seakeeping; Unsteady lifting surface theory

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