Unsteady free surface flow induced by a line sink in a fluid of finite depth

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dc.contributor.authorStokes, Tim E.
dc.contributor.authorHocking, Graeme Charles
dc.contributor.authorForbes, Lawrence K.
dc.date.accessioned2013-11-20T04:06:04Z
dc.date.available2013-11-20T04:06:04Z
dc.date.copyright2008-03
dc.date.issued2008
dc.description.abstractThe unsteady withdrawal of fluid from a reservoir of finite depth with a free surface through a line sink is considered. A numerical method is used to investigate the evolution of a free surface in several different geometric and initial configurations, and it is shown that there are some critical flow parameters at which the flow changes its nature. The existence of steady states is also considered. Results both with and without surface tension are included and placed in context with previous work. Inclusion of surface tension reveals that solutions either evolve to a steady state or drawdown. As the sink is moved off the base, the behaviour becomes consistent with flows in a fluid of infinite depth, and consequently flows can be classified as either “shallow” or “deep” depending on their drawdown behaviour.en_NZ
dc.identifier.citationStokes, T. E., Hocking, G. C., & Forbes, L. K. (2008). Unsteady free surface flow induced by a line sink in a fluid of finite depth. Computers & Fluids, 37(3), 236-249.en_NZ
dc.identifier.doi10.1016/j.compfluid.2007.06.002en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/8200
dc.language.isoenen_NZ
dc.publisherElsevieren_NZ
dc.relation.isPartOfComputer & Fluidsen_NZ
dc.relation.ispartofComputers & Fluids
dc.relation.urihttp://www.sciencedirect.com/science/article/pii/S0045793007001296en_NZ
dc.titleUnsteady free surface flow induced by a line sink in a fluid of finite depthen_NZ
dc.typeJournal Articleen_NZ
pubs.begin-page236en_NZ
pubs.elements-id32757
pubs.end-page249en_NZ
pubs.issue3en_NZ
pubs.volume37en_NZ
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