A new outflow boundary condition

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dc.contributor.author Papanastasiou, Tasos C. en_US
dc.contributor.author Malamataris, N. en_US
dc.contributor.author Ellwood, Kevin R. J. en_US
dc.date.accessioned 2007-04-06T18:38:42Z
dc.date.available 2007-04-06T18:38:42Z
dc.date.issued 1992-03-15 en_US
dc.identifier.citation Papanastasiou, T. C.; Malamataris, N.; Ellwood, K. (1992)."A new outflow boundary condition." International Journal for Numerical Methods in Fluids 14(5): 587-608. <http://hdl.handle.net/2027.42/50207> en_US
dc.identifier.issn 0271-2091 en_US
dc.identifier.issn 1097-0363 en_US
dc.identifier.uri http://hdl.handle.net/2027.42/50207
dc.description.abstract Boundary conditions come from Nature. Therefore these conditions exist at natural boundaries. Often, owing to limitations in computing power and means, large domains are truncated and confined between artificial synthetic boundaries. Then the required boundary conditions there cannot be provided naturally and there is a need to fabricate them by intuition, experience, asymptotic behaviour and numerical experimentation. In this work several kinds of outflow boundary conditions, including essential, natural and free boundar conditions, are evaluated for two flow and heat transfer model problems. A new outflow boundary condition, called hereafter the free boundary condition , is introduced and tested. This free boundary condition is equivalent to extending the validity of the weak form of the governing equations to the synthetic outflow instead of replacing them there with unknown essential or natural boundary conditions. In the limit of zero Reynolds number the free boundary condition minimizes the energy functional among all possible choices of outflow boundary conditions. A review of results from applications of the same boundary conditions to several other flow situations is also presented and discussed. en_US
dc.format.extent 1044163 bytes
dc.format.extent 3118 bytes
dc.format.mimetype application/pdf
dc.format.mimetype text/plain
dc.publisher John Wiley & Sons, Ltd en_US
dc.subject.other Engineering en_US
dc.subject.other Engineering General en_US
dc.title A new outflow boundary condition en_US
dc.rights.robots IndexNoFollow en_US
dc.subject.hlbsecondlevel Mathematics en_US
dc.subject.hlbtoplevel Science en_US
dc.description.peerreviewed Peer Reviewed en_US
dc.contributor.affiliationum Department of Chemical Engineering, The University of Michigan, Ann Arbor, MI 48109, USA en_US
dc.contributor.affiliationum Department of Chemical Engineering, The University of Michigan, Ann Arbor, MI 48109, USA en_US
dc.contributor.affiliationum Department of Chemical Engineering, The University of Michigan, Ann Arbor, MI 48109, USA en_US
dc.description.bitstreamurl http://deepblue.lib.umich.edu/bitstream/2027.42/50207/1/1650140506_ftp.pdf en_US
dc.identifier.doi http://dx.doi.org/10.1002/fld.1650140506 en_US
dc.identifier.source International Journal for Numerical Methods in Fluids en_US
dc.owningcollname Interdisciplinary and Peer-Reviewed
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