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A new outflow boundary condition

dc.contributor.authorPapanastasiou, Tasos C.en_US
dc.contributor.authorMalamataris, N.en_US
dc.contributor.authorEllwood, Kevin R. J.en_US
dc.date.accessioned2007-04-06T18:38:42Z
dc.date.available2007-04-06T18:38:42Z
dc.date.issued1992-03-15en_US
dc.identifier.citationPapanastasiou, 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.issn0271-2091en_US
dc.identifier.issn1097-0363en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/50207
dc.description.abstractBoundary 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.extent1044163 bytes
dc.format.extent3118 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.publisherJohn Wiley & Sons, Ltden_US
dc.subject.otherEngineeringen_US
dc.subject.otherEngineering Generalen_US
dc.titleA new outflow boundary conditionen_US
dc.typeArticleen_US
dc.rights.robotsIndexNoFollowen_US
dc.subject.hlbsecondlevelMathematicsen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Chemical Engineering, The University of Michigan, Ann Arbor, MI 48109, USAen_US
dc.contributor.affiliationumDepartment of Chemical Engineering, The University of Michigan, Ann Arbor, MI 48109, USAen_US
dc.contributor.affiliationumDepartment of Chemical Engineering, The University of Michigan, Ann Arbor, MI 48109, USAen_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/50207/1/1650140506_ftp.pdfen_US
dc.identifier.doihttp://dx.doi.org/10.1002/fld.1650140506en_US
dc.identifier.sourceInternational Journal for Numerical Methods in Fluidsen_US
dc.owningcollnameInterdisciplinary and Peer-Reviewed


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