Implementation of DRBEM for the determination of the heat flux in an inverse problem

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dc.contributor.authorAlsoy-Akgün, Negehan
dc.contributor.departmentOthertr_TR
dc.contributor.facultyOthertr_TR
dc.date.accessioned2021-11-30T08:02:58Z
dc.date.available2021-11-30T08:02:58Z
dc.date.issued2021-06-30
dc.description.abstractA numerical investigation of inverse unsteady natural convection flow in a square cavity filled with C u − water nanofluid is performed. In the direct problem, the enclosure is bounded by one isothermally heated vertical wall at temperature Tm and by three adiabatic walls. In the inverse problem, the enclosure is bounded by right hostile wall on which no boundary condition can be prescribed or measured and by left accessible wall on which both the boundary temperature and heat flux data are overspecified. The dual reciprocity boundary element method (DRBEM) with the fundamental solutions of Laplace and modified Helmholtz equations is used for the solutions of direct and inverse problems. Inhomogeneities are approximated with radial basis functions. Computations are performed for several values of Rayleigh number (Ra), solid volume fraction (φ) and percentage of noise (ρ), and accurate and stable results are given for three forms of heat flux namely, steady heat flux (q=q(y)), time dependent uniform heat flux (q=q(t)) and non-uniform time dependent heat flux (q=q(y,t)).tr_TR
dc.description.indexTrdizintr_TR
dc.identifier.endpage425tr_TR
dc.identifier.issn/e-issn2618-6470
dc.identifier.issue1tr_TR
dc.identifier.startpage397tr_TR
dc.identifier.urihttps://doi.org/10.31801/cfsuasmas.663447tr_TR
dc.identifier.urihttp://hdl.handle.net/20.500.12575/76487
dc.identifier.volume70tr_TR
dc.language.isoentr_TR
dc.publisherAnkara Üniversitesi Fen Fakültesitr_TR
dc.relation.isversionof10.31801/cfsuasmas.663447tr_TR
dc.relation.journalCommunications Faculty of Sciences University of Ankara Series A1 Mathematics and Statisticstr_TR
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Başka Kurum Yazarıtr_TR
dc.subjectDRBEMtr_TR
dc.subjectInverse Problemtr_TR
dc.subjectNatural Convectiontr_TR
dc.titleImplementation of DRBEM for the determination of the heat flux in an inverse problemtr_TR
dc.typeArticletr_TR

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Cilt:70 Sayı:01 (2021)