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App1.Math.Mech.一Eng1.Ed.,34(12),1481—1494(2013)
Applied Mathematics
DOI10.1007/s10483—013—1761—7
andM echanics
⑥ShanghaiUniversityandSpringer—Verlag
BerlinHeidelberg2013 (EnglishEdition)
Hydromagneticrotatingflow ofthird gradefluid
T.HAYAT ,-, R.NAZ , A.ALSAEDI。, M .M .RASHIDI。
(1.DepartmentofMathematics,Quaid—i—AzamUniversity,Islamabad44000,Pakistan;
2.DepartmentofMathematics,KingAbdulazizUniversity,Jeddah 21436,SaudiArabia
3.GeniMecanique,UniversitedeSherbrooke,Sherbrooke,Quebec5119,Canada)
Abstract Thiswork investigatestheflow ofa third gradefluid in a rotatingframe
ofreference.ThefluidisincompressibleandmagnetohydrodynamicfMHD1.Theflow is
boundedbetweentwoporousplates.thelowerofwhichisshrinkinglinearly.M athematical
modelling ofthe considered flow leadsto a nonlinear problem . Thesolution ofthis
nonlinearproblem iscomputedbythehomotopyanalysismethod(HAM).Graphsare
presentedtodemonstratetheeffectofseveralemergingparameters,whichclearlydescribe
theflow characteristics.
Key words thirdgradefluid,shrinkingsheet,rotatingframe)magnetohydrodynamic
(MHD)flow
ChineseLibrary Classification O351
2010MathematicsSubjectClassification 76D05
1 Introduction
Dynamicofnon—Newtonianfluidshasbeenasubectofwideinterestofseveralresearchersre—
cently.Thisisbecauseofitsextensiveapplicationsinengineeringandindustry.Non—Newtonian
fluidsarereferredtothosefluidsthatcannotbedescribedbyNewton’slaw ofviscosity.A num—
berofimportantfluidsin dailylifeincludecosmeticproducts,ketchup,eggyolk,somepaints
polymersolutions,blood atlow shearrate,gels fossilfuels,and many otherdisplay non—
Newtonian behaviors.Non—N
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