A stream-function-vorticity variational formulation for the exterior Stokes problem in weighted Sobolev spaces

作者: V. Girault , J. Giroire , A. Sequeira

DOI: 10.1002/MMA.1670150506

关键词: Vector potentialStream functionSobolev spaceVorticityCalculus of variationsMathematical analysisMathematicsDomain (mathematical analysis)Structure (category theory)Bounded functionGeneral EngineeringGeneral Mathematics

摘要: In this paper we derive a mixed variational formulation for the exterior Stokes problem in terms of vorticity and stream function, or vector potential three dimensions. The main steps are construction function (or potential) proof Babuska–Brezzi ‘inf-sup’ condition. two- three-dimensional cases treated separately because structure differs substantially according to number dimensions considered. conclusion work is that if set weighted Sobolev spaces Hanouzet Giroire, analysis quite same as domain were bounded.

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