Existence for a Class of Non-Newtonian Fluids with a Nonlocal Friction Boundary Condition

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摘要 Wedealwithavariationalinequalitydescribingthemotionofincompressiblefluids,whoseviscousstresstensorsbelongtothesubdifferentialofafunctionalatthepointgivenbythesymmetricpartofthevelocitygradient,withanonlocalfrictionconditiononapartoftheboundaryobtainedbyageneralizedmollificationofthestresses.Weestablishanexistenceresultofasolutiontothenonlocalfrictionproblemforthisclassofnon-Newtonianflows.TheresultisbasedontheFaedo-GalerkinandMoreau-Yosidamethods,thedualitytheoryofconvexanalysisandtheTychonov-Kakutani-Clicksbergfixedpointtheoremformulti-valuedmappingsinanappropriatefunctionalspaceframework.
机构地区 不详
出处 《数学学报:英文版》 2006年2期
出版日期 2006年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)