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arXiv 2004.07966math.NAcs.NAmath.AP
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On the analysis and approximation of some models of fluids over weighted spaces on convex polyhedra

Enrique Otarola, Abner Salgado

英文摘要:

We study the Stokes problem over convex polyhedral domains on weighted Sobolev spaces. The weight is assumed to belong to the Muckenhoupt class $A_q$ for $q \in (1,\infty)$. We show that the Stokes problem is well-posed for all $q$. In addition, we show that the finite element Stokes projection is stable on weighted spaces. With the aid of these tools, we provide well-posedness and approximation results to some classes of non-Newtonian fluids.

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