Abstract
In this paper we want to present an optimal existence result for the steady motion of generalized Newtonian fluids. Moreover, we present an optimal error estimate for a FEM approximation of the corresponding steady p-Stokes system. The presented results are based on long lasting cooperations with L. Berselli, L. Diening, J. Málek, A. Prohl and J. Wolf.
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Notes
- 1.
N stands for “nice”.
- 2.
In the following we will not distinguish between a sequence a suitably chosen subsequences, i.e. a subsequence of (an) will be again denoted by (an).
- 3.
Note that it is possible to modify the proof such that the limiting case \(p = \frac{3d} {d+2}\) is included. For that one has to choose a more regular basis of V p (Ω), which is always possible (cf. [28]). We do not go into the details because later (cf. Theorem 25) we will improve the lower bound substantially.
- 4.
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The author have been partially supported by the SFB/TR 71 “Geometric Partial Differential Equations”.
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Růžička, M. (2013). Analysis of Generalized Newtonian Fluids. In: Topics in Mathematical Fluid Mechanics. Lecture Notes in Mathematics(), vol 2073. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-36297-2_4
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