Abstract
In this chapter we treat finite element methods for the discretization of the variational Oseen problem (2.21) and for the spatial discretization of the variational formulation of the non-stationary Stokes- and Navier-Stokes equations. We restrict ourselves to the class of Hood-Taylor finite elements on tetrahedral grids. In order to perform local grid refinement/coarsening in an efficient way, which is very important in two-phase flow applications, and to be able to use fast multigrid iterative solution methods we will apply such finite element methods not on one grid but on a hierarchy of nested triangulations. The construction of such a multilevel grid hierarchy is discussed in Sect. 3.1. In Sect. 3.2 the Hood-Taylor finite element spaces are treated. We present a numerical example in Sect. 3.3, where the approximation order of such a Hood-Taylor finite element space is investigated.
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© 2011 Springer-Verlag Berlin Heidelberg
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Gross, S., Reusken, A. (2011). Finite element discretization. In: Numerical Methods for Two-phase Incompressible Flows. Springer Series in Computational Mathematics, vol 40. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-19686-7_3
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DOI: https://doi.org/10.1007/978-3-642-19686-7_3
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-19685-0
Online ISBN: 978-3-642-19686-7
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