Abstract
We will first briefly summarize the previous efforts in constructing a parameter design for local projection and grad-div stabilization based on a-priori convergence analysis for the linearized problem given in [LRL08] and [MT07]. Especially for Taylor-Hood type elements this leads to a grad-div stabilization parameter μ ~ 1. While this design works well for some academic testproblems it does not give satisfactory results for others. A review of the convergence estimate suggests an aposteriori parameter design including local norms of velocity and pressure. Some first numerical results based on this parameter design will be presented.
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Löwe, J. (2009). A Locally Adapting Parameter Design for the Divergence Stabilization of FEM Discretizations of the Navier-Stokes Equations. In: Hegarty, A., Kopteva, N., O'Riordan, E., Stynes, M. (eds) BAIL 2008 - Boundary and Interior Layers. Lecture Notes in Computational Science and Engineering, vol 69. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-00605-0_15
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DOI: https://doi.org/10.1007/978-3-642-00605-0_15
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