Interface Reduction for the Stokes Equation
In this chapter we discuss an asymptotically optimal Schur complement reduction for the 2D stationary Stokes equation in polygonal domains. This equation may be applied to model a slow flow of viscous incompressible fluid and also in iterative methods for solving the Navier-Stokes and the nonstationary Stokes problems. Efficient finite element multigrid method for the Stokes and Navier-Stokes equations by using transforming smoothers was developed in [187, 189] see also recent results in .
KeywordsStokes Equation Biharmonic Equation Polygonal Domain Trace Space Interface Equation
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