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- W1679635430 abstract "Abstract : At re-entrant corners the pressure has a singularity for incompressible viscous flow. In fluid flow computations there are geometries that have re-entrant corners, and for which it is needed to provide an appropriate value for the pressure at such a corner when a finite difference method dealing with the primitive formulation is used. In this paper we address the problem of finding an efficient strategy for computing pressure values at a re-entrant corner which applied to Strikwerda's second-order numerical method for solving the Stokes and Navier-Stokes equations. The pressure at the corner is regarded as a double valued function. Also we examine Moffatt's solution for the Stokes's problem near a step where the pressure becomes unbounded as the re-entrant corner is approached. We show that this strategy models very well the pressure singularity making the computation more amenable and efficient." @default.
- W1679635430 created "2016-06-24" @default.
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- W1679635430 date "1987-10-01" @default.
- W1679635430 modified "2023-09-23" @default.
- W1679635430 title "Numerical Treatment of the Pressure Singularity at a Re-Entrant Corner." @default.
- W1679635430 hasPublicationYear "1987" @default.
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