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Digitale Medien

Local pressure oscillation and boundary treatment for the 8-node quadrilateral (1986)

Carey, G. F. ; McLay, R.

Chichester : Wiley-Blackwell

International Journal for Numerical Methods in Fluids 6 (1986), S. 165-172

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Details

ISSN: 0271-2091

Schlagwort(e): Pressure Oscillations ; Driven Cavity ; Boundary Data ; Engineering ; Engineering General

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Maschinenbau

Notizen: The 8-node (serendipity) velocity basis with C° bilinear pressure is a popular element but has been observed to yield poor pressures. We present some details of numerical experiments that indicate the local nature of the error and the effects of mesh refinement, increasing Reynolds number and regularity of the data. This leads to a strategy for appropriately modifying the data near the corners that is effective in improving the computed pressure approximation.

Zusätzliches Material: 8 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/fld.1650060306

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