Page 156 - Introduction to Computational Fluid Dynamics
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P1: IWV
0 521 85326 5
CB908/Date
0521853265c05
5.5 NOTION OF SMOOTHING PRESSURE CORRECTION
(a) May 20, 2005 12:28 135
1.0
Re = 100
∗
0.8 15 15 GRID
0.6
Y
0.4
COLLOCATED (WITHOUT SMOOTHING)
STAGGERED
0.2
P (0.5, Y) − P (0.5, 1.0)
0.0
−0.025 0.000 0.025
(b)
1.0
Re = 100
0.8
41 ∗ 41 GRID
0.6
Figure 5.10. Pressure variation with
Y
and without smoothing.
0.4
COLLOCATED (NO SMOOTHING)
STAGGERED
0.2
P (0.5, Y) − P (0.5, 1.0)
0.0
−0.025 0.000 0.025 0.050
(c)
1.0
Re = 100
0.8
15 ∗ 15 GRID
0.6
Y
0.4
COLLOCATED (WITH SMOOTHING)
STAGGERED
0.2
P (0.5, Y) − P (0.5, 1.0)
0.0
−0.025 0.000 0.025
