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Hole in pressure plot

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Old   October 4, 2005, 05:01
Default Hole in pressure plot
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Strange problem in CFX 5.7.1. I've obtained results for airfoil in subsonic stream and plotted 2D graph (pressure on surface depending on X coordinate). Not bad distribution except little (2-3% of chord) zone, where no line, just a hole. Considering ForceX parameter (affecting on drag) I see great increasing of ForceX in this region. What can it be?
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