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FLUENT Erosion DPM - Strange Erosion Contours

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Old   February 7, 2014, 02:43
Default FLUENT Erosion DPM - Strange Erosion Contours
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Hello all,

I intend to model sand laden flow in a pipe of a certain complex geometry, and have more less followed the tutorial here ( except with a different erosion correlation (Det Norske Veritas's) and with a different flow condition of methane gas instead of water. The computed velocity flow field seemed fine.

Below are the velocity contours and the erosion contours I computed, of which the erosion contours are obviously wrong (negative erosion? ). However, I am unable to find the problem with my simulation and hope that someone here can enlighten me.

Velocity Contours

Erosion Contours

Many thanks in advance.
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