Porous Viscous Coefficient
Hello All,
I was trying to compute porous coefficients and I have a negative value for my viscous coefficient. Is it possible to have negative values or what should be done in that case? Thanks !!! |
A negative resistance value doesn't make sense.
How are you computing the value? |
I have plotted Pressure Drop per unit length against velocity (Values from CFD and not experiments) and then just fitted a quadratic trend line to get coefficients.
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This could just be a figment of your curve fit. The values don't make physical sense as negative, but should work out numerically. Just make sure to set up a report to make sure that the velocity/pressure drop line up with your expected curve.
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That is true. It did not give any errors numerically. Okay, I will have to check the pressure drop reports then.
Thanks a lot. |
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