I'm trying to simulate the mot
I'm trying to simulate the motion of a single air bubble through a column of water.
When the simulation starts, the log file reads: MULES: Solving for gamma Liquid phase volume fraction = 0.0013888 Min(gamma) = 0 Max(gamma) = 1 MULES: Solving for gamma After about 0.8 seconds (with time-step size of approximately 0.0001, Max Co = 0.15): MULES: Solving for gamma Liquid phase volume fraction = 0.0013888 Min(gamma) = -2.7143954e-24 Max(gamma) = 0.9551684 MULES: Solving for gamma Why does the maximum gamma in the domain decrease to 0.95? Surely there are significant regions in the domain where only pure water is present. If I'm mistaken can someone explain what Max(gamma) represents. Thanks! |
Hi,
Did you plot the result
Hi,
Did you plot the results to check if the results are reasonable? Do you have surface tension turned on? pei |
Yup, results look reasonable.
Yup, results look reasonable. Surface tension is defined in transportProperties. How is it turned on?
|
Hi,
Any luck? If not, you
Hi,
Any luck? If not, you can send me your case. I will take a look at it when I have the spare time. pei |
Hi Pei,
I am running a slig
Hi Pei,
I am running a slightly different case with a very well refined mesh. Now Max(gamma) is at 0.99999993 which I believe is not a problem. However should it decrease to something like 0.9 or 0.95 I will package the case and email it to you. Thanks for your help. |
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