Thank you so much for your interest, I appreciate it so much. Yes, it goes up. I attached the contour results in this chat. I want to make all of the three results to be different so I can evaluate the effect of surface tension in a water-gas mixture. .
In addition, the way before I run the calculation, I patched and smoothed volume fractions of both water and gas(methane) (don't know either that is necessary) then I initialized it. Also, for the method I used PISO, and the time steps is 1000 with a size of 1e-5. is there anything I missed?
Sincerely, Stefano P
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