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Old   June 20, 2016, 06:07
Default volume fraction
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what is the reason of this bubbles in water/air volume fraction? as in first image, and in the second image unless the volume fraction 1 is water but itis color not red , it is color is orange.
thanks

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Old   June 20, 2016, 08:20
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I have no idea as you have not explained what you are doing.

But they look like rendering artefacts to me.
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Old   June 20, 2016, 16:17
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Originally Posted by ghorrocks View Post
I have no idea as you have not explained what you are doing.

But they look like rendering artefacts to me.
this is modeling of free surface flow, the first image at the location of velocity approach to zero, but the second one at location of high velocity. any way the color must be red because (VF= 1, Water)
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Old   June 20, 2016, 21:51
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They look like rendering artefacts to me.

So change the viewing angle and lighting and I suspect you can eliminate them.
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