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How interFoam tell which phase is wetting or non-wetting ?

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Old   October 13, 2014, 04:22
Default How interFoam tell which phase is wetting or non-wetting ?
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Dear all:

Maybe a stupid question.

In interFoam for a given geometry, when we set a case, we give two fluid properties and surface tension in transportProperties, but how interFoam know which fluid is wetting phase and which one is non-wetting phase? When I put surface tension as negative value, time step becomes much shorter and it runs quite slow.


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Old   October 13, 2014, 05:03
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I found it .It is the contact angle that determine which is wetting or non-wetting.
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