|April 18, 2013, 04:35||
Modelling capillary forces using the VOF Model
Join Date: Apr 2013
Posts: 1Rep Power: 0
I am having trouble with the tutorial 'Chapter 20: Using the VOF Model'.
In principle my problem is almost identical to the presented one, I want to simulate a drop of water sitting on a plate with various wetting angles. I later want to go to more complex geometries but this is my test-case where I have experimental data for comparison.
I am modelling an 2D axysymmetrix domain that is 5x5 mm (that gives a 3D volume of a 10x5mm cylinder) and the drop is initiated as a half sphere with 3mm diameter. I set a wetting angle of 100° and should see how the drop is 'bending inwards' at the interface with time to reach an equilibrium eventually.
I am doing everything exactly the same as in the tutorial, up to the step where I have to specify the phase interactions (step 3). there I cannot select 'Surface Tension Force Modelling' and I also notice that the Tab 'Interfacial Area' is missing in my menue. I attached a picture from my Phase Interaction Window.
Any Idea what the reason could be?
I am using ANSYS 13.0
Thank you very much,
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