# Is it possible to simulate fluid between to surfaces?

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 November 11, 2013, 05:54 Is it possible to simulate fluid between to surfaces? #1 New Member   A Join Date: Nov 2013 Posts: 3 Rep Power: 6 Hi, sorry for my bad english. I'm doing a school project and I have never worked with cfd before. My question is if it is possible to simulate fluids between two metal surfaces? I'm simply keeping one side wet and I'm interested in seeing how long it takes before the other side is wet too. The time should depend on the surface and the pressure between the surfaces. The fluid I'm using has a very low viscosity. Our school is currently using Autodesk CFD 2014. Thank you in advance Last edited by pingpong; December 1, 2013 at 19:07.

 November 12, 2013, 05:36 #2 New Member   A Join Date: Nov 2013 Posts: 3 Rep Power: 6 I would be very thankful if somebody could help me :/

 November 12, 2013, 10:26 #3 Senior Member     Join Date: Jan 2011 Posts: 248 Blog Entries: 5 Rep Power: 10 I am not a specialist in this kind of problem, but isint it easier to solve this problem analytically or semi-analytically without cfd? Will you have something like a Hele-Shaw flow between the plates?

November 12, 2013, 14:28
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 Originally Posted by truffaldino I am not a specialist in this kind of problem, but isint it easier to solve this problem analytically or semi-analytically without cfd? Will you have something like a Hele-Shaw flow between the plates?
Thanks, maybe thats the exakt thing I was looking for!

 November 13, 2013, 00:30 #5 Senior Member     Join Date: Jan 2011 Posts: 248 Blog Entries: 5 Rep Power: 10 Also look for "free boundary" or "moving boundary" Hele-Shaw flow or Hele-Shaw cell. Everything in this problem is reduced to the dynamic of the boundary only: In your case it could be enough to determine constant in the Darcy law and then get speed of the boundary and time you are looking for.

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