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May 8, 2011, 15:49 |
Accretion module use ?
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#1 |
Member
Charles
Join Date: May 2011
Location: France
Posts: 77
Rep Power: 15 |
Hi,
I'm trying to plot the liquid water droplet accumulation on an airfoil. To begin with the module I'm trying a simple case with a square but all I can get is some water landing on the down edge of the domain, just near the velocity inlet edge. Did anyh of you guys already used the accretion on Fluent ? I'm pretty lost because there are very few resources about that over the Internet. Basically there's just the Fluent help but it's not very practical to use. From what I've understand I have to - Mesh the geometry using Gambit - Import normally into Fluent, then use Models--Discrete Phase Model and check "Interaction with continuous Phase", then in the Physical Model check Erosion/Accretion, Droplet Collision and Droplet Breakup. - Then I use "Injection" and set a group of 50 particle streams of Liquid Water at the velocity of 30m/s. - Then I check "Solidification/Melting" and I iterate but I don't have much success... What did I missed ? The thing I'm looking for is an accretion of water in the low velocity zone (so basically in the center of my square.....) Any idea ? Thanks, Charles |
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May 9, 2011, 03:28 |
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#2 |
Member
Charles
Join Date: May 2011
Location: France
Posts: 77
Rep Power: 15 |
Okay apparently I also had to choose the "Coupled" solver. Still, even with inserting some different kind of Injections, no success...
And the iterations are stopping after like 100 iterations, the console tell me that there is a float problem and I see the residus growing very fast. |
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May 9, 2011, 12:11 |
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#3 |
Member
Charles
Join Date: May 2011
Location: France
Posts: 77
Rep Power: 15 |
Guys, anything ?
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