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September 15, 2011, 10:01 |
Density of multi fluid simulation
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#1 |
New Member
Tobias
Join Date: Aug 2011
Posts: 5
Rep Power: 15 |
Hi,
I have a multi fluid simulation with CO2 and ideal air. Both fluids are mixed in the simulation. For a BOS experiment, I want to show the density gradient of the mixture. But I only have two density gradients, one of the CO2 and one of the air. How can I display the total density of both fluids? I mean the density gradient of the mixture. |
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September 15, 2011, 22:18 |
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#2 |
Senior Member
Bruno
Join Date: Mar 2009
Location: Brazil
Posts: 277
Rep Power: 21 |
Create a new variable that calculates the density of the mixture. Then create another varialble that's the grandient of the first variable. Both can be done at the 'Variables' tab on CFD-Post.
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September 16, 2011, 01:36 |
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#3 |
Member
D
Join Date: Nov 2010
Posts: 50
Rep Power: 16 |
@ Brunoc : Can you create a variable which is a gradient of any existing ( or new ) variable. I had searched for something like earlier, but didn't find it. Please let me know if you know the method.
-Dinesh |
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September 16, 2011, 08:23 |
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#4 |
Senior Member
Bruno
Join Date: Mar 2009
Location: Brazil
Posts: 277
Rep Power: 21 |
Hi Dinesh,
On the Variables tab inside CFD-Post, right-click anywhere to create a new variable. Set its method to 'Gradient' and choose the variable of which you want to know the gradient. That's it. Cheers. |
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September 18, 2011, 05:16 |
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#5 |
New Member
Tobias
Join Date: Aug 2011
Posts: 5
Rep Power: 15 |
Thank you for your answer!
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