UDS questions
Hi, 1) I would like to know when UDS is solved at what positions scalar is solved is it after k and epsilon equation or before k and epsilon equation. 2) I wrote an UDS and it was not working fine it generally gives me values less than 0 and more than 1. When I browsed in this site I cam to know when scalar values are less than 0 then it should be set 0 and more than 1 value should be set to 1. Is this correct what I am doing?
3)When I used this setting discussed above Everything seems to be okay but the problem is URF in that case should not be more than 0.1 and if I use URF to be more than 0.1 then fluent gives me very big numbers e+20 something like that. So the problem is that simulation is very slow with URF is there any solution to this problem. Thanks in advance Z |
Re: UDS questions
1) Go to Control -> Solution -> Multigrid and increase the verbosity parameter.
2) What do you mean with less than 0 and more than 1? It depends on the problem you're solving. When you implement a UDS equation in FLUENT you should write it in its dimensional form. So the values of the variable are not bounded in the standard range [0; 1]. Best regards, ap |
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