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Flow pass 2D square cylinder using LES-channel 395 question

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Old   May 30, 2016, 19:46
Question Flow pass 2D square cylinder using LES-channel 395 question
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Bashar
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Dear All,
I am currently working on simulation for 2D square cylinder with Re=50000. I am trying to use LES with WALE SGS. I used the setup in the case "channel 395" in tutorial to build my own case, unfortunately I have been using openFoam for 3 months only, so I have a question regarding the data in the "0" folder inside this case: are they related to the WALE model? i.e can I use different setup for the variables inside this folder like ( P,U,K,B,..etc) from another model like Smagorinsky? the reason for that is related to the nature of this tutorial,"channel 395", for example the variable "k" is filled with data like shown below:

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: splitCyclic |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object k;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

dimensions [ 0 2 -2 0 0 0 0 ];

internalField nonuniform List<scalar>
60000
(
0.000546979
0.000539726
0.000522268
0.000486501
0.00042352
0.000340779
0.000261349
0.000205418
0.000176593
0.000165225
0.000161396
0.00016139
0.000166469
0.000177507
0.000193931
0.000215604
0.000243705
0.000278988
.....

5.34299e-05
5.57113e-05
5.80269e-05
6.14485e-05
6.61096e-05
7.18528e-05
7.79562e-05
8.41191e-05
)
;

boundaryField
{
bottomWall
{
type fixedValue;
value uniform 0;
}
topWall
{
type fixedValue;
value uniform 0;
}
sides1_half0
{
type cyclic;
}
sides2_half0
{
type cyclic;
}
inout1_half0
{
type cyclic;
}
inout2_half0
{
type cyclic;
}
sides2_half1
{
type cyclic;
}
sides1_half1
{
type cyclic;
}
inout1_half1
{
type cyclic;
}
inout2_half1
{
type cyclic;
}
}


// ************************************************** *********************** //

Which I could not understand how to use my data in this file . and I saw that other LES tutorial is much easier to work with it when it come to the variables inside the "0" folder.

So sorry for this long questions , I hope some one have any advice.

Regards,

Bashar
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Old   January 8, 2021, 02:53
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Hi Bashar,

I am facing the same thing. How you resolved this issue? did you get the idea for obtaining these non-uniform internal fields?
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