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Search took 0.00 seconds. Search: Posts Made By: Mehrez
Forum: OpenFOAM December 17, 2012, 10:46
Replies: 41
Views: 7,287
Posted By Mehrez
Thank you elvis

Thank you elvis
Forum: OpenFOAM November 19, 2012, 18:38
Replies: 41
Views: 7,287
Posted By Mehrez
Dear Hisham, Thank you for your help. ...

Dear Hisham,

Thank you for your help.

In pimpleFoam there are 2 files to implement my equation : UEqn.H and pEqn.H , so it is different from icoFoam where I had one file to implement the...
Forum: OpenFOAM November 19, 2012, 10:04
Replies: 41
Views: 7,287
Posted By Mehrez
Hi Hisham, I've found the following text on...

Hi Hisham,

I've found the following text on the OpenFoam tutorial :

" When specifying a time scheme it must be noted that an application designed for transient problems will not necessarily run...
Forum: OpenFOAM November 19, 2012, 05:16
Replies: 41
Views: 7,287
Posted By Mehrez
Dear Hisham, If you look just a little above...

Dear Hisham,

If you look just a little above you will see that I tried to multiply the terms of my equation with coefficients of different dimensions to get a dimensionless form of my equation but...
Forum: OpenFOAM November 19, 2012, 04:36
Replies: 41
Views: 7,287
Posted By Mehrez
Dear both, It seems that it is working ! ...

Dear both,

It seems that it is working !

Thank you for your precious help.

I hope that this discussion will help other beginners.

Thank you.
Forum: OpenFOAM November 16, 2012, 12:24
Replies: 41
Views: 7,287
Posted By Mehrez
Any idea ? does someone know how to ignore the...

Any idea ? does someone know how to ignore the dimension-checking in the "controlDict" file ?

I'm stuck...
Forum: OpenFOAM November 16, 2012, 12:10
Replies: 41
Views: 7,287
Posted By Mehrez
Even if I do this, it doesn't work : 0/p ...

Even if I do this, it doesn't work :

0/p
dimensions [0 -1 0 0 0 0 0];

0/U
dimensions [0 0 0 0 0 0 0];

transportProperties
Re Re [ 0 -1 0 0 0 0 0 ] 0.01;
Forum: OpenFOAM November 16, 2012, 12:04
Replies: 41
Views: 7,287
Posted By Mehrez
Dear Tobi, Here is what I got by setting...

Dear Tobi,

Here is what I got by setting pGrad pGrad [0 -1 0 0 0 0 0]
Forum: OpenFOAM November 16, 2012, 12:01
Replies: 41
Views: 7,287
Posted By Mehrez
dimensions [0 0 0 0 0 0 0]; This line...

dimensions [0 0 0 0 0 0 0];

This line represent the dimension of U and p. I have this line in the 2 files cavity/0/p and cavity/0/U
Forum: OpenFOAM November 16, 2012, 11:56
Replies: 41
Views: 7,287
Posted By Mehrez
Re Re [ 0 0 0 0 0 0 0 ] 0.01; ...

Re Re [ 0 0 0 0 0 0 0 ] 0.01;
gradP gradP [ 0 0 0 0 0 0 0 ] (0.9 0.2 0);
U : dimensions [0 0 0 0 0 0 0];
p : dimensions [0 0 0 0 0 0 0];

In the blockMeshDict, I...
Forum: OpenFOAM November 16, 2012, 11:43
Replies: 41
Views: 7,287
Posted By Mehrez
Hi guys, Again thanks for your precious...

Hi guys,

Again thanks for your precious help.

@ Bernhard : I have found the file " controlDict " , can you please precise me how to proceed.

@ Tobi : I've tried what you said but it doesn't...
Forum: OpenFOAM November 16, 2012, 10:52
Replies: 41
Views: 7,287
Posted By Mehrez
Dear Bernhard, I'm sure that I have a right...

Dear Bernhard,

I'm sure that I have a right equation (attached here)

Thank you very much for your help. Actually I can compile my solver with your corrections.

fvVectorMatrix UEqn
...
Forum: OpenFOAM November 16, 2012, 07:15
Replies: 41
Views: 7,287
Posted By Mehrez
I think that it is more clear like this ...

I think that it is more clear like this

Equation : Re . (U . div) U + gradP - laplacian(U) = - grad(fluctP)

OF syntax :

fvVectorMatrix UEqn
(
fvm::ddt(U)
...
Forum: OpenFOAM November 16, 2012, 07:06
Replies: 41
Views: 7,287
Posted By Mehrez
Hi Tobi As you can see in my equation gradP...

Hi Tobi

As you can see in my equation gradP is the gradient of the nondimensionalized mean pressure. I have it like an input (I will study my flow in function of given values of Re and gradP)

I...
Forum: OpenFOAM November 16, 2012, 06:58
Replies: 41
Views: 7,287
Posted By Mehrez
Hi Hisham Thank you for your answer. I...

Hi Hisham

Thank you for your answer.

I think that I don't have to declare " gradP " like this :

volVectorField gradP ( IOobject ( "gradP", ...
Forum: OpenFOAM November 16, 2012, 06:43
Replies: 41
Views: 7,287
Posted By Mehrez
Hi guys Thank you for your help. I...

Hi guys

Thank you for your help.

I think that it is better if you take a look to my equation (which I have attached in my first message). You can see that I don't have : nu . laplacian (U) but...
Forum: OpenFOAM November 16, 2012, 04:49
Replies: 41
Views: 7,287
Posted By Mehrez
please find attached the OpenFoam files of the...

please find attached the OpenFoam files of the solver (I have proceeded by modifying the IcoFoam solver to myIcoFoamB solver).
Forum: OpenFOAM November 16, 2012, 04:01
Replies: 41
Views: 7,287
Posted By Mehrez
Hi Can someone help me please. Thank...

Hi

Can someone help me please.

Thank you
Forum: OpenFOAM November 15, 2012, 10:52
Replies: 41
Views: 7,287
Posted By Mehrez
Question Creating a solver for the nondimensionalized Navier-Stokes equation

Hi everyone,

I have recently started using OpenFoam.
I want to resolve the nondimensionalized Navier-Stakes equation (in which appears the Reynolds number).

My equation is ( you can also find...
Showing results 1 to 19 of 19

 
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