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Search: Posts Made By: Cyp
Forum: OpenFOAM Programming & Development July 21, 2010, 03:18
Replies: 25
Views: 4,687
Posted By Cyp
Hi Stefan! It perfectly works !! Thank you...

Hi Stefan!

It perfectly works !! Thank you very much!
Forum: OpenFOAM Programming & Development July 20, 2010, 10:06
Replies: 25
Views: 4,687
Posted By Cyp
In fact, I found a very easiest way to proceed!! ...

In fact, I found a very easiest way to proceed!!

I just have to fix a value at a point (with setReference) which assure the convergence of my problem. Then I find out my real fields by subtracting...
Forum: OpenFOAM Programming & Development July 19, 2010, 08:30
Replies: 25
Views: 4,687
Posted By Cyp
Someone told me that I should directly insert my...

Someone told me that I should directly insert my problem into the matrix I want to solve. If I understand what it is suggested, I declare my problem as


fvScalarMatrix TEqn
(
...
Forum: OpenFOAM Programming & Development July 16, 2010, 05:44
Replies: 25
Views: 4,687
Posted By Cyp
Hi! In fact it is exactly what I do for the...

Hi!

In fact it is exactly what I do for the moment (subtract the average field value afterwards). But it only works with simple source terms. When I try this a more complicated source term, this...
Forum: OpenFOAM Programming & Development July 15, 2010, 12:21
Replies: 25
Views: 4,687
Posted By Cyp
Hi Herbert (and all of you of course!) I...

Hi Herbert (and all of you of course!)

I still looking for a solution to my problem (it is a very fundamental point in my developpment).

Do you think I can use the setValue (or...
Forum: OpenFOAM Programming & Development July 8, 2010, 11:49
Replies: 25
Views: 4,687
Posted By Cyp
can't you see the picture in my previous message...

can't you see the picture in my previous message ??


http://img5.imageshack.us/i/problemaaj.jpg/
Forum: OpenFOAM Programming & Development July 8, 2010, 09:31
Replies: 25
Views: 4,687
Posted By Cyp
I am a bit lost... Such a condition (to...

I am a bit lost...

Such a condition (to impose averaged field on a region equal to 0) is fundamental in my calculation.

Can anyone give me a hint ??
Forum: OpenFOAM Programming & Development July 6, 2010, 08:52
Replies: 25
Views: 4,687
Posted By Cyp
Here is the problem I want to solve with OpenFOAM...

Here is the problem I want to solve with OpenFOAM :

http://img5.imageshack.us/i/problemaaj.jpg/

It is the last condition ( <s_{gamma}>^{gamma}=0) I was talking about..

...
Forum: OpenFOAM Programming & Development July 6, 2010, 03:59
Replies: 25
Views: 4,687
Posted By Cyp
thank you for your answer ! The setValues...

thank you for your answer !

The setValues definition precises that the imposed values are field value. In my case, I need to imposed a value for the average of a field over the domain.

Do you...
Forum: OpenFOAM Programming & Development July 5, 2010, 08:57
Replies: 25
Views: 4,687
Posted By Cyp
I want to be sure that after my calculation, the...

I want to be sure that after my calculation, the implied condition is satisfied.

In Comsol I imposed a constraint ( moy(T)=0) on one point (it is sufficient). what is the equivalent on OpenFOAM ?
Forum: OpenFOAM Programming & Development July 5, 2010, 05:34
Replies: 25
Views: 4,687
Posted By Cyp
how to impose averaged field equal to 0 at a point during calculation ?

Hi!

In my subject, I need to solve equations with a condition of average-field-equal-to-zero.

I defined the average of the T field as :


T_moy=fvc::domainIntegrate(T) / V
where V is the...
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