code_saturne User's Forum

I am definitly not an expert of Code Saturne, neither in linux authorization. Firstly, reading the setup.log, it seems that you did not defined all your boundaries :


Boundary: top
type: undefined
zone id: 4

Boundary: wall_e
type: undefined
zone id: 5

Boundary: wall_w
type: undefined ...

Dear all,

While using the humid atmospheric module, I noticed that if the meteo file wasn't provided, it is not possible to define humidity for inlet or inletOutlet :

I tried several things, including neumann, diriclet conditions, but not a single one worked.
Is it mandatory to provide meteo ...

Thank you very much, I had come to the same conclusion, z ground could be the problem but I had not debugged. Please, let me know then what could be the solution,
Best regards,

I am facing a new initialization problem with the atmospheric module:
For two days my simulations have failed, with a nan error on initialization:

Invalid (not-a-number) values detected for a field.

The errors seem to come from this step of the initialisation of the atmosphere :
L2 norm of F ...

Thank you very much ! Any form of help is welcome.

Yes indeed, I think I saw this difference, if i rember well, the former is computed rayso.f90 while the second one is computed in rayir.f90.

Is the direct radiation automatically directed downward ?

Hello Yvan,
Thank you for your support,
Unfortunately I don't have any errors, I'm just looking for advice / documentations / template cases / help. Anyway, just something to lead me to proper use of solar load but I'm stuck right now....

I am still wondering how to impose Solar Load with zenith angle, does anybody know how to do it ?

Otherwise I will be interested in the setup files,

Many thanks by advance,

Thank you very much for shedding some light on the third point. Indeed I was quiet confuse on an other case while using a drift scalar because i had an error with z_ground related to drift_tau. In order to fix it, I changed z_ground in c_use_physical_properties this way :

if (!strcmp(f->name, "z ...

I had no user files for this case, and as far as I remember, this issue has occured on cases with no user functions. Here is the RESU file compressed. By the way, how exactly does the wind profiles is generated ? If i have a building roof on my boundary, z_ground is 0 on it so the wind profile won't ...

Hi all,
I have used the atmospheric module for a few cases, and I have randomly some errors linked with the divergence of z_ground during the first time step.

It happens when I want an automatic idealized wind profile, but not on all meshes. I found once that my ground was higher than 0 in the z ...