[KITetima]

Hi everybody,


When I compiling UDFs, I can build "libudf", but I can't load it. So could anyone can help me or to explain why?

Opening library "c:\users\gxu2\desktop\vof\libudf"...
Error: The UDF library you are trying to load (libudf) is not compiled for 2d on the curent platform (ntx86).

I have put the file "vitesse.c" in the libudf file.

And here is my UDF macro :

/************************************************** *********************
vprofile.c
UDF for specifying steady-state velocity profile boundary condition
************************************************** **********************/
#include "udf.h"

DEFINE_PROFILE(x_velocity, thread, position)
{
real x[ND_ND]; /* this will hold the position vector */
real y;
face_t f;

begin_f_loop(f, thread)
{
F_CENTROID(x,f,thread);
y = x[1];
F_PROFILE(f, thread, position) = 5;
}
end_f_loop(f, thread)
}


Thank you very much!

[tranvantrung551987]

do you meet error in the fluent ?

[KITetima]

Yes actually, I have tried with just "interpreting " and as select my UDF for the moving wall I got the error
"ERROR : incorrect grid motiom UDF x-velocity on zone 7"

and I don´t know what it means

[tranvantrung551987]

can I see your udf ?

[KITetima]

For the moment I just want to try to have a constant velocity on the moving wall. I want to test af first my model. So here is my UDF

/************************************************** *********************
vprofile.c
UDF for specifying steady-state velocity profile boundary condition
************************************************** **********************/
#include "udf.h"

DEFINE_PROFILE(x_velocity, thread, position)
{
real x[ND_ND]; /* this will hold the position vector */
real y;
face_t f;

begin_f_loop(f, thread)
{
F_CENTROID(x,f,thread);
y = x[1];
F_PROFILE(f, thread, position) = 5;
}
end_f_loop(f, thread)
}

[tranvantrung551987]

your udf report velocity but i don't see to report it. your udf report presssure. Do you use complied or interpret ?

[KITetima]

I interpret my UDF.

[tranvantrung551987]

I have check your udf. it is correct. after you interpret , you go to boundary condition to report udf.

[KITetima]

Thank you for your answer. and thank you for checking my UDF.

After I interpret, I go to boundary condition.
Then I select my moving wall. Should I select moving wall in Momentum ?
after if I want to report the udf it is not possible. I can go to profile and then I can t even read my UDF profile.

I can only load and find my UDF in the dynamic mesh (dynamic Mesh zone) but after I have got a fatal error.

[tranvantrung551987]

if you report wall moving, you can't do as a such. to report wall moving, you have to use dynamic mesh and use complied.
- download SDK command prompt
- start fluent by sdk.
- then complied udf

[KITetima]

I actually have no admin right to try that immediatly and download Visual Studio, but thank you very much for your answer. I would let you know if it is working.

[tranvantrung551987]

you can download free in the internet

[KITetima]

Hello,

I have download the software following this way ;

Starting FLUENT using the SDK 7.0 Command Prompt Window
1. Open up the SDK Command Window. This is required as this will set the compiler
environment variables.
2. Choose the Start Menu > All Programs > Microsoft Windows SDK v7.0 > CMD
3. Launch FLUENT 14.5 from this window. (and chose 2D configuration)

I add my working directory (directory where my .c file reside) and then I launch Fluent.

I try then to compile my UDF (define/userdefine/functions/compiles/add and then load)

and I got this error-message :

>
Opening library "C:\Users\...ex_files\dp0\FFF\Fluent\libudf\ntx86\ 2d\libudf"
Error : The UDF library you are trying to load (libudf) is not compiled for 2d on the current plattform (Win64)

+
I have a nmake error
+
The system can t find the data.




Do you have any idea where does it come from?