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Forum: Fluent UDF and Scheme Programming

May 4, 2009, 10:11

Replies: 25

[UDF] Relative coordinates in logarithmic velocity profile

Views: 11,500

Posted By cfdworker

Hello. I found a alternative way to define the...

Hello.
I found a alternative way to define the velocity profile for my problem.
What I did was, first write out a profile file at the inlet boundary, then obtain a profile file, which contains...

Forum: Fluent UDF and Scheme Programming

April 30, 2009, 15:54

Replies: 25

[UDF] Relative coordinates in logarithmic velocity profile

Views: 11,500

Posted By cfdworker

Hello. I did what you said. I replace C_WALL_DIST...

Hello. I did what you said. I replace C_WALL_DIST for C_CENTROID, but still gives the same error.

Forum: Fluent UDF and Scheme Programming

April 29, 2009, 11:12

Replies: 25

[UDF] Relative coordinates in logarithmic velocity profile

Views: 11,500

Posted By cfdworker

I already did what you said, but even so it gives...

I already did what you said, but even so it gives the same error message.

Thanks for the replys.

Forum: Fluent UDF and Scheme Programming

April 29, 2009, 09:59

Replies: 25

[UDF] Relative coordinates in logarithmic velocity profile

Views: 11,500

Posted By cfdworker

My case is turbulent. I think that the fluent...

My case is turbulent. I think that the fluent recognizes the macro, i think that the problem is in using macro for cells in a boundary condition that is imposed in a face. I do not know if this is...

Forum: Fluent UDF and Scheme Programming

April 29, 2009, 09:14

Replies: 25

[UDF] Relative coordinates in logarithmic velocity profile

Views: 11,500

Posted By cfdworker

hello, thanks for the reply. I used your udf, but...

hello, thanks for the reply. I used your udf, but still gives the same error message, when I do init to start iterate.

Error:
FLUENT received fatal signal (ACCESS_VIOLATION)
1. Note exact...

Forum: Fluent UDF and Scheme Programming

April 27, 2009, 20:38

Replies: 25

[UDF] Relative coordinates in logarithmic velocity profile

Views: 11,500

Posted By cfdworker

I tried to make another udf, as shown: ...

I tried to make another udf, as shown:

#include "udf.h"

DEFINE_PROFILE(inlet_x_velocity, thread, position)
{
cell_t c;

begin_c_loop(c, thread)

Forum: Fluent UDF and Scheme Programming

April 27, 2009, 10:25

Replies: 25

[UDF] Relative coordinates in logarithmic velocity profile

Views: 11,500

Posted By cfdworker

Someone can help me. Please I need someone who is...

Someone can help me. Please I need someone who is patient to help me with this problem.

Thanks.

Forum: Fluent UDF and Scheme Programming

April 23, 2009, 17:20

Replies: 25

[UDF] Relative coordinates in logarithmic velocity profile

Views: 11,500

Posted By cfdworker

Hi, thanks for the reply. I tried to use the...

Hi, thanks for the reply. I tried to use the C_WALL_DIST(c,thread) macro like this:

#include "udf.h"

DEFINE_PROFILE(log_velocity,thread,index)
{
real z;
face_t f;
cell_t c;

Forum: Fluent UDF and Scheme Programming

April 19, 2009, 12:31

Replies: 25

[UDF] Relative coordinates in logarithmic velocity profile

Views: 11,500

Posted By cfdworker

[UDF] Relative coordinates in logarithmic velocity profile

Hello, I have a problem with the definition of a boundary condition with UDF to simulation of the wind in a terrain. I have to define a velocity inlet in a 3d domain; this condition is a logarithmic...

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