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Search: Posts Made By: visitor
Forum: Fluent UDF and Scheme Programming March 5, 2015, 00:19
Replies: 70
Views: 7,048
Posted By visitor
Dear Pakk Just to let you know that I am...

Dear Pakk

Just to let you know that I am not ignoring your message. We are approaching end of year exams, difficult to find a computer. Just managed half and hour access this week.

Regards.
Forum: Fluent UDF and Scheme Programming February 26, 2015, 05:05
Replies: 70
Views: 7,048
Posted By visitor
Dear Pakk Thanks for your prompt response. ...

Dear Pakk

Thanks for your prompt response.

Yes your interpretation is correct.

Accept that from what I understand that DEFINE_EXECUTE_AT_END(exec_at_end)
actually reads information at...
Forum: Fluent UDF and Scheme Programming February 26, 2015, 03:46
Replies: 70
Views: 7,048
Posted By visitor
Dear Pakk Two back steps taken. ...

Dear Pakk

Two back steps taken.

First part of code should enter the fluid body and picks up the mass fraction of co2.

Second part is a loop which loops around the value of i. If i is =>...
Forum: Fluent UDF and Scheme Programming February 26, 2015, 02:00
Replies: 70
Views: 7,048
Posted By visitor
Dear Pakk Thanks, yes I have no background...

Dear Pakk

Thanks, yes I have no background in c, mainly CFD. With the changes made the pending errors are "parse error" at lines 16 and 18.

Thanks.
-------

#include "udf.h"...
Forum: Fluent UDF and Scheme Programming February 25, 2015, 06:22
Replies: 70
Views: 7,048
Posted By visitor
Thanks Pakk Just to get rid of the error...

Thanks Pakk

Just to get rid of the error message I had regarding the undeclared variable, changed th to t, and declared t is a char.

The error message now is line 13 undeclared variable. But...
Forum: Fluent UDF and Scheme Programming February 25, 2015, 01:19
Replies: 70
Views: 7,048
Posted By visitor
Dear Pakk Thank you for your suggestion. ...

Dear Pakk

Thank you for your suggestion.

Tried by declaring as follows;
float Material; and then the same for the rest, didn't work.

Thanks
Forum: Fluent UDF and Scheme Programming February 21, 2015, 00:41
Replies: 70
Views: 7,048
Posted By visitor
Still waiting for a compiler, was informed by ITs...

Still waiting for a compiler, was informed by ITs that a compiler will be installed on netwrok by next academic year!

Have tried another go using Interpreter, got this message "undecleared...
Forum: Fluent UDF and Scheme Programming January 6, 2015, 03:42
Replies: 70
Views: 7,048
Posted By visitor
Dear Mcfly It sounds like there is a...

Dear Mcfly

It sounds like there is a misunderstanding. I did say I am waiting for a compiler before I start work on it.

Thanks anyway for your help. Will work on it once I get a compiler and...
Forum: Fluent UDF and Scheme Programming January 5, 2015, 04:31
Replies: 70
Views: 7,048
Posted By visitor
Dear Macfly Thanks for your help, you are...

Dear Macfly

Thanks for your help, you are helpful.

Didn't get the compiler yet, still waiting to start work on it.

Meanwhile understood the begin/end_c_loop. But not the rest, where to...
Forum: Fluent UDF and Scheme Programming January 4, 2015, 02:14
Replies: 70
Views: 7,048
Posted By visitor
Dear Macfly Thank you for your reply. ...

Dear Macfly

Thank you for your reply.

Aim is to read CO2 content (a mass fraction figure) in the fluid volume, and then apply a condition.

That is if CO2 is > 7e-4, then apply a profile...
Forum: Fluent UDF and Scheme Programming December 29, 2014, 23:29
Replies: 70
Views: 7,048
Posted By visitor
Modified as shown below, replaced ico2 with i....

Modified as shown below, replaced ico2 with i. Still waiting for a complier to be installed by technicians. Will try it out once compiled, and share outcome.

Thanks, regards .....
Forum: Fluent UDF and Scheme Programming December 17, 2014, 00:40
Replies: 70
Views: 7,048
Posted By visitor
Thanks for your responses. Did not...

Thanks for your responses.

Did not understand "You probably need to include threads.h for it to work".

Do I need to replace the t with h? In ;
Material *m = THREAD_MATERIAL(t);

Haven't...
Forum: Fluent UDF and Scheme Programming December 16, 2014, 08:09
Replies: 70
Views: 7,048
Posted By visitor
Slight change in topic

Dear sirs/madams:

Similar work, in UDFs.

Trying to ready CO2 content in model and then activate a boundary layer. This is in simple words. A Co2 sensor, once level exceeds a fixed figure, a...
Forum: Fluent UDF and Scheme Programming December 10, 2014, 07:32
Replies: 70
Views: 7,048
Posted By visitor
This looks good and useful. One question,...

This looks good and useful.

One question, if I was to monitor CO2 content rather than temperature (for an example), what changes are required?

Thanks in advance for; posting this helpful...
Forum: Fluent UDF and Scheme Programming November 24, 2014, 02:20
Replies: 70
Views: 7,048
Posted By visitor
The UDF worked fine for me. As you have...

The UDF worked fine for me.

As you have mentioned; Interpret then from your boundary condition eg inlet or what ever, select in the field (where it usually says constant) pressure_profile.
...
Forum: Fluent UDF and Scheme Programming October 15, 2014, 07:55
Replies: 70
Views: 7,048
Posted By visitor
Thank you for your reply Ghost82 There is a...

Thank you for your reply Ghost82

There is a sketch attached in entry #8 above dated 15 Sept.

Basically one of the inlets shown in the sketch need to act as a one way airflow.

If pressure in...
Forum: Fluent UDF and Scheme Programming October 15, 2014, 07:50
Replies: 70
Views: 7,048
Posted By visitor
Thank you for your reply Ghost82 There is a...

Thank you for your reply Ghost82

There is a sketch attached in entry #8 above dated 15 Sept.

Basically one of the inlets shown in the sketch need to act as a one way airflow.

If pressure in...
Forum: Fluent UDF and Scheme Programming October 14, 2014, 08:21
Replies: 70
Views: 7,048
Posted By visitor
Dear Mac Thanks. Added: - real...

Dear Mac

Thanks.
Added: -

real pressure;
face_t f;

Hope it will work when I get to the uni computer lab.
Regards.
Forum: Fluent UDF and Scheme Programming October 13, 2014, 06:57
Replies: 70
Views: 7,048
Posted By visitor
Dear Sirs/Madams: Thanks again. In a...

Dear Sirs/Madams:

Thanks again.

In a large body of fluid, as an example in the sketch I have uploaded in previous postings. Pressure can slightly vary in the enclosed body of fluid, depending...
Forum: Fluent UDF and Scheme Programming October 13, 2014, 06:09
Replies: 70
Views: 7,048
Posted By visitor
Dear Pakk Thank you for your reply. 1-...

Dear Pakk

Thank you for your reply.

1- Deleted C_P(c,t).
2- Replaced th with t.
3- Regarding where to specify the cell number? Anywhere as long as the specific cell number is read in the body...
Forum: Fluent UDF and Scheme Programming October 13, 2014, 04:13
Replies: 70
Views: 7,048
Posted By visitor
Dear sirs/madams: I have made an attempt to...

Dear sirs/madams:

I have made an attempt to write a C udf to loop over a cell face. With a condition if the pressure falls bellow zero, 1 will be the value for the boundary inlet. Else if, the...
Forum: Fluent UDF and Scheme Programming September 16, 2014, 06:14
Replies: 70
Views: 7,048
Posted By visitor
Dear Pakk Thank you for your advise. It...

Dear Pakk

Thank you for your advise.

It is perfectly normal to ask a question. We are on this site from different levels of experience and are here to share our experience.

Yes, I have been...
Forum: Fluent UDF and Scheme Programming September 15, 2014, 04:21
Replies: 70
Views: 7,048
Posted By visitor
problem description sketch

Dear Macfly

thank you for your reply.

I am not familiar with C language. Also, just started learning CFD.

Have attached a problem description, and would appreciate if a procedure is entered...
Forum: Fluent UDF and Scheme Programming September 11, 2014, 06:23
Replies: 70
Views: 7,048
Posted By visitor
A C routine for a non return valve

Dear friends:

On similar lines to what is shown below. I have now another boundary condition. An inlet which needs to allow air to flow into the container, when there is a pressure drop below zero...
Forum: Fluent UDF and Scheme Programming April 29, 2014, 04:49
Replies: 70
Views: 7,048
Posted By visitor
Capturing the result of varying outlet boundary condition

Dear Mac

Thank you for your help, also went through the manuals just like you have mentioned. Now I have run the model.

Now that I have this varying inlet condition. The resulting outlet...
Showing results 1 to 25 of 27

 
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