Learning Forum

[sooraj546]

Is it possible to add a temp varying wrt to time as external radiation temperature box shown below, if so kindly help me out with how to do it ?

 

[DrAmine]

Yes: either profile file or profile UDF or expression.

[sooraj546]

But there in the drop down section of external radiation temperature box as shown above .................. there there is no option called user defined for attaching the define profile udf .................... etc......... 

thanks a lot for replying

[DrAmine]

Just load a profile udf and you will see that.

[sooraj546]

thanks a lot sir it worked .....well

 

 

[sooraj546]

This was my code:

DEFINE_PROFILE(temp_time, t, i)

{

face_t f;

Domain *domain;

real T;

int boundaryID=5; /*wall ID*/

real the_current_time;

the_current_time = CURRENT_TIME;

 

thread_loop_f(t,domain)

{

if (THREAD_ID(t)==boundaryID)

{

begin_f_loop(f,t)

{

if (the_current_time<100)

{

T=1200;

}

else if (the_current_time>=100)

{

T=1473;

}

}

end_f_loop(f,t)

}

}

}

its showing 

MPI Application rank 0 exited before MPI_Finalize() with status 1

[DrAmine]

I do not comment on UDF anymore: but why looping over all threads again when you are already in the right thread?. Check the manual it contains a lot of example for DEFINE_PROFILE. You can use Fluent Expression for this simple thing.