Dear reader,

We have recently updated to fluent 6.2.16 from 6.1.22, and my udf, although it ran before, no longer compiles (interpreted mode). I receive a syntax error on line 1, which is a comment line. If I take away this line a syntax error is reported on the DEFINE_PROFILE line (see code below). The udf.h is in the default folder, and my case . We run Fluent on a linux machine.

/* comment */ #include "udf.h" DEFINE_PROFILE(unsteady_velocity, thread, position) { face_t f; real t = CURRENT_TIME; real pi; pi=3.14159265358979; begin_f_loop(f, thread) {

F_PROFILE(f, thread, position) = .04*sin(2*pi*t); } end_f_loop(f, thread) }

I hope someone can help me, thanks in advance

Radboud

i tried your udf on my winxp flu 6.2.16 machine and it worked in interpreted mode. your problem must be somwhere else.

rom

thanks for trying, I appreciate the effort. A likely guess would be a problem with our upgrade, but if anyone has other ideas, I'd be interested in hearing them.

best regards

Radboud

Hi

I tried to interpret your code on Windows Fluent 6.1.22 and had no problems. I think the problem is not your UDF, but something wrong with the interpreter. Check the intepreting procedure in unix.

Regards,

Ale

do you need to use math.h for sin function?

Swarup