error in compiling udf
 

hello everyone...
i wrote my udf for real gas model... while compiling i got error message like this,,
1 file(s) copied.
(system "copy C:\Fluent.Inc\fluent6.3.26\src\makefile_nt.udf libudf\ntx86\2d\makefile")
1 file(s) copied.
(chdir "libudf")()
(chdir "ntx86\2d")()
'nmake' is not recognized as an internal or external command,
operable program or batch file.
'nmake' is not recognized as an internal or external command,
operable program or batch file.

Done.
"e:/sugu/vt/2d cases/gambit files/mesh files"

Opening library "libudf"...
Error: open_udf_library: The system cannot find the file specified.

Error Object: ()
this udf file is just example given in fluent manual only... still i m getting probs....
please help me...

This question is very frequently asked.
Most likely the problem is that you don't have a compiler installed on your machine or if you do, then Ansys is not configured to work with it.

hello dmoroian....
Thanks for reply..
bt i had installed Visual c++ 2005 Express version..
thing is its working in Linux system....
thanks..

Search the forum for similar posts or check this wiki article:
http://www.cfd-online.com/Wiki/Fluen...at_is_wrong.3F

Thanks dmoroian sir....
i ll check out those things.....

error after load the udf
 

hello everyone....
now the udf is compiling and loading without error...
but while running the simulation at the bigining itself giving error, says
Absolute pressure Limited to 1.0000e+00
Error:> (Greater-than) : invalid argument [2] : wrong type [not a number]
Error object : nan
what i means.. where should i correct..

thanks
sugu