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Hi, I am currently doing an analysis on UV water treatment. I want to calculate the UV dose travelling through a UV chamber.

I downloaded a UDF from this website: http://www.sandia.gov/cfd-water/uvdi...tion.htm#tools and tried to load it in Ansys fluent using the instructions provided.

I tried using both the UDF for parallel and serial, but it always comes up with an error.

I got this error message:

Opening library "D:\University\FYP\Ansys tutorials\Current coding project\try_ok_files\dp0\FLU\Fluent\D:\University\ FYP\Ansys tutorials\Current coding project\try_ok_files\dp0\FLU\Fluent\libudf"...
Error: The UDF library you are trying to load (D:\University\FYP\Ansys tutorials\Current coding project ry_ok_files\dp0\FLU\Fluent\libudf) is not compiled for 3ddp on the current platform (win64).

The system cannot find the path specified.

D:\University\FYP\Ansys tutorials\Current coding project ry_ok_files\dp0\FLU\Fluent\D:\University\FYP\Ansys tutorials\Current coding project ry_ok_files\dp0\FLU\Fluent\libudf\win64\3ddp\libud f.dll
Error Object: #f

Is it possible that someone can give me suggestions on what I am doing wrongly?

I am currently using ansys Fluent 14.5 on windows 8 64bit.

I read on the forums that I need an SDK 7.1 to do the compilation. Is that related to my current problem? Where can I download it?

I just installed Microsoft .NET Framework 4.5 SDK is it the same as SDK 7.1?