FLUENT: tracer udf and example case


a udf is provided to add multiple tracers to a cfd solution, in the form of uds (user defined scalar). the tracers are efficiently reserved, named, and set each to a value of 1 at surfaces chosen by the user. this way, each uds can trace fluid coming from a specific location.

the udf was tested with a simple transient test case (included), using pressure based solver, and density based implicit solver, in serial and in parallel fluent 14.





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