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-   -   Quick tip to obtain negative convection (http://www.cfd-online.com/Forums/fluent/90098-quick-tip-obtain-negative-convection.html)

paillou June 30, 2011 10:33

Quick tip to obtain negative convection
 
Hello there !

In order to compute the residual lifetime of air (in a RANS steady-state case of ventilation efficiency), I need to reverse the velocity field (hence what can be called a negative convection).

I'm sure it's doable using UDFs but right know I export velocity data, reverse values under Excel then re-import it under Fluent.

My question is do you see a quicker way to do this in Fluent (no more Excel) or the only way out is to merge an UDF ?


Thanks in advance :)


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