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-   -   UDS Species calculation is DIFFERENT! (http://www.cfd-online.com/Forums/fluent/45198-uds-species-calculation-different.html)

Davis June 28, 2007 11:44

UDS Species calculation is DIFFERENT!
 
Hi All,

I did some modeling with UDS for the species mass fraction because later I want to alter the convective flux part. But, before that I would like to check the validity of this calculation compared to direct species calculation (embedded in Fluent). I found big difference. Has anybody exprienced it before? I also noticed that the diffusvity coefficient in the UDS needs to be multiplied by rho to get the consistent unit.

Thanks.


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