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-   -   How to add the second gradient of UDS (http://www.cfd-online.com/Forums/fluent/32071-how-add-second-gradient-uds.html)

zhou September 3, 2003 12:26

How to add the second gradient of UDS
 
Hi,everybody How to add the second gradient of UDS(user defined scalar) into species equation as source terms. Thanks. I only find the macro in fluent to calculate the first gradient. By the way, is there any way to get the arrangment or distribution of cells in fluent? Thanks.

Ale September 4, 2003 05:32

Re: How to add the second gradient of UDS
 
I think you could try to assigne the value of the first gradient to a new UDS (for which you won't solve the transport equation), evaluate the first gradient of this UDS (i.e. the second one of your original UDS) and use it in the source term.

Let me know if you think it can work.

Regards,

Ale


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