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-   -   radial distribution function (http://www.cfd-online.com/Forums/fluent/45145-radial-distribution-function.html)

hosein June 24, 2007 11:09

radial distribution function
 
Hi feind, I have a problem for creacting of Gidaspow radial distribution function as UDF, because this experssion does not exist in fluent 6.2.16 default. If it is possible, please guide me for Creating of this UDF. this function is identifyed as: g=3/5*[1-(solid volume fraction/max solid voule fraction)^-1]^(1/3) (fluidized bed field) thanks.

ravindra September 7, 2012 02:10

hey friend..
i hope u must have written the udf about radial distribution function .....i hv to write the same udf......i hv written it but it does not work .....
#include "udf.h"

DEFINE_PROPERTY(cell_radial,c,t)
{
real rad_dis;
real a_a;

a_a=1-pow(((1.-C_VOF(c,t))/0.63),(1/3));
rad_dis=(3/5)*pow(a_a,-1);

return rad_dis;
}

waiting for ur reply ....


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