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Old   June 24, 2007, 11:09
Default radial distribution function
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hosein
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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.
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Old   September 7, 2012, 02:10
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ravindra is on a distinguished road
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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