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Inlet wind velosity Profile

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Old   August 7, 2017, 07:40
Default Inlet wind velosity Profile
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Sameera Lakmal
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i applied folowing UDF to get the inlet profile. but there is deferent in solidwork cfd and Fluent...in fluent velocity goes upward like this..can you give me a solution.
#include "udf.h"

DEFINE_PROFILE(inlet_x_velocity, thread, position)

{

real x[ND_ND];

real z; // Vertical Distance

face_t f;

begin_f_loop(f, thread)

{

F_CENTROID(x,f,thread);

z = x[2];

F_PROFILE(f, thread, position) = 3.5815 *log(z) +30.192;

}

end_f_loop(f, thread)

}


i think problem in my boundary condition not in the code.. please help me

https://drive.google.com/open?id=0B7...DBQc1VBeExjM0E

https://drive.google.com/open?id=0B7...GxzOUNGOGNLczg
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