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Old   October 20, 2013, 13:59
Default Microfluidics
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BHUVANESH is on a distinguished road
Hi all,
when i tried to incorporate fully developed flow in fluent under laminar conditions, i got an example like this... can somebody help how to use for my problem of 400 * 4000 (dia*length) of a microchannel.. Waiting for an valid reason..

#include "udf.h"

DEFINE_PROFILE(inlet_x_velocity, thread, position)

real x[ND_ND]; /* this will hold the position vector */
real y, h;
face_t f;

h = 0.016; /* inlet height in m */

F_CENTROID(x, f, thread);
y = 2.*(x[1]-0.5*h)/h; /* non-dimensional y coordinate */
F_PROFILE(f, thread, position) = 0.1*(1.0-y*y);
end_f_loop(f, thread)

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