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October 22, 2024 at 1:57 pm
Kinjal
Subscriber
#include “udf.h”
DEFINE_PROFILE(dynamic_heat_flux, thread, position)
{
int n = N_ITER; // Get the current iteration number
real q0 = 0.5e6; // Initial heat flux (W/m^2)
real q; // Heat flux at the current iteration
real chf = 3e6; // CHF value (W/m^2)
// Determine the heat flux based on the iteration number
if (n <= 500)
{
q = q0;
}
else
{
int i;
q = q0;
for (i = 500; i <= n; i += 300)
{
// Check if q approaches 75% of chf
if (q >= 0.75 * chf)
{
q += 0.1e6; // Increment by an additional 10% step
}
else
{
q += 0.5e6; // Increment the heat flux by 0.5e6
}
}
}
// Print the heat flux value after every 300 iterations
if (n % 300 == 0)
{
Message(“Iteration %d: Heat Flux = %g W/m^2\n”, n, q);
}
face_t f;
begin_f_loop(f, thread)
{
F_PROFILE(f, thread, position) = q; // Apply the heat flux
}
end_f_loop(f, thread)
}
this is how heat flux is applied