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| #include "hele-shaw.h"
#define MAXLEVEL 8
double mu1 = 2.5, mu2 = 1e-3, k = 0.1;
scalar f[];
scalar * tracers = {f};
p[left] = dirichlet(1e-3);
p[right] = dirichlet(0);
f[left] = 1.;
int main()
{
size (7.5e-2);
init_grid (1 << MAXLEVEL);
run();
}
event init (i = 0) {
foreach()
f[] = (x < 1e-3)*(1. - 1e-3*(1. + noise()));
}
event logfile (i++)
{
stats s = statsf (f);
fprintf (stderr, "%d %g %d %g %g %g\n",
i, t, mgp.i, s.sum, s.min, s.max);
}
event movies (t += 0.2)
{
output_ppm (f, min = 0, max = 1, file = "f.mp4");
output_ppm (u.y, file = "v.mp4");
scalar l[];
foreach()
l[] = level;
output_ppm (l, min = 0, max = MAXLEVEL, linear = false, file = "level.mp4");
}
event output (t += 10; t <= 50)
{
static int nf = 0;
printf ("file: field-%d\n", nf++);
output_field ({p,f,u}, stdout, N);
}
event coefficients (i++)
{
foreach_face() {
double ff = (f[] + f[-1])/2.;
beta.x[] = - k/(mu1 + clamp(ff,0,1)*(mu2 - mu1));
}
}
#if TREE
event adapt (i++) {
double tolerance = 0.02;
adapt_wavelet ({f}, &tolerance, MAXLEVEL);
event ("coefficients");
}
#endif
|
