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| #include "grid/multigrid1D.h"
#if EXPLICIT
# include "saint-venant.h"
#else
# include "saint-venant-implicit.h"
#endif
#define LEVEL 10
int main()
{
origin (-0.5);
init_grid (1 << LEVEL);
DT = 1e-1;
run();
}
event init (i = 0)
{
double a = 1., l2 = 200.;
foreach() {
h[] = a*exp(- l2*(x*x));
x -= -0.25;
zb[] = a*exp(- l2*(x*x));
h[] = max(h[] - zb[], 0.);
}
}
event logfile (i++) {
stats s = statsf (h);
if (i == 0)
fprintf (stderr, "t i h.min h.max h.sum dt\n");
fprintf (stderr, "%g %d %g %g %.8f %g\n", t, i, s.min, s.max, s.sum, dt);
assert (s.min >= 0.);
}
event outputfile (t <= 0.6; t += 0.6/8) {
static int nf = 0;
printf ("file: eta-%d\n", nf++);
foreach()
printf ("%g %g %g\n", x, h[], zb[]);
printf ("\n");
}
|