1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
| // same as bump2D.c but with "inner" boundaries
#include "saint-venant.h"
int LEVEL = 8;
int main (int argc, char * argv[])
{
if (argc > 1)
LEVEL = atoi (argv[1]);
size (2.);
origin (-L0/2., -L0/2.);
init_grid (1 << LEVEL);
run();
}
bid inner;
event init (i = 0)
{
mask (fabs(x) > 0.5 || fabs(y) > 0.5 ? inner : none);
foreach()
h[] = 0.1 + 1.*exp(-200.*(x*x + y*y));
}
event logfile (i++) {
stats s = statsf (h);
fprintf (stderr, "%g %d %g %g %.8f\n", t, i, s.min, s.max, s.sum);
}
event outputfile (t <= 2.5; t += 2.5/8) {
static int nf = 0;
printf ("file: eta-%d\n", nf);
output_field ({eta}, linear = true);
scalar l[];
foreach()
l[] = level;
printf ("file: level-%d\n", nf++);
output_field ({l});
/* check symmetry */
foreach() {
double h0 = h[];
point = locate (-x, -y);
// printf ("%g %g %g %g %g\n", x, y, h0, h[], h0 - h[]);
assert (fabs(h0 - h[]) < 1e-12);
point = locate (-x, y);
assert (fabs(h0 - h[]) < 1e-12);
point = locate (x, -y);
assert (fabs(h0 - h[]) < 1e-12);
}
}
event adapt (i++) {
astats s = adapt_wavelet ({h}, (double[]){1e-3}, LEVEL);
fprintf (stderr, "# refined %d cells, coarsened %d cells\n", s.nf, s.nc);
}
|