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| // similar to hydrostatic.c but with a linear density profile
// (i.e. a quadratic pressure profile).
#include "navier-stokes/centered.h"
int main() {
origin (-0.5, -0.5);
init_grid (8);
DT = 1.;
TOLERANCE = 1e-6;
stokes = true;
run();
}
p[top] = dirichlet(0);
event init (i = 0) {
refine (level == 3 && sq(x) + sq(y) < sq(0.25));
const face vector g[] = {0,-1.};
a = g;
alpha = new face vector;
foreach_face()
alpha.x[] = 1./(0.51 - y);
}
event check (i = 1) {
output_cells (stdout);
#if 1
foreach()
fprintf (stderr, "%g %g %g %.6f %.6f\n", x, y, p[], u.x[], u.y[]);
#else
foreach_face(y)
fprintf (stderr, "%g %g %g\n", x, y, uf.y[]);
#endif
}
|
