Rheolef  7.2
an efficient C++ finite element environment
zalesak_show.cc
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1 #include "rheolef.h"
22 using namespace rheolef;
23 using namespace std;
24 #include "zalesak.h"
25 int main(int argc, char**argv) {
26  environment rheolef (argc, argv);
27  geo omega (argv[1]);
28  string approx = (argc > 2) ? argv[2] : "P1d";
29  size_t n_max = (argc > 3) ? atoi(argv[3]) : 24;
30  space Xh (omega, approx);
31  Float tf = 4*acos(Float(-1)), delta_t = tf/n_max;
32  branch event ("t","phi");
33  for (size_t n = 0; n <= n_max; n++) {
34  Float t = n*delta_t;
35  field pi_h_phi = lazy_interpolate (Xh, phi_exact(t));
36  dout << event (t, pi_h_phi);
37  }
38 }
see the Float page for the full documentation
see the branch page for the full documentation
see the field page for the full documentation
see the geo page for the full documentation
see the environment page for the full documentation
Definition: environment.h:121
rheolef::space_base_rep< T, M > t
double Float
see the Float page for the full documentation
Definition: Float.h:143
odiststream dout(cout)
see the diststream page for the full documentation
Definition: diststream.h:467
see the space page for the full documentation
This file is part of Rheolef.
field_basic< T, M > lazy_interpolate(const space_basic< T, M > &X2h, const field_basic< T, M > &u1h)
see the interpolate page for the full documentation
Definition: field.h:871
rheolef - reference manual
The Zalesak slotted disk benchmark – the exact solution.
int main(int argc, char **argv)
Definition: zalesak_show.cc:25