Rheolef  7.2
an efficient C++ finite element environment
 
Loading...
Searching...
No Matches
streamf_cavity.cc

The stream function for the driven cavity benchmark.

The stream function for the driven cavity benchmark

#include "rheolef.h"
using namespace rheolef;
using namespace std;
#include "cavity.h"
int main (int argc, char** argv) {
environment rheolef (argc, argv);
field uh;
din >> uh;
string approx = "P" + to_string(uh.get_space().degree());
space Ph = cavity::streamf_space (uh.get_geo(), approx);
space Xh = uh.get_space();
size_t d = uh.get_geo().dimension();
trial u (Xh), psi (Ph); test phi (Ph);
form a = (d == 3) ? integrate (ddot(grad(psi),grad(phi)))
: integrate ( dot(grad(psi),grad(phi)));
form b = (d==3) ? integrate (dot(curl(u),phi))
: integrate (curl(u)*phi);
field lh = b*uh;
problem p (a);
p.solve (lh, psi_h);
dout << catchmark("psi") << psi_h;
}
field lh(Float epsilon, Float t, const test &v)
The driven cavity benchmark: 2D boundary conditions.
see the field page for the full documentation
see the form page for the full documentation
see the problem page for the full documentation
see the catchmark page for the full documentation
Definition catchmark.h:67
see the environment page for the full documentation
see the space page for the full documentation
see the test page for the full documentation
see the test page for the full documentation
int main()
Definition field2bb.cc:58
This file is part of Rheolef.
STL namespace.
rheolef - reference manual
static field streamf_field(space Ph)
Definition cavity.h:53
static space streamf_space(geo omega, string approx)
Definition cavity.h:42
Definition sphere.icc:25
Definition phi.h:25
Definition leveque.h:25