Rheolef  7.2
an efficient C++ finite element environment
 
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combustion_newton.cc
Go to the documentation of this file.
1
25#include "rheolef.h"
26using namespace rheolef;
27using namespace std;
28#include "combustion.h"
29int main(int argc, char**argv) {
30 environment rheolef (argc,argv);
31 geo omega (argv[1]);
32 Float eps = numeric_limits<Float>::epsilon();
33 string approx = (argc > 2) ? argv[2] : "P1";
34 Float lambda = (argc > 3) ? atof(argv[3]) : 0.1;
35 Float tol = (argc > 4) ? atof(argv[4]) : eps;
36 size_t max_iter = (argc > 5) ? atoi(argv[5]) : 100;
37 combustion F (omega, approx);
39 field uh = F.initial ();
40 Float residue = tol;
41 size_t n_iter = max_iter;
42 damped_newton (F, uh, residue, n_iter, &derr);
43 F.put (dout, uh);
44 return (residue <= sqrt(tol)) ? 0 : 1;
45}
see the Float 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
The combustion problem: class header for the Newton method.
int main()
Definition field2bb.cc:58
This file is part of Rheolef.
int damped_newton(const Problem &P, const Preconditioner &T, Field &u, Real &tol, Size &max_iter, odiststream *p_derr=0)
see the damped_newton page for the full documentation
STL namespace.
field residue(Float p, const field &uh)
rheolef - reference manual
odiststream & put(odiststream &os, const field &uh) const
field initial(std::string restart="")
void set_parameter(float_type lambda1)
Definition combustion.h:35