The combustion problem – error analysis.
The combustion problem – error analysis
int main(
int argc,
char**argv) {
bool is_upper = (argc > 1) && (argv[1][0] == '1');
bool is_crit = (argc > 1) && (argv[1][0] == 'c');
Float tol = (argc > 2) ? atof(argv[2]) : 1e-15;
const geo& omega = uh.get_geo();
const space& Xh = uh.get_space();
= sqrt(integrate(omega, norm2(uh -
u_exact(
lambda,is_upper)), iopt));
= sqrt(integrate(omega, norm2(grad(uh)-
grad_u(
lambda,is_upper)), iopt));
Float err_linf = eh.max_abs();
dout << "err_linf = " << err_linf << endl
<< "err_l2 = " << err_l2 << endl
<< "err_h1 = " << err_h1 << endl;
return (err_h1 < tol) ? 0 : 1;
}
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 catchmark page for the full documentation
see the environment page for the full documentation
see the integrate_option page for the full documentation
void set_family(family_type type)
see the space page for the full documentation
The combustion problem – its exact solution.
This file is part of Rheolef.
rheolef - reference manual