The sinus product function – error analysis for the hybrid discontinuous Galerkin method.
The sinus product function – error analysis for the hybrid discontinuous Galerkin method
int main(
int argc,
char**argv) {
Float err_linf_expected = (argc > 1) ? atof(argv[1]) : 1e+38;
space Tth = sigmat_h.get_space();
geo omega = Tth.get_geo();
size_t k = Tth.degree() - 1;
size_t d = omega.dimension();
Float err_sigmat_l2 = sqrt(integrate (omega, norm2(sigmat_h-
grad_u(
d)), iopt));
space Th1 (omega,
"P"+to_string(k+1)+
"d",
"vector");
Float err_sigmat_linf = esth.max_abs();
derr << "err_sigmat_l2 = " << err_sigmat_l2 << endl
<< "err_sigmat_linf = " << err_sigmat_linf << endl;
Float err_div_sigmat_l2 = sqrt(integrate (omega, sqr(div_h(sigmat_h)+
f(
d)), iopt));
space Lh1 (omega,
"P"+to_string(k+2)+
"d");
field edsth = lazy_interpolate (Lh1, div_h(sigmat_h)+
f(
d));
Float err_div_sigmat_linf = edsth.max_abs();
derr << "err_div_sigmat_l2 = " << err_div_sigmat_l2 << endl
<< "err_div_sigmat_linf = " << err_div_sigmat_linf << endl;
return (err_sigmat_linf <= err_linf_expected) ? 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
This file is part of Rheolef.
rheolef - reference manual
The sinus product function – right-hand-side and boundary condition for the Poisson problem.
The sinus product function – its gradient.