Rheolef  7.2
an efficient C++ finite element environment
mosolov_error_yield_surface.cc
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1 #include "rheolef.h"
26 using namespace rheolef;
27 using namespace std;
28 #include "mosolov_exact_circle.h"
29 Float delta (Float f, Float g) { return (f*g >= 0) ? 0 : 1; }
30 int main(int argc, char**argv) {
31  environment rheolef (argc,argv);
32  Float tol = (argc > 1) ? atof(argv[1]) : 1e-15;
33  Float Bi;
34  field sigma_h;
35  din >> catchmark("Bi") >> Bi
36  >> catchmark("sigma") >> sigma_h;
37  space Th = sigma_h.get_space();
38  geo omega = Th.get_geo();
39  integrate_option iopt;
41  iopt.set_order(4*(Th.degree()+1));
42  Float err_ys_l1 = integrate (omega,
43  compose(delta, norm(sigma_h)-Bi, norm(sigma())-Bi), iopt);
44  dout << "err_ys_l1 = " << err_ys_l1 << endl;
45  return err_ys_l1 < tol ? 0 : 1;
46 }
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
Definition: catchmark.h:67
see the environment page for the full documentation
Definition: environment.h:121
see the integrate_option page for the full documentation
void set_family(family_type type)
idiststream din(cin)
see the diststream page for the full documentation
Definition: diststream.h:464
odiststream dout(cout)
see the diststream page for the full documentation
Definition: diststream.h:467
see the space page for the full documentation
int main(int argc, char **argv)
Float delta(Float f, Float g)
The Mossolov problem for a circular pipe – exact solution.
This file is part of Rheolef.
T norm(const vec< T, M > &x)
norm(x): see the expression page for the full documentation
Definition: vec.h:387
std::enable_if< details::is_field_expr_v2_nonlinear_arg< Expr >::value &&! is_undeterminated< Result >::value, Result >::type integrate(const geo_basic< T, M > &omega, const Expr &expr, const integrate_option &iopt, Result dummy=Result())
see the integrate page for the full documentation
Definition: integrate.h:211
details::field_expr_v2_nonlinear_node_nary< typename details::function_traits< Function >::functor_type,typename details::field_expr_v2_nonlinear_terminal_wrapper_traits< Exprs >::type... > ::type compose(const Function &f, const Exprs &... exprs)
see the compose page for the full documentation
Definition: compose.h:247
rheolef - reference manual
Definition: cavity_dg.h:29
Definition: cavity_dg.h:25