an efficient C++ finite element environment
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29 int main(
int argc,
char**argv) {
31 Float tol = (argc > 1) ? atof(argv[1]) : 1e-12;
39 space Th = sigma_h.get_space();
40 space Xh = uh.get_space();
42 test v (Xh), tau (Th);
51 field grad_uh = inv_mt*(
b*uh);
54 field mr_uh =
lh -
b.trans_mult(sigma_h-r*grad_uh) - r*(
a*uh);
55 mr_uh[
"boundary"] = 0;
58 pm.solve (mr_uh, r_uh);
59 Float residue_uh = sqrt(
m(r_uh,r_uh));
60 Float residue_sigma_h = sqrt(mt(r_sigma_h,r_sigma_h));
61 derr <<
"norm_linf residue(uh) = " << r_uh.max_abs() << endl
62 <<
"norm_l2 residue(uh) = " << residue_uh << endl
63 <<
"norm_linf residue(sigma_h) = " << r_sigma_h.max_abs() << endl
64 <<
"norm_l2 residue(sigma_h) = " << residue_sigma_h << endl;
66 return (
residue <= tol) ? 0 : 1;
see the catchmark page for the full documentation
see the field page for the full documentation
field residue(Float p, const field &uh)
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
see the space page for the full documentation
std::enable_if< details::is_field_convertible< Expr >::value,details::field_expr_v2_nonlinear_terminal_field< typename Expr::scalar_type,typename Expr::memory_type,details::differentiate_option::gradient >>::type grad(const Expr &expr)
grad(uh): see the expression page for the full documentation
class rheolef::details::field_expr_v2_nonlinear_node_unary compose
T norm(const vec< T, M > &x)
norm(x): see the expression page for the full documentation
rheolef - reference manual
see the integrate_option page for the full documentation
field_basic< T, M > interpolate(const space_basic< T, M > &V2h, const field_basic< T, M > &u1h)
see the interpolate page for the full documentation
see the environment page for the full documentation
field lh(Float epsilon, Float t, const test &v)
The projection for yield-stress rheologies – vector-valued case for the Mossolov problem.
This file is part of Rheolef.
see the test page for the full documentation
see the problem page for the full documentation
idiststream din(cin)
see the diststream page for the full documentation
see the Float page for the full documentation
see the test page for the full documentation
int main(int argc, char **argv)
rheolef::details::is_vec dot