Rheolef  7.1
an efficient C++ finite element environment
dirichlet_hdg_average.icc
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1 field dirichlet_hdg_average (field uh, field lambda_h) {
26  size_t k = uh.get_space().degree();
27  size_t d = uh.get_geo().dimension();
28  space Zh (uh.get_geo(), "P0");
29  trial zeta(Zh); test xi(Zh);
30  integrate_option iopt;
31  iopt.invert = true;
32  if (k >= 1) {
33  form inv_mz = integrate (zeta*xi, iopt);
34  iopt.set_order(2*k+2);
35  field lh = integrate (uh*xi, iopt);
36  return inv_mz*lh;
37  }
38  const space& Mh = lambda_h.get_space();
39  trial lambda (Mh); test mu (Mh);
40  form inv_ms = integrate("sides", lambda*mu, iopt);
41  field inv_sh = inv_ms*field(Mh,1);
42  field lh = integrate (on_local_sides(inv_sh*lambda_h*xi));
43  return (1./(d+1))*lh;
44 }
field lh(Float epsilon, Float t, const test &v)
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field dirichlet_hdg_average(field uh, field lambda_h)
std::enable_if< details::is_field_expr_v2_variational_arg< Expr >::value,details::field_expr_quadrature_on_sides< Expr > >::type on_local_sides(const Expr &expr)
on_local_sides(expr): see the expression page for the full documentation
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:202