Hi,
On Friday, April 28, 2017 at 10:22:07 PM UTC+2, Edith Sotelo wrote:
>
> Hi.
> I want to use several enrichment and incorporate them through a loop in
> the constructor. I came up with this piece of code (see below) . But I had
> to create a vector of FE_Enriched<dim> though I do not need
>
> a vector, I did this to overcome the issue of the explicit initialization
> of FE_Enriched<dim> object. I am wondering if you have any suggestion to
> improve this parta and get rid of the FE_Enriched<dim> vector.
>
>
> template <int dim>
>
> Helmholtz_GFEM2d_2<dim>::Helmholtz_GFEM2d_2 ():
>
>
> q(8),
>
> k(20),
>
> dof_handler (triangulation)
>
>
>
> {
>
> std::vector< std::function< const Function<dim> * (const typename
> Triangulation <dim>::cell_iterator &) > > functions;
>
>
> for (unsigned int n = 0; n < q; ++n)
>
> { std::cout<<n<<std::endl;
>
> Enrichment<dim> enrich (k,n,q);
>
>
this object will die as soon as you exit the loop. You need to make sure
it's alive during the whole usage of FE code.
For example, use a std::vector<std::shared_ptr<Enrichment<dim>>>...
and adjust your code below.
>
> functions.push_back([=] (const typename
> Triangulation<dim>::cell_iterator &) -> const Function<dim> * {return &
> enrich;});
>
>
>
> }
>
> FE_Q<dim> feq (1);
>
> fe_enriched_vector. push_back(FE_Enriched<dim> (&feq, {&feq}, {functions})
> );
>
>
either use std::shared_ptr<FE_Enriched> or FECollection::push_back().
>
> }
>
>
Regards,
Denis.
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