I just understand what you meant !
Thanks !
2017년 4월 6일 목요일 오후 7시 24분 1초 UTC-5, Wolfgang Bangerth 님의 말:
>
> On 04/06/2017 02:55 PM, Jaekwang Kim wrote:
> > template<intdim>
> >
> > void
> >
> > Step4<dim>::copy_local_to_global (constAssemblyCopyData ©_data)
> >
> > {
> >
> > for(unsignedinti=0; i<copy_data.local_dof_indices.size(); ++i)
> >
> > {
> >
> > for(unsignedintj=0; j<copy_data.local_dof_indices.size(); ++j)
> >
> > system_matrix.add (copy_data.local_dof_indices[i],
> >
> > copy_data.local_dof_indices[j],
> >
> > copy_data.cell_matrix(i,j));
> >
> > system_rhs(copy_data.local_dof_indices[i]) +=
> copy_data.cell_rhs(i);
> >
> >
> >
> > }
> >
> >
> >
> > *constraints.distribute_local_to_global
> >
> (copy_data.cell_matrix,copy_data.cell_rhs,copy_data.local_dof_indices,system_matrix,system_rhs);*
>
>
> >
> > * // I am suspicious on this part...*
> >
> > }
>
> You copy things twice into the global matrix and rhs, but only once taking
> into accounts the constraints. Take a look at step-32, for example, to see
> how
> this function is supposed to look.
>
> Best
> W.
>
>
> --
> ------------------------------------------------------------------------
> Wolfgang Bangerth email: bang...@colostate.edu
> <javascript:>
> www: http://www.math.colostate.edu/~bangerth/
>
>
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