Hello Mihai,
I think the class SolutionTransfer is what you want.
Best Regards,
Markus
Am 18.02.10 17:15, schrieb mihai alexe:
Hello all,
How can I transfer a discrete solution from one grid to another? My
two grids are fixed - I am reading them from a file, and grid #2 holds
my discontinuous Galerkin solution u^h. Grid #2 has been obtained
through refinement and coarsening directly from grid #1. I want to
transfer u^h back from grid #2 to grid #1. Is there an API function
for doing this? I came upon static void VectorTools::interpolate, and
I am wondering how I can set up my "transfer" matrix beforehand such that
I successfully do the solution transfer.
Thank you
~~ Mihai
template<int dim, class InVector , class OutVector , int spacedim>
static void VectorTools::interpolate ( const DoFHandler
<http://www.dealii.org/developer/doxygen/deal.II/classDoFHandler.html>< dim,
spacedim > & /dof_1/,
const DoFHandler
<http://www.dealii.org/developer/doxygen/deal.II/classDoFHandler.html>< dim,
spacedim > & /dof_2/,
const FullMatrix
<http://www.dealii.org/developer/doxygen/deal.II/classFullMatrix.html>< double
<http://www.dealii.org/developer/doxygen/deal.II/classdouble.html> >
& /transfer/,
const InVector & /data_1/,
OutVector & /data_2/
)
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