> So as I would like to have the best accuracy as possible, I should use
> L^2-projection, shouldn't I?
That would yield the minimum error in the L2 norm, yes.
What you should do is something like this:
FEFieldFunction<dim> solution_field_1 (dof_handler1, solution1);
VectorTools::project (dof_handler2,
solution_field_2, some_quadrature,
projected_field_1_on_mesh_2);
To understand why this is going to be a very expensive process, please read
through the source code of the functions VectorTools::project and
FEFieldFunction::value.
Best
W.
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Wolfgang Bangerth email: [email protected]
www: http://www.math.tamu.edu/~bangerth/
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