On 06/29/2017 08:42 AM, 'Franck Kalala' via deal.II User Group wrote:
An error occurred in line <3635> of file
</home/franckm/deal.ii-candi/tmp/unpack/deal.II-v8.5.0/source/fe/fe_values.cc>
in function
void dealii::FEValues<dim, spacedim>::initialize(dealii::UpdateFlags)
[with int dim = 2; int spacedim = 2]
The violated condition was:
(update_flags & update_normal_vectors) == false
The condition at this place of the library says this:
// You can compute normal vectors
// to the cells only in the
// codimension one case.
if (dim != spacedim-1)
Assert ((update_flags & update_normal_vectors) == false,
(typename FEValuesBase<dim,spacedim>::ExcInvalidUpdateFlag()));
In other words, what it is trying to tell you is that you can't pass the
'update_normal_vectors' flag to an FEValues object. It is a flag that is
generally only usable for FE*Face*Values objects.
Best
W.
--
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Wolfgang Bangerth email: [email protected]
www: http://www.math.colostate.edu/~bangerth/
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