Dear Timo, thank you for your help, but although I do it I have the same error as before
(( ‘Robin_value’ was not declared in this scope )). ,could you please look whether my implementation of robin bc correct? best regard, ahmad --- Timo Heister <[email protected]> schrieb am Mi, 13.4.2011: Von: Timo Heister <[email protected]> Betreff: Re: [deal.II] robin boundary condition An: "Ahmad Al Nabulsi" <[email protected]> Datum: Mittwoch, 13. April, 2011 12:05 Uhr > for (unsigned int q_point=0; q_point<n_q_points; ++q_point) > > const double Robin_value > = > (exact_solution.value(fe_face_values.quadrature_point(q_point))); > //fe_face_values.normal_vector(q_point)); > You forgot to put curly braces around the for body, so the for loop only iterates over this variable assignment. Best, Timo -- Timo Heister http://num.math.uni-goettingen.de/~heister
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