[deal.II] Periodic boundary condition on the derivatives

[Ben Crestel]

Hi,

I'm solving a parabolic PDE on a square [-1,1]^2 and I want to impose 
periodic normal derivatives of the solution on the left and right 
boundaries. How can I do that in deal.ii?

Thanks,

Ben

_______________________________________________
dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii