[deal.II] Error with Petsc and and multithreading?

2019-09-07 Thread Konrad
Dear deal.ii community, I am encountering an error when running the following program (only relevant parts): *class NedRTStd* *{* *public:* * struct Parameters* * {* * // Some parameters go here* * };* * NedRTStd () = delete;* * NedRTStd (Parameters ¶meters);* * ~NedRTStd ();* * vo

[deal.II] Re: Extracting volume data to the boundary

2019-09-07 Thread Alberto Salvadori
Dear community I apologize if the question was too generic. I attempt here to be more precise, asking for some suggestions. In solving a Laplace-Beltrami problem on an advecting surface one should identify the Gauss points on the manifold dim-1 cell and retrieve at such locations relevant info

Re: [deal.II] Poisson equation, implementation of boundary values, mixed finite element, semiconductor devices

2019-09-07 Thread Konrad
Hi Konrad, I may add as a comment (without going into details): Your problem is - as you correctly describe above - a mixed Poisson problem. You essentially have two options to solve it and the way you choose influences the way you need to treat the boundary conditions: in primal form and in mi