1function [current,divrg]=DDGOXddcurrent(mesh,Sinodes,data,contacts);
2
3% [current,divrg]=DDGOXddcurrent(mesh,Sinodes,data,contacts);
4
5
6% This file is part of
7%
8%            SECS2D - A 2-D Drift--Diffusion Semiconductor Device Simulator
9%         -------------------------------------------------------------------
10%            Copyright (C) 2004-2006  Carlo de Falco
11%
12%
13%
14%  SECS2D is free software; you can redistribute it and/or modify
15%  it under the terms of the GNU General Public License as published by
16%  the Free Software Foundation; either version 2 of the License, or
17%  (at your option) any later version.
18%
19%  SECS2D is distributed in the hope that it will be useful,
20%  but WITHOUT ANY WARRANTY; without even the implied warranty of
21%  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22%  GNU General Public License for more details.
23%
24%  You should have received a copy of the GNU General Public License
25%  along with SECS2D; If not, see <http://www.gnu.org/licenses/>.
26
27load (file_in_path(path,'constants.mat'))
28
29
30Nelements = size(mesh.t,2);
31mob = Ufielddepmob(mesh,data.un,data.Fn,data.vsatn,data.mubn);
32An  = Uscharfettergummel(mesh,data.V(Sinodes),mob);
33mob = Ufielddepmob(mesh,data.up,data.Fp,data.vsatp,data.mubp);
34Ap  = Uscharfettergummel(mesh,-data.V(Sinodes),mob);
35divrg = An * data.n + Ap * data.p;
36
37for con = 1:length(contacts)
38
39    cedges = [];
40    cedges=[cedges,find(mesh.e(5,:)==contacts(con))];
41    cnodes = mesh.e(1:2,cedges);
42    cnodes = [cnodes(1,:) cnodes(2,:)];
43    cnodes = unique(cnodes);
44
45    current(con) = sum(divrg(cnodes));
46
47end
48
49Is = q*data.us*data.Vs*data.ns;
50current = current * Is;
51
52
53