Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / secs2d-0.0.8 / ThDDGOX / ThDDGOXddcurrent.m

diff --git a/octave_packages/secs2d-0.0.8/ThDDGOX/ThDDGOXddcurrent.m b/octave_packages/secs2d-0.0.8/ThDDGOX/ThDDGOXddcurrent.m
new file mode 100644 (file)
index 0000000..fa217b4
--- /dev/null
+++ b/octave_packages/secs2d-0.0.8/ThDDGOX/ThDDGOXddcurrent.m
@@ -0,0 +1,54 @@
+function [current,divrg]=ThDDGOXddcurrent(Simesh,Sinodes,data,contacts);
+
+% [current,divrg]=DDGOXddcurrent(Simesh,Sinodes,data,contacts);
+
+
+% This file is part of 
+%
+%            SECS2D - A 2-D Drift--Diffusion Semiconductor Device Simulator
+%         -------------------------------------------------------------------
+%            Copyright (C) 2004-2006  Carlo de Falco
+%
+%
+%
+%  SECS2D is free software; you can redistribute it and/or modify
+%  it under the terms of the GNU General Public License as published by
+%  the Free Software Foundation; either version 2 of the License, or
+%  (at your option) any later version.
+%
+%  SECS2D is distributed in the hope that it will be useful,
+%  but WITHOUT ANY WARRANTY; without even the implied warranty of
+%  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%  GNU General Public License for more details.
+%
+%  You should have received a copy of the GNU General Public License
+%  along with SECS2D; If not, see <http://www.gnu.org/licenses/>.
+
+load (file_in_path(path,'constants.mat'))
+
+
+Nelements = size(mesh.t,2);
+mobn0 = thermdata.mobn0([],Simesh,Sinodes,[],data);
+mobp0 = thermdata.mobp0([],Simesh,Sinodes,[],data);
+mobn1 = thermdata.mobn1([],Simesh,Sinodes,[],data);
+mobp1 = thermdata.mobp1([],Simesh,Sinodes,[],data);
+An  = Uscharfettergummel3(Simesh,mobn0,mobn1,data.Tn,data.V(Sinodes)-data.Tn);
+Ap  = Uscharfettergummel3(Simesh,mobp0,mobp1,data.Tp,-data.V(Sinodes)-data.Tn);
+divrg = An * data.n + Ap * data.p;
+
+for con = 1:length(contacts)
+
+    cedges = [];
+    cedges=[cedges,find(mesh.e(5,:)==contacts(con))];
+    cnodes = mesh.e(1:2,cedges);
+    cnodes = [cnodes(1,:) cnodes(2,:)];
+    cnodes = unique(cnodes);
+    
+    current(con) = sum(divrg(cnodes));
+    
+end
+
+Is = q*data.us*data.Vs*data.ns;
+current = current * Is;
+
+