--- /dev/null
+function Tn = ThDDGOXupdateelectron_temp(imesh,Dnodes,Tn,n,p,Tl,Jn,E,mobn0,...
+ twn0,twn1,tn,tp,n0,p0)
+ %%
+ %% Tn = ThDDGOXupdateelectron_temp(mesh,Dnodes,Tn,n,p,Tl,Jn,E,mobn,...
+ %% twn0,tn,tp,n0,p0)
+ %%
+
+ %% 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/>.
+
+ Nnodes = columns(imesh.p);
+ Nelements = columns(imesh.t);
+ Varnodes = setdiff(1:Nnodes,Dnodes);
+
+ alpha = mobn0;
+ gamma = ones(Nnodes,1);
+ eta = 1.5 * n .* Tl;
+ betax = Jn(1,:)./ mobn0';
+ betay = Jn(2,:)./ mobn0';
+ beta = -2.5*[betax;betay];
+
+ Sn = Uscharfettergummel3(imesh,alpha,gamma,eta,beta);
+
+ denom = (tp*(n+sqrt(n0.*p0))+tn*(p+sqrt(n0.*p0)));
+ R = (p.*n)./denom;
+ MASS_LHS1 = Ucompmass2(imesh,1.5*R,ones(Nelements,1));
+ MASS_LHS2 = Ucompmass2(imesh,1.5*n./twn1,1./twn0);
+
+ LHS = Sn + MASS_LHS1 + MASS_LHS2;
+
+ G = (p0.*n0)./denom;
+ PJoule = Jn(1,:).*E(1,:) + Jn(2,:).*E(2,:);
+ PJoule(PJoule<0) = 0;
+
+ rhsJoule = Ucompconst (imesh,ones(Nnodes,1),PJoule');
+ rhsR_G = Ucompconst (imesh,1.5*G.*Tn,ones(Nelements,1));
+ rhsTh_L = Ucompconst (imesh,1.5*n.*Tl./twn1,1./twn0);
+ RHS = rhsJoule + rhsR_G + rhsTh_L;
+
+ Tn(Varnodes) = LHS(Varnodes,Varnodes) \(RHS(Varnodes) -...
+ LHS(Varnodes,Dnodes)*Tn(Dnodes));