/usr/share/octave/packages/secs2d-0.0.8/ThDDGOX/ThDDGOXupdateelectron_temp.m is in octave-secs2d 0.0.8-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | 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));
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