--- /dev/null
+function [jx,jy]=Ufvsgcurrent(omesh,n,psi,psith,coeffe);
+
+% [jx,jy]=Udrawcurrent(omesh,n,psi,psith,coeffe);
+
+% 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/>.
+
+Nelem = size(omesh.t,2);
+jx = NaN*ones(Nelem,1);
+jy = jx;
+
+for iel=1:Nelem
+
+ K = sum(omesh.wjacdet(:,iel));
+
+ dpsi1 = psi(omesh.t(3,iel))-psi(omesh.t(2,iel));
+ dvth1 = psith(omesh.t(3,iel))-psith(omesh.t(2,iel));
+ vthm1 = Utemplogm(psith(omesh.t(3,iel)),psith(omesh.t(2,iel)));
+ [bp,bn] = Ubern((dpsi1-dvth1)/vthm1);
+ t1 = omesh.p(:,omesh.t(3,iel))-omesh.p(:,omesh.t(2,iel));
+ l1 = norm(t1,2);
+ t1 = t1/l1;
+ j1 = vthm1*(coeffe(iel)/l1) * ( n(omesh.t(3,iel)) * bp - ...
+ n(omesh.t(2,iel)) * bn) * t1;
+
+ gg1= omesh.shg(:,2,iel)'*omesh.shg(:,3,iel)*l1^2;
+
+ dpsi2 = psi(omesh.t(1,iel))-psi(omesh.t(3,iel));
+ dvth2 = psith(omesh.t(1,iel))-psith(omesh.t(3,iel));
+ vthm2 = Utemplogm(psith(omesh.t(1,iel)),psith(omesh.t(3,iel)));
+ [bp,bn] = Ubern((dpsi2-dvth2)/vthm2);
+ t2 = omesh.p(:,omesh.t(1,iel))-omesh.p(:,omesh.t(3,iel));
+ l2 = norm(t2,2);
+ t2 = t2/l2;
+ j2 = vthm2*(coeffe(iel)/l2) * ( n(omesh.t(1,iel)) * bp - ...
+ n(omesh.t(3,iel)) * bn) * t2;
+
+ gg2= omesh.shg(:,1,iel)'*omesh.shg(:,3,iel)*l2^2;
+
+ dpsi3 = psi(omesh.t(2,iel))-psi(omesh.t(1,iel));
+ dvth3 = psith(omesh.t(2,iel))-psith(omesh.t(1,iel));
+ vthm3 = Utemplogm(psith(omesh.t(2,iel)),psith(omesh.t(1,iel)));
+ [bp,bn] = Ubern((dpsi3-dvth3)/vthm3);
+ t3 = omesh.p(:,omesh.t(2,iel))-omesh.p(:,omesh.t(1,iel));
+ l3 = norm(t3,2);
+ t3 = t3/l3;
+ j3 = vthm3*(coeffe(iel)/l3) * ( n(omesh.t(2,iel)) * bp - ...
+ n(omesh.t(1,iel)) * bn) * t3;
+
+ gg3= omesh.shg(:,2,iel)'*omesh.shg(:,1,iel)*l3^2;
+
+ Jk = j1*gg1+j2*gg2+j3*gg3;
+ jx(iel) = Jk(1);
+ jy(iel) = Jk(2);
+
+end
\ No newline at end of file