Mercurial > fem-fenics-eugenio
view devel/example/Ficticious_Domain/Unsteady/L2_penalization/VelocityUpdate.ufl @ 192:945c19831a16
Unsteady NS with L2 penalization.
author | gedeone-octave <marcovass89@hotmail.it> |
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date | Sun, 10 Nov 2013 19:33:44 +0000 |
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## Copyright (C) 2013 Marco Vassallo <gedeone-octave@users.sourceforge.net> ## ## This program 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 3 of the License, or (at your option) any later ## version. ## ## This program 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 ## this program; if not, see <http://www.gnu.org/licenses/>. # Define function spaces (P2-P1) V = VectorElement("CG", triangle, 2) Q = FiniteElement("CG", triangle, 1) # Define trial and test functions u = TrialFunction(V) v = TestFunction(V) # Define coefficients k = Constant(triangle) u1 = Coefficient(V) p1 = Coefficient(Q) # Define bilinear and linear forms a = inner(u, v)*dx L = inner(u1, v)*dx - k*inner(grad(p1), v)*dx