Mercurial > fem-fenics-eugenio
changeset 8:30b7372376fb
File containing the definition of the variational problem (example)
author | gedeone-octave <marco.vassallo@outlook.com> |
---|---|
date | Fri, 05 Jul 2013 18:24:09 +0200 |
parents | 2b8b66f72a3d |
children | 3bf1ca6397a2 |
files | test/Laplace.ufl |
diffstat | 1 files changed, 34 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/Laplace.ufl Fri Jul 05 18:24:09 2013 +0200 @@ -0,0 +1,34 @@ +# Copyright (C) 2005-2009 Anders Logg +# +# This file is part of DOLFIN. +# +# DOLFIN is free software: you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# DOLFIN 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 Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with DOLFIN. If not, see <http://www.gnu.org/licenses/>. +# +# First added: 2005 +# Last changed: 2011-03-08 +# +# The bilinear form a(u, v) and linear form L(v) for +# Poisson's equation. +# +# Compile this form with FFC: ffc -l dolfin Poisson.ufl. + +element = FiniteElement("Lagrange", triangle, 2) + +u = TrialFunction(element) +v = TestFunction(element) +f = Coefficient(element) +g = Coefficient(element) + +a = inner(grad(u), grad(v))*dx +L = f*v*dx + g*v*ds