Mercurial > fem-fenics-eugenio
view devel/example/Darcy-Stokes/P2P0/DS.ufl @ 161:7e922376b3e8
Devel folder for examples which need to be improved
author | gedeone-octave <marcovass89@hotmail.it> |
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date | Thu, 12 Sep 2013 15:23:48 +0200 |
parents | example/Darcy-Stokes/P2P0/DS.ufl@c15e5434a512 |
children |
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# P2-P0 finite element P2 = VectorElement("CG", triangle, 2) P0 = FiniteElement("DG", triangle, 0) R = FiniteElement ("R", triangle, 0) W = MixedElement ([P2, P0, R]) (u, p, c) = TrialFunctions(W) (v, q, d) = TestFunctions(W) f = Coefficient(P2) g = Coefficient(P0) ep = Constant(triangle) a = (dot(u, v) + ep*ep*div(u)*div(v) + ep*ep*dot(rot(u), rot(v)) + div(v)*p - div(u)*q + p*d + q*c)*dx L = (dot (f, v) - g*q)*dx