Hi Johannes, I had missed that. Just for the record, the snippet at the end of the email now works as it is supposed to. Last question about the example script: did anyone find a more up-to-date version of the tutorial you can download at
http://www.fenics.org/pub/documents/fenics/tutorial/fenics-tutorial.pdf ? Cheers Lorenzo ########################################################## from dolfin import * # Create mesh and define function space mesh = UnitSquare(6, 4) V = FunctionSpace(mesh, "CG", 1) # Define boundary conditions u0 = Expression("1 + x[0]*x[0] + 2*x[1]*x[1]") class Boundary(SubDomain): # define the Dirichlet boundary def inside(self, x, on_boundary): return on_boundary u0_boundary = Boundary() bc = DirichletBC(V, u0, u0_boundary) # Define variational problem v = TestFunction(V) u = TrialFunction(V) f = Constant( -6.0) a = dot(grad(u), grad(v))*dx L = f*v*dx # Compute solution problem = VariationalProblem(a, L, bc) u = problem.solve() # Plot solution and mesh plot(u) plot(mesh) # Dump solution to file in VTK format file = File("poisson.pvd") file << u # Hold plot interactive() On Mon, 2010-06-28 at 13:21 +0200, Johannes Ring wrote: > Hi Lorenzo, > > On Mon, Jun 28, 2010 at 12:39 PM, Lorenzo Isella > <[email protected]> wrote: > > Apologies for the tremendous delay but I have been unwell. > > After a fresh installation of ubuntu 10.04 and fenics, I still have > > troubles in running the script. > > Any suggestions? > > Did you try what Johan was suggesting? You will also need to remove > the "mesh" argument from the call to Constant in line 15. > > Johannes _______________________________________________ Mailing list: https://launchpad.net/~fenics Post to : [email protected] Unsubscribe : https://launchpad.net/~fenics More help : https://help.launchpad.net/ListHelp

