Dear community, I recently switched from dolfin to dolfinx and I am trying to udpate the following “Expression” class. V = VectorFunctionSpace(mesh,'Lagrange', 1) U_app = Expression( ('t', '0.'), t = 0.0, degree = 1 ) # Constant((0.,0.)) bcu = [DirichletBC( V , Constant((0.,0.)…

Consider: assert(V_u.dofmap.index_map_bs == V_u.num_sub_spaces) vector = np.zeros((V_u.dofmap.index_map_bs, V_u.dofmap.index_map.size_local)) for i in range(V_u.dofmap.index_map_bs): vector[i] = u_test.x.array[i::V_u.dofmap.index_map_bs] coords = V_u.tabulate_dof_coordinates() for x, val in z…

Time-dependent dirichlet condition issue : AttributeError

dolfinx

dokken April 26, 2022, 10:08am 5

See: How to get the solution obtained by fenics as a vector? - #7 by dokken

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Time-dependent dirichlet condition issue : AttributeError

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