Here is my minimal code: mesh = Mesh(‘mesh.xml’)# a square mesh ele_d = FiniteElement(“DG”, mesh.ufl_cell(), 0) ele_h = FiniteElement(“BDM”, mesh.ufl_cell(), 1) ele_u = VectorElement(“CG”, mesh.ufl_cell(), 1) W = MixedElement([ele_d, ele_h, ele_u]) W = FunctionSpace(mesh, W) (d,h,u)= Tria…

Unable to define linear variational problem a(u, v) = L(v) for all v

xiaodong_zhang June 8, 2020, 3:42pm 5

Why can three variables be solved simultaneously with one variational equation in the use of mixed element?

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