DM Object: box_surface 4 MPI processes type: plex box_surface in 2 dimensions: 0-cells: 33 33 33 33 1-cells: 56 56 56 56 2-cells: 24 24 24 24 Labels: celltype: 3 strata with value/size (0 (33), 1 (56), 4 (24)) depth: 3 strata with value/size (0 (33), 1 (56), 2 (24)) marker: 1 strata with value/size (1 (90)) libCEED Backend: /cpu/self/avx/blocked Discrete System with 1 fields cell total dim 16 total comp 1 Field indicator FEM 1 component (implicit) (Nq 25 Nqc 1) 1-jet PetscFE Object: indicator 1 MPI processes type: basic Basic Finite Element in 2 dimensions with 1 components PetscSpace Object: indicator 1 MPI processes type: tensor Space in 2 variables with 1 components, size 16 Tensor space of 2 subspaces (all identical) PetscSpace Object: tensor component (tensorcomp_) 1 MPI processes type: poly Space in 1 variables with 1 components, size 4 Polynomial space of degree 3 PetscDualSpace Object: indicator 1 MPI processes type: lagrange Dual space with 1 components, size 16 Continuous tensor Lagrange dual space Quadrature of order 9 on 25 points (dim 2) Weak Form System with 1 fields Exact mesh surface area : 6 Computed mesh surface area : 6 Area verifies!