Epsilon : 3e-13 FEEngine [ + id : my_fem + element dimension : 2 + mesh [ Mesh [ + id : mesh + spatial dimension : 2 + nodes [ Array<double> [ + id : mesh:coordinates + size : 21 + nb_component : 2 + allocated size : 2000 + memory size : 31.25KiByte + values : {{0, 0}, {1, 0}, {1, 1}, {0, 1}, {0.5, 0}, {0.25, 0}, {0.75, 0}, {1, 0.5}, {1, 0.25}, {1, 0.75}, {0.5, 1}, {0.75, 1}, {0.25, 1}, {0, 0.5}, {0, 0.75}, {0, 0.25}, {0.5, 0.5}, {0.5, 0.75}, {0.75, 0.5}, {0.5, 0.25}, {0.25, 0.5}} ] + connectivities [ ElementTypeMapArray<unsigned int> [ (not_ghost:_quadrangle_8) [ Array<unsigned int> [ + id : mesh:connectivities:_quadrangle_8 + size : 4 + nb_component : 8 + allocated size : 2000 + memory size : 62.50KiByte + values : {{2, 10, 16, 7, 11, 17, 18, 9}, {7, 16, 4, 1, 18, 19, 6, 8}, {10, 3, 13, 16, 12, 14, 20, 17}, {16, 13, 0, 4, 20, 15, 5, 19}} ] ] ] ] GroupManager [ ] ] ] ]