Cubed_sphere
- covariant_laplacian_cubed_sphere
finite_difference
cubed_sphere
scheme
O(h²)
9-point covariant Laplacian on the gnomonic cubed sphere — orthogonal + cross-metric corrections from the inverse metric tensor.
- Cubed-sphere
cubed_sphere
grid
Six gnomonic panels covering the sphere; in-panel curvilinear (ξ, η) coordinates with cross-panel ghost stitching.