| Operator Name | Description |
|---|---|
| fel_div, laplacian | Alternative names for the finite element discretization of the divergence operator. Computes -divergence |
| box_div, box_laplacian | Alternative names for the finite volume discretization of the divergence operator. Computes -divergence |
| volume, nodal,
diagonalweight |
Alternative names for the finite volume discretization of the nodal-weighting operator |
| transient, gnodal,
gvolume |
Alternative names for the transient operator |
| convection | Finite element discretization of the grid convection operator |
| box_convection | Finite volume discretization of the grid convection operator |
| interface | Finite volume discretization of nodal boundary conditions |
| dirichlet | Enforce Dirichlet boundary conditions |
| constraint | Enforce a constraint on nodal values across an interface |
| dummy | Identity operator (multiplies term by unity; usually used only with functions, not PDE terms) |