| Name | Description |
|---|---|
| Axis | Enumeration for Cartesian axes |
| Orient | Enumeration for orientations relative to a boundary |
| Side | Enumeration for sides of a region or subregion |
| ConsThermo | Options for the conservation of material or energy |
| ConsTrans | Options for the conservation of momentum |
| Init | Methods of initializing a thermodynamic quantity (material or energy) |