| Baroclin | Solve the two-dimensional baroclinic atmosphere equations |
| BarVortex | Solve the Barotropic vorticity equation |
| Chafe | Chafe-Infante equation on flat domain |
| phelm::Element | Destination of this structure is finite-element matrix changing |
| Laplace | Laplace operator on a flat domain |
| phelm::Matrix | Matrix class |
| phelm::Mesh | Mesh class |
| phelm::MeshPoint | A point of a manifold can be included into multiple subdomains |
| phelm::Point | Point class represents a 2-dimensional point on a plane |
| phelm::Polynom | Polynom of variables (x, y) |
| Sparse | Sparse Matrix structure |
| SphereChafe | Chafe-Infante equation on sphere |
| SphereJacobian | Calculate the jacobian on a sphere |
| SphereLaplace | Spherical Laplace operator |
| SphereNorm | A fast spherical norm calculator |
| phelm::Triangle | Triangle class |