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cartesian_nonuniform_1d cartesianfinite_difference DD2 dirichletneumannzero_fluxzero_gradient
Non-uniform 1-D Cartesian grid with consumer-supplied edge geometry: N cell-centered points whose spacing varies along x.
cartesian_uniform_1d cartesianfinite_differencefinite_volume DD2fluxgrad_normlimiterreconstructvarcoeff_laplacian dirichletinflowneumannperiodiczero_fluxzero_gradient
Uniform 1-D Cartesian grid with consumer-supplied extent: N cell-centered points, cell centers x_i = x0 + (i - 1/2) dx.
cartesian_uniform_2d cartesianfinite_difference DD2Dxygrad_normvarcoeff_laplacian dirichletneumannperiodiczero_fluxzero_gradient
Uniform 2-D Cartesian grid with consumer-supplied extent: NX by NY cell-centered points, cell centers (x_i, y_j) = (x0 + (i - 1/2) dx, y0 + (j - 1/2) dy).
duo duofinite_volume arc_lengthbasis_coscorner_fillcrossflux_divergencehalo_extendkinetic_energymetricmomentum_umomentum_vpgrad_direct_upgrad_direct_vpgrad_l97_upgrad_l97_vreconstructriemannspherical_angletangentupwindwavespeedwind_assywind_rotatewind_solve duo
Generic gnomonic cubed-sphere grid with the duo-grid halo system of Chen (2021): six N-by-N tiles interlocked in the 'staircase' arrangement, 6 N^2 cells, unstaggered (A-grid) so every prognostic variable is collocated at cell centres.
latlon finite_differencefinite_volumelatlon DD2laplacian periodiczero_gradient
Uniform longitude-latitude grid with consumer-supplied extent (global or regional).
latlon3d finite_differencefinite_volumelatlon Dadvectiondivfluxlimiterreconstructvarcoeff_laplacian inflowno-fluxperiodicrobinzero-gradientzero_gradient
Three-dimensional longitude-latitude-level grid: the 2-D grids/latlon horizontal mesh extended with a vertical `lev` axis, for 3-D tracer transport on a lat-lon model such as GEOS-Chem Classic.