general Section

This section configures general model settings, including time steps, mesh files, solver types, and parallelization options.

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Parameter	Description
rootname	Root name for grid files.
time_step	Main time step for the model (default: NONE, in seconds).
sub_time_step	Sub-time step for the model (default: $TimeStep/3.0, in seconds).
nSubCycles	Number of sub-cycles (default: 1).
time_origine	Time origin for the simulation (default: 1950-01-01 00:00:00).
mesh_format	Format of the mesh file (nei, nod, nc).
mesh_type	Type of mesh (LINEAR, TRIANGULAR, QUADRANGULAR, MIXED, STRUCTURED).
mesh_meta	Input-output variable names for structured mesh.
mesh_file	Alternative path for grid file (only for mesh_format=nei).
mesh_proj4	PROJ4 parameters for Cartesian grids.
bel_file	BEL file for mesh.
topo_file	Bathymetry file.
slope_file	Bathymetry gradient file.
zmin_file	Minimum elevation file.
relative_minimum_depth	Minimum depth relative to minimum elevation (default: 5.0 m).
minimum_depth	Overall minimum depth in model bathymetry (default: 10.0 m).
run_duration	Run duration for the simulation (default: 48.0 hours).
spin_up	Spin-up duration for cold start (default: 48.0 hours).
spin_up_mode	Mode for spin-up (LINEAR, COSINE).
cold_start_ssh	Cold start sea surface height filename.
restart_file	Restart file or flag for cold start (COLD-START, FILE).
restart_format	Format of restart file (NETCDF, CLX).
ContinuationFlag	Flag to enable/disable rolling continuation files (ENABLED, DISABLED).
continuation_file	Root name for restart files (default: tugo_restart).
continuation_format	Format for restart files (NETCDF, CLX).
continuation_interval	Interval for restart files (default: 10800.0 s).
automatic_interval	Automatic interval for restart files (HOURLY, DAILY, WEEKLY, MONTHLY, YEARLY).
output_path	Default path for model outputs (default: .).
solver_type	Solver type for implicit linear systems (DOMESTIC, LAPACK, SUNPERF, UMFPACK, PETSC_GMRES, TUGO_GMRES, MUMPS, MUMPS_SYM, SpDOMESTIC, HIPS, PASTIX, AUTO).
sub_solver_type	Sub-solver type for sub-cycling (AUTO, DOMESTIC, LAPACK, SUNPERF, UMFPACK, PETSC_GMRES, TUGO_GMRES, MUMPS, MUMPS_SYM, SpDOMESTIC, HIPS, PASTIX).
auxilliary_solver_type	Auxiliary solver type (AUTO, DOMESTIC, LAPACK, SUNPERF, UMFPACK, PETSC_GMRES, TUGO_GMRES, MUMPS, MUMPS_SYM, SpDOMESTIC, HIPS, PASTIX).
SolverShowPerfs	Flag to display solver performance (0 for no display).
solver_mode	Solver mode (AUTO, SEQUENTIAL, PARALLEL).
mode	Simulation mode (NO-DYNAMIC, 2D, 3D-BAROTROPIC, 3D-DIAGNOSTIC, 3D-PROGNOSTIC).
compressibility	Compressibility mode (BOUSSINESQ, COMPRESSIBLE).
pressure_mode	Pressure mode (HYDROSTATIC, NON-HYDROSTATIC).
wetting_drying	Wetting/drying capability (DISABLED, ENABLED).
OPENMP_nCPUsMax	Maximum number of CPUs for OpenMP (default: -1).
ProcessPartitioning	Flag to use METIS for process partitioning (TRUE, FALSE).
UnpartitionedProcessing	Mode for global information processing (COLLECTIVE, NODE, CLUSTER).
PartitionBalancing	Flag to balance extra-load due to sub-cycling (TRUE, FALSE).
ParallelMatrixDistribution	Matrix distribution in parallel solver (AUTO, CENTRALIZED, DISTRIBUTED).
ParallelRHSDistribution	RHS distribution in parallel solver (AUTO, CENTRALIZED, DISTRIBUTED).
ParallelSolutionDistribution	Solution distribution in parallel solver (AUTO, CENTRALIZED, DISTRIBUTED).
MetisPath	Path to METIS partitioner (mpmetis).
ArchivePartitionedMesh	Flag to archive MPI partition mesh (TRUE, FALSE).
ArchiveMeshPartition	Flag to archive mesh MPI partition (TRUE, FALSE).
PartitionMinElements	Minimum number of elements per partition (default: 2000).
3d_pressure	Flag for 3D pressure (TRUE, FALSE).
echo_file	Echo filename (default: tugo.echo).
CompatibilityScale	Compatibility scale (default: 1.0, dimensionless).
Stream_TMPDIR	Temporary directory for stream access (AUTO, NONE, <dirname>).