stability_control SectionΒΆ

This section configures stability control parameters, including CFL ratios, subcycling, and instability checks.

Parameter

Description

Stability_Check

Flag to enable/disable stability checks (TRUE, FALSE).

Stability_Control

Mode for stability control (DYNAMIC, DYNAMIC-LIMITED, STATIC).

Stability_MindZdT

Minimum elevation time derivative for 2D stability control (default: 1.e-04 m/s).

Stability_Start

Start latency for stability checks (default: 0 s).

SubcyclingCFLratio

Ratio to compare CFL and time step (default: 2).

Max_Delta_Elevation

Maximum delta elevation for stability (default: 4.0 m).

Max_Delta_Currents

Maximum delta currents for stability (default: 4.0 m/s).

Max_Delta_Period

Maximum delta period for stability (default: 3600.0 s).

maximum_admissible_elevation

Maximum admissible elevation for stability (default: 20.0 m).

persistence

Persistence duration of previously unstable nodes in subcycling (default: 6.0 hours).

SubcyclingTemporization

Maximum successive subcycling reprocessing (default: 10).

SubcyclingExtension

Minimum neighbor band between subcycle mesh limits (default: 5).

SubcyclingLockLimit

Lock limit for unstable nodes (default: 5).

CFL_min_depth

Minimum depth for CFL (default: 4.0 m).

CFL_depth_offset

Depth offset for CFL (default: 0.0 m).

CFL_velocity

Velocity for CFL (default: 0.0 m/s).

ArchiveSubcyclingMesh

Flag to archive subcycling mesh (TRUE, FALSE).

ArchiveSubcyclingLevels

File for subcycling levels archive.

ReloadSubcyclingLevels

File for subcycling levels reload.