2D Section

This section configures the 2D hydrodynamic model settings in T-UGOm. It includes parameters for the wave equation form, time integration schemes, discretization methods, and numerical stability controls for 2D simulations.

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Parameter	Description
WaveEquationForm	Type of continuity equation (e.g., GWE-CLX, WE-EXPLICIT, WE-IMPLICIT).
Continuity2DIntegration	Time scheme for continuity equation (FORWARD, LEAPFROG, UNSPECIFIED).
Momentum2DIntegration	Time scheme for momentum equation (FORWARD, LEAPFROG, EULER-BF).
Momentum2DMode	Option for velocity or transport in model state variables (VELOCITY, TRANSPORT).
Advection2Dmode	Advection mode (NON-CONSERVATIVE, CONSERVATIVE, LAGRANGIAN).
AdvectionDiffusionDiscretisation	Discretization method for advection-diffusion (NODE-WISE, ELEMENT-WISE).
SLVDiscretisation	Discretization for elevation/pressure/tracer (LGP0, LGP1-CG, LGP1-DG, LGP2-CG, CQP0, CQP1).
V2DDiscretisation	Discretization for velocity (LGP0, LGP1-CG, LGP1-DG, NCP1-CG, NCP1-DG, CQP0, CQP1, CQN1).
G2DDiscretisation	Discretization for velocity gradient (INTRINSIC, AUTO, LGP0, LGP1, LGP1-DG, NCP1-CG, NCP1-DG, LGP2).
WaveScalarProduct	Type of scalar product in wave equation discretization (QUADRATURE, INTEGRALE).
WaveEquationStencil	Type of pressure gradient stencil in wave equation (IMPLICIT, EXPLICIT).
tau0	Weight of the continuity equation in the generalized wave equation (default: 2e-4 s⁻¹).
theta	Semi-implicit coefficient (0 = explicit, 1 = fully implicit, default: 0.75).
BarotropicW	Flag to compute vertical velocity checks (TRUE, FALSE).
HorizontalViscMode	Horizontal viscosity mode (NONE, CONSTANT, PROPORTIONAL, SMAGORINSKY, UPWINDING).
UpwindCoefficient	Upwind coefficient for diffusion computation (default: 0.1, dimensionless).
AsselinFilteringH	Asselin filtering for elevation in Leapfrog scheme (TRUE, FALSE).
AsselinFilteringU	Asselin filtering for velocity in Leapfrog scheme (TRUE, FALSE).
AsselinCoefficientC1	Asselin coefficient for filtering (default: 0.1, dimensionless).