fv_dynamics

DynamicalCore

Corresponds to fv_dynamics in original Fortran sources.

__init__(comm, grid_data, stencil_factory, quantity_factory, damping_coefficients, config, phis, state, timestep, checkpointer=None)

Parameters:

Name	Type	Description	Default
comm	Communicator	object for cubed sphere or tile inter-process communication	required
grid_data	GridData	metric terms defining the model grid	required
stencil_factory	StencilFactory	creates stencils	required
damping_coefficients	DampingCoefficients	damping configuration/constants	required
config	DynamicalCoreConfig	configuration of dynamical core, for example as would be set by the namelist in the Fortran model	required
phis	Quantity	surface geopotential height	required
state	DycoreState	model state	required
timestep	timedelta	model timestep	required
checkpointer	Optional[Checkpointer]	if given, used to perform operations on model data at specific points in model execution, such as testing against reference data	None

step_dynamics(state, timer=NullTimer())

Step the model state forward by one timestep.

Parameters:

Name	Type	Description	Default
timer	Timer	keep time of model sections	NullTimer()
state	DycoreState	model prognostic state and inputs	required

log_on_rank_0(msg)

Print when rank is 0 - outside of DaCe critical path

omega_from_w(delp, delz, w, omega)

Parameters:

Name	Type	Description	Default
delp	in	vertical layer thickness in Pa	required
delz	in	vertical layer thickness in m	required
w	in	vertical wind in m/s	required
omega	out	vertical wind in Pa/s	required

pt_to_potential_density_pt(pkz, dp_initial, q_con, pt)

Parameters:

Name	Type	Description	Default
pkz	in		required
dp_initial	in		required
q_con	in		required
pt	out	temperature when input, "potential density temperature" when output	required