File evolve_momentum.hxx
Defines
-
EVOLVE_MOMENTUM_H
-
struct EvolveMomentum : public Component
- #include <evolve_momentum.hxx>
Evolve parallel momentum.
Public Functions
-
EvolveMomentum(std::string name, Options &options, Solver *solver)
-
virtual void transform(Options &state) override
This sets in the state
species
<name>
momentum
velocity if density is defined
-
virtual void finally(const Options &state) override
Calculate ddt(NV).
Inputs
species
<name>
density
velocity
pressure (optional)
momentum_source (optional)
sound_speed (optional, used for numerical dissipation)
temperature (only needed if sound_speed not provided)
fields
phi (optional)
-
virtual void outputVars(Options &state) override
Add extra fields for output, or set attributes e.g docstrings.
Private Members
-
std::string name
Short name of species e.g “e”.
-
Field3D NV
Species parallel momentum (normalised, evolving)
-
Field3D NV_err
Difference from momentum as input from solver.
-
Field3D NV_solver
Momentum as calculated in the solver.
-
Field3D V
Species parallel velocity.
-
Field3D momentum_source
From other components. Stored for diagnostic output.
-
bool bndry_flux
-
bool poloidal_flows
-
BoutReal density_floor
-
bool low_n_diffuse_perp
Cross-field diffusion at low density?
-
BoutReal pressure_floor
-
bool low_p_diffuse_perp
Cross-field diffusion at low pressure?
-
BoutReal hyper_z
Hyper-diffusion.
-
bool diagnose
Output additional diagnostics?
-
bool fix_momentum_boundary_flux
Fix momentum flux to boundary condition?
-
Field3D flow_xlow
-
Field3D flow_ylow
Momentum flow diagnostics.
-
EvolveMomentum(std::string name, Options &options, Solver *solver)