File electron_viscosity.hxx

File electron_viscosity.hxx#

Defines

ELECTRON_VISCOSITY_H#
struct ElectronViscosity : public Component#
#include <electron_viscosity.hxx>

Electron viscosity

Adds Braginskii parallel electron viscosity, with SOLPS-style viscosity flux limiter

Needs to be calculated after collisions, because collision frequency is used to calculate parallel viscosity

References

Public Functions

ElectronViscosity(std::string name, Options &alloptions, Solver*)#

Inputs

  • <name>

    • diagnose: bool, default false Output diagnostic SNVe_viscosity?

    • eta_limit_alpha: float, default -1.0 Flux limiter coefficient. < 0 means no limiter

virtual void transform(Options &state) override#

Inputs

  • species

    • e

      • pressure (skips if not present)

      • velocity (skips if not present)

      • collision_frequency

Sets in the state

  • species

    • e

      • momentum_source

virtual void outputVars(Options &state) override#

Add extra fields for output, or set attributes e.g docstrings.

Private Members

BoutReal eta_limit_alpha#

Flux limit coefficient.

bool diagnose#

Output viscosity diagnostic?

Field3D viscosity#

The viscosity momentum source.

Contents