B) Chained, no edge flux #1
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Trying to get model closer to Horsten thesis (2019). The net effect of these changes is to: - Increase heat conduction by 5/3 - Increase heat advection by 5/3 - Increase viscosity by 5/2 - Add viscous heating The atomic rates used in diffusion, viscosity, and heat conduction coefficients are still different from Horsten 2019.
Convert from viscous heating power to rate of change of pressure.
Intended to be similar to Wim Van Uytven et al "Assessment of advanced fluid neutral models for the neutral atoms in the plasma edge and application in ITER geometry" Nucl. Fusion 62 (2022) 086023 Significantly slows convergence; may be something wrong in implementation.
Previous commit accidentally reversed the sign of the cross-field particle flow, resulting in very poor convergence. Flux limits are now enabled by default.
- This is for testing and the Rnn term may be removed permanently later - The AFN limiters don't have this.
- For testing
Check if float option is < 0 rather than equal to -1. Remove some unused and commented-out code.
Flux limited particle flux is used in momentum flux before the momentum flux is limited. Particle flux limiter applied to advection of momentum and pressure.
Applies a time-averaging to the flux limit factors, with a given timescale. Doesn't appear to have much benefit in quick tests, but left in and turned off by default. May be removed if it really doesn't do anything useful.
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Updated description to clarify that latest fast recycling is included |
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For testing purposes only
Has latest mas 10000 ter with latest fast recycling: boutproject@818976d
And has chained limiters before further updates: boutproject@c8a7051
Now it also has the ability to have separate conduction, convection and momentum limiters.