modify FFI treatment to use dt / tau - #50
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Now updated with Gail's formula |
kelslund
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Apr 2, 2026
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PR Summary
This moves the FFI treatment to a slightly more robust model where the FFI only completes on a timescale$\tau$ , rather than instantaneously. This removes the need to check that $\tau < \Delta t$ . Gail is going to suggest a more sophisticated time scale to use for this transformation.
This model essentially moves the FFI model closer to a BGK treatment in spirit.
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