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Kgk collisions #40

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Merged
kgklein merged 2 commits into from
Mar 19, 2026
Merged

Kgk collisions #40

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f3780c2
adding collisional parameters
kgklein Mar 4, 2026
0203f4b
first pass at adding non-conservative krook operator to PLUME
kgklein Mar 19, 2026
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13 changes: 13 additions & 0 deletions input.md
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Expand Up @@ -27,6 +27,16 @@ Number of plasma species or components.
**`nscan`**
Number parameter or wavevector scans to execute.

**`collision_type`**
Type of collision for the system.
- 0: no collisions; standard PLUME
- 1: non-conservative Krook Operator
neutral-charged collisions only.

**`Kn`**
Neutral Knudson number over characteristic scale $(n_0 \sigma \rho_{ref})^{-1}$.
Ignored for `collision_type`=0 (collisionless evalulation).

**`option`**
Determines set of scans to perform. Choice of:

Expand Down Expand Up @@ -141,6 +151,9 @@ Relative density $n_{j}/n_{ref}$.
**`vvS`**
Drift speed parallel to mean magnetic field, normalized to the reference Alfven velocity $v_{j,drift}/v_{A,ref}$, where $v_{A,ref}=B/\sqrt{4 \pi n_{ref} m_{ref}}$

**`nunS`**
Neutral-charged species collision frequency, $\nu_{n,s}/\Omega_{ref} = n_0$


### *&scan_input_l*
Inputs for scanning parameter space for $l$th scan.
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