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Table 1
Notations.
| Notation | Definition | Eq. # |
|---|---|---|
| fd/p | Silicate dust mass fraction in a pebble | |
| beyond the snow line [ = 0.5 (nominal)] | ||
| Fp/g | Pebble-to-gas mass flux in the disk | (4) |
| (= Ṁp∕Ṁg) | ||
| ZΣ | Vertically averaged dust-to-gas mass ratio | (3) |
| (= Σd∕Σg) | ||
| Z | Local dust-to-gas mass ratio | (5) |
| (= ρd∕ρg = ZΣ∕hd/g) | ||
| Λ | Parameter for the solid particle inertia | (10) |
| [= ρg∕(ρd + ρg) = 1∕(1 + Z)] | ||
| Cη | Power index of pressure gradient | (8) |
| [= −(1∕2)(∂lnP∕∂lnr);= 11∕8(nominal)] | ||
| αacc | α-parameter for disk gas accretion | (9) |
| αDr | α-parameter for radial mixing | |
| αDz | α-parameter for vertical stirring | |
 |
Maximum value of ρd∕ρg in all the grids | |
| (usually, at the grid of (x, z) ~ (0, 0)) | ||
| hd/g | Dust-to-gas scale height ratio (= Hd∕Hg) | (12) |
| hd/g,0 | hd/g at x with  |
|
| hp/g | Pebble-to-gas scale height ratio (= Hp∕Hg) | (19) |
| τs,p | Stokes number of pebbles [ = 0.1 (nominal)] | |
| τs,d | Stokes number of dust [ = 10−5 (nominal)] | |
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