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Table 2

Parameters of the laminar simulations.

R e p d ν mol Nx × Ny × Nz

100 0.8 2 × 10-3 256 × 256 × 2048
400 0.8 2 × 10-3 256 × 256 × 2048
1000 0.65 6.5 × 10-4 512 × 512 × 4096

Notes. Rep = Ucd/νmol: planetesimal Reynolds number; d: planetesimal diameter; νmol: kinematic viscosity; Nx × Ny × Nz: number of collocation points; the following parameters apply to all the three simulations: lengths of the computational domain lx × ly × lz = 2π × 2π × 16π; inflow speed Uc = 1; number of small particles Np ≈ 107.

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