{
  "schema": "ac14-linear-streaming-input-v1",
  "kind": "authored synthetic linear two-fluid benchmarks, not observed disk fields",
  "units": {"time": "inverse orbital angular frequency", "length": "eta times reference orbital radius", "velocity": "eta times Keplerian speed", "density": "relative perturbations about uniform gas and dust", "ansatz": "exp(sigma*t+i*k.x); growth=real(sigma)", "sound_speed": "20 in eta*vK units for the weakly compressible eight-root comparison"},
  "cases": [
    {"name": "linA", "stokes": 0.1, "loading": 3.0, "kx": 30.0, "kz": 30.0, "published_full_growth": 0.4190091323, "published_yj_growth": 0.4190204},
    {"name": "linB", "stokes": 0.1, "loading": 0.2, "kx": 6.0, "kz": 6.0, "published_full_growth": 0.0154862262, "published_yj_growth": 0.0154764}
  ],
  "grid": {"resolutions": [16, 32, 64], "end_time": 4.0, "step": 0.005, "seed_density_amplitude": 0.000001, "bound": "one periodic wavelength in both radial and vertical directions; all three velocity components", "equations": "linear incompressible gas plus pressureless dust; centered finite differences and discrete Fourier incompressibility projection"},
  "sources": {"original": "https://arxiv.org/pdf/astro-ph/0409263v1", "full_benchmark": "https://arxiv.org/pdf/1811.07925v3", "published_convention": "2019 Table4 and AppendixE retain gas-density feedback; Section3.5.3 equation86 explains difference from2007Table1"}
}