Just a Phase? Weakening Vertical Shear Instability Explains Class II Disk Morphologies: Simulations with dust coagulation, sedimentation, thermal relaxation, and backreaction

arXiv:2609.28618 · astro-ph.EP · Submitted 2026-09-23 · Read on arXiv

astro-ph.EP

Submitted: 2026-09-23

Updated: 2026-10-06

Code: https://github.com/alexziab/pyFLD

Terminology

• Decoupling — 4× in this paper · explained in 2 episodes
• Vertical Shear Instability — 4× in this paper
• Diffusion Model — 2× in this paper · explained in 8 episodes
• Diffusion Models — 1× in this paper · explained in 6 episodes

Sources

• A Framework to Model Stellar Irradiated Disks with Frequency-dependent Absorption and Scattering Opacities in Athena++
• Hydro-, Magnetohydro-, and Dust-Gas Dynamics of Protoplanetary Disks

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