Videos

Here you can find a selected collection of my computer simulations.

Nonlinear saturation of the streaming instability with multiple dust species

Model Af: τs,max = 0.1, ε = 2

Model B: τs,max = 1, ε = 0.2

Reference: Yang & Zhu 2021, MNRAS, 508, 5538.

Substructures of a dusty disk with an embedded planet

Mp = 0.3Mth, τs = 10−3, Z = 0.1

Mp = 1Mth, τs = 10−3, Z = 0.1

Mp = 0.3Mth, τs = 0.1, Z = 0.1

Mp = 1Mth, τs = 0.1, Z = 0.1

Reference: Yang & Zhu 2020, MNRAS, 491, 4702.

Diffusion and concentration of solids under MHD turbulence in a protoplanetary disk

Ideal MHD

Layered disk with a dead zone

Reference: Yang, Mac Low, & Johansen 2018, ApJ, 868, 27.

Concentrating small particles in protoplanetary disks

τs = 10−2, Z = 0.02

τs = 10−3, Z = 0.04

Reference: Yang, Johansen, & Carrera (2017)

Nonlinear saturation of the streaming instability with identical dust particles

Model BA: τs = 1, ε = 0.2

Model AB: τs = 0.1, ε = 1

Multiple axisymmetric dust filaments in a large patch of protoplanetary disks

Reference: Yang & Johansen 2014, ApJ, 792, 86.

Turbulent mixing driven by thermal instability in a galactic disk

With spiral potential but without magnetic field

Gas Density

Passive Scalar

With spiral potential and with magnetic field

Gas Density

Reference: Yang & Krumholz 2012, ApJ, 758, 48.

Passive Scalar