DISCO: A 3D Moving-Mesh Magnetohydrodynamics Code Designed for the Study of Astrophysical Disks

Understand

This work presents the publicly available moving-mesh magnetohydrodynamics code DISCO.

• DISCO is efficient and accurate at evolving orbital fluid motion in two and three dimensions, especially at high Mach number.
• DISCO employs a moving-mesh approach utilizing a dynamic cylindrical mesh that can shear azimuthally to follow the orbital motion of the gas.
• The moving mesh removes diffusive advection errors and allows for longer timesteps than a static grid.