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The weakly nonlinear magnetorotational instability in a local geometry
S. E. Clark, Jeffrey S. Oishi
The magnetorotational instability (MRI) is a fundamental process of accretion disk physics, but its saturation mechanism remains poorly understood despite considerable theoretical…
The weakly nonlinear magnetorotational instability in a global, cylindrical Taylor-Couette flow
S. E. Clark, Jeffrey S. Oishi
We conduct a global, weakly nonlinear analysis of the magnetorotational instability (MRI) in a Taylor-Couette flow. This is a multiscale perturbative treatment of the nonideal, axi…
Hybrid Adaptive Ray-Moment Method (HARM): A Highly Parallel Method for Radiation Hydrodynamics on Adaptive Grids
Anna L. Rosen, Mark R. Krumholz, Jeffrey S. Oishi +2
We present a highly-parallel multi-frequency hybrid radiation hydrodynamics algorithm that combines a spatially-adaptive long characteristics method for the radiation field from po…
Turbulent Chemical Diffusion in Convectively Bounded Carbon Flames
Daniel Lecoanet, Josiah Schwab, Eliot Quataert +6
It has been proposed that mixing induced by convective overshoot can disrupt the inward propagation of carbon deflagrations in super-asymptotic giant branch stars. To test this the…