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Variability from Nonaxisymmetric Fluctuations Interacting with Standing Shocks in Tilted Black Hole Accretion Disks
Ken B. Henisey, Omer M. Blaes, P. Chris Fragile
We study the spatial and temporal behavior of fluid in fully three-dimensional, general relativistic, magnetohydrodynamical simulations of both tilted and untilted black hole accre…
Three-Dimensional Moving-Mesh Simulations of Galactic Center Cloud G2
Peter Anninos, P. Chris Fragile, Julia Wilson +1
Using three-dimensional, moving-mesh simulations, we investigate the future evolution of the recently discovered gas cloud G2 traveling through the galactic center. We consider the…
No Correlation Between Disc Scale-Height and Jet Power in GRMHD Simulations
P. Chris Fragile, Julia Wilson, Marco Rodriguez
It is now well established that changes in the X-ray spectral state of black hole low-mass X-ray binaries are correlated with changes in the radio properties of those systems. Assu…
Numerical Simulations of Optically Thick Accretion onto a Black Hole - I. Spherical Case
P. Chris Fragile, Anna Gillespie, Timothy Monahan +2
Modeling the radiation generated by accreting matter is an important step towards realistic simulations of black hole accretion disks, especially at high accretion rates. To this e…
Radiative Models of Sagittarius A* and M87 from Relativistic MHD Simulations
Jason Dexter, Eric Agol, P. Chris Fragile +1
Ongoing millimeter VLBI observations with the Event Horizon Telescope allow unprecedented study of the innermost portion of black hole accretion flows. Interpreting the observation…