129 citations · 390 across the 10 of their papers we have counts for
10 papers
A framework for the evaluation of turbulence closures used in mesoscale ocean large-eddy simulations
Jonathan Pietarila Graham, Todd Ringler
We present a methodology to determine the best turbulence closure for an eddy-permitting ocean model through measurement of the error-landscape of the closure's subgrid spectral tr…
High Reynolds number magnetohydrodynamic turbulence using a Lagrangian model
J. Pietarila Graham, P. D. Mininni, A. Pouquet
With the help of a model of magnetohydrodynamic (MHD) turbulence tested previously, we explore high Reynolds number regimes up to equivalent resolutions of 6000^3 grid points in th…
The small-scale solar surface dynamo
Jonathan Pietarila Graham, Sanja Danilovic, Manfred Schuessler
The existence of a turbulent small-scale solar surface dynamo is likely, considering existing numerical and laboratory experiments, as well as comparisons of a small-scale dynamo i…
Turbulent small-scale dynamo action in solar surface simulations
Jonathan Pietarila Graham, Robert Cameron, Manfred Schuessler
We demonstrate that a magneto-convection simulation incorporating essential physical processes governing solar surface convection exhibits turbulent small-scale dynamo action. By p…
Modeling of anisotropic turbulent flows with either magnetic fields or imposed rotation
A. Pouquet, J. Baerenzung, J. Pietarila Graham +3
We present two models for turbulent flows with periodic boundary conditions and with either rotation, or a magnetic field in the magnetohydrodynamics (MHD) limit. One model, based…
Three regularization models of the Navier-Stokes equations
J. Pietarila Graham, Darryl Holm, Pablo Mininni +1
We determine how the differences in the treatment of the subfilter-scale physics affect the properties of the flow for three closely related regularizations of Navier-Stokes. The c…