Gyrofluid Modeling of Turbulent, Kinetic Physics

Kate Marie Despain
University of Maryland
University of Maryland, 2011


   title={Gyrofluid Modeling of Turbulent, Kinetic Physics},

   author={Despain, K.M.},



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Gyrofluid models to describe plasma turbulence combine the advantages of fluid models, such as lower dimensionality and well-developed intuition, with those of gyrokinetics models, such as finite Larmor radius (FLR) effects. This allows gyrofluid models to be more tractable computationally while still capturing much of the physics related to the FLR of the particles. We present a gyrofluid model derived to capture the behavior of slow solar wind turbulence and describe the computer code developed to implement the model. In addition, we describe the modifications we made to a gyrofluid model and code that simulate plasma turbulence in tokamak geometries. Specifically, we describe a nonlinear phase mixing phenomenon, part of the E
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