Random forcing with a constant power input for two-dimensional gyrokinetic simulations
Abstract
A method of random forcing with a constant power input for two-dimensional gyrokinetic turbulence simulations is developed for the study of stationary plasma turbulence. The property that the forcing term injects the energy at a constant rate enables turbulence to be set up in the desired range and energy dissipation channels to be assessed quantitatively in a statistically steady state. Using the developed method, turbulence is demonstrated in the large-scale fluid and small-scale kinetic regimes, where the theoretically predicted scaling laws are reproduced successfully.
- Publication:
-
Journal of Plasma Physics
- Pub Date:
- March 2021
- DOI:
- arXiv:
- arXiv:2011.05603
- Bibcode:
- 2021JPlPh..87b9010N
- Keywords:
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- plasma nonlinear phenomena;
- Physics - Plasma Physics
- E-Print:
- 22 pages, 9 figure, submitted to J. Plasma Phys.