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arXiv 2011.05603physics.plasm-ph
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Random forcing with a constant power input for two-dimensional gyrokinetic simulations

Ryusuke Numata

英文摘要:

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 to set up turbulence in the desired range and to quantitatively assess energy dissipation channels in a statistically steady state. Using the developed method, turbulences in the large scale fluid and small scale kinetic regimes are demonstrated, where the theoretically predicted scaling laws are successfully reproduced.

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