论文标题

随机强迫持续的功率输入进行二维陀螺仪模拟

Random forcing with a constant power input for two-dimensional gyrokinetic simulations

论文作者

Numata, Ryusuke

论文摘要

开发了一种具有恒定功率输入的随机强迫方法,用于研究固定血浆湍流的研究。强迫项以恒定速率注入能量的性质使得可以在所需范围内设置湍流,并在统计稳定的状态下定量评估能量耗散通道。使用开发的方法,证明了大规模流体和小规模动力学方案中的湍流,其中理论上预测的缩放定律成功地得到了复制。

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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