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Fast ray tracing code for LHCD simulations

A.R. Esterkin, A.D. Piliya1996年被引用 49Nuclear FusionIF 3出版社

A new numerical code for LHCD simulations is described. The code uses the standard simulation model based on combined ray tracing and Fokker-Planck calculations; however, its performance is improved considerably by modification of the numerical concept. In particular, the speed is enhanced by two orders of magnitude and any required number of iterations necessary for finding a self-consistent solution is feasible. The code predicted electron distribution function and quasi-linear diffusion coefficient are compared with an analytical solution in the important transition region close to the lower end of the plateau. The relation between the simulation results and the general ray dynamics is discussed

日本語訳

LHCDシミュレーションのための新しい数値コードについて述べる。このコードは、光線追跡とフォッカー=プランク計算を組み合わせた標準的なシミュレーションモデルを用いているが、数値的概念の修正により、その性能は大幅に向上している。特に、速度は2桁向上し、自己無撞着解を見つけるために必要な任意の回数の反復が実行可能である。このコードによって予測された電子分布関数および準線形拡散係数は、プラトーの下端近傍の重要な遷移領域における解析解と比較される。シミュレーション結果と一般的な光線力学との関係についても議論する。

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Fusion Advanced Studies TorusLower hybrid current drive
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