A Fast Implicit Algorithm for Highly Magnetized Charged Particle Motion

T. C. Genoni; R. E. Clark; D. R. Welch

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A Fast Implicit Algorithm for Highly Magnetized Charged Particle Motion

机译：高磁化带电粒子运动的快速隐式算法

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We describe a particle advance algorithm for particle-in-cell simulation of highly magnetized charged particles that relaxes the time step constraint due to cyclotron motion. The method preserves the correct cyclotron radius for large time steps and corrects for magnetic field gradients without requiring explicit calculation of the particle magnetic moment. Application of the algorithm is illustrated with electron and ion single particle orbit calculations in a field reversed configuration with rotating magnetic fields. This technique is efficient and applicable to massively parallel simulation.

机译：我们描述了一种用于高磁化带电粒子的单元格粒子模拟的粒子推进算法，该算法可放松由于回旋加速器运动而引起的时间步长约束。该方法可在较大的时间步长内保留正确的回旋加速器半径，并无需明确计算粒子磁矩即可校正磁场梯度。通过在具有旋转磁场的场反转配置中通过电子和离子单粒子轨道计算来说明该算法的应用。该技术是有效的，并且适用于大规模并行仿真。

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《The Open Plasma Physics Journal》 |2010年第1期|共6页
作者
T. C. Genoni; R. E. Clark; D. R. Welch;
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中图分类等离子体物理学;
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A Fast Implicit Algorithm for Highly Magnetized Charged Particle Motion

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