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Self-Consistent Hot Spot Tracing in Kinetic Simulations: A Method toImprove the Test Particles Method

机译:动力学模拟中的自洽热点跟踪:改进测试粒子方法的一种方法

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One of the most important advantages of particle simulation as compared to fluid simulation is the capacity forworking with and tracing particles. In particle simulations, the test particle method is usually used to get some idea of thebehavior of plasma or other substances. In this method, first, a small number of particles are injected into the frame offixed electromagnetic fields. Then, movement of particles is investigated using the pattern of their electric fields. Thismethod is useful; however, as we need to work with fixed fields in our system, it lacks precision. In this work, we adaptedthe particle simulations method, adding the flexibility of working with dynamic fields that come directly from thesimulation.Here we have tried to investigate particle entry from the solar wind with northward Interpanetary Magnetic Filed (IMF) tothe magnetospheric cusp. As our initial results shows, self consistent path of particles does not follow the magnetic fieldlines going to the cusp that is slightly in contrast to the conventional non self consistent results from test particle method.
机译:与流体模拟相比,粒子模拟的最重要优点之一是具有处理和跟踪粒子的能力。在粒子模拟中,通常使用测试粒子方法来了解血浆或其他物质的行为。在这种方法中,首先,将少量粒子注入固定电磁场的框架中。然后,使用粒子的电场模式研究粒子的运动。该方法很有用;但是,由于我们需要在系统中使用固定字段,因此它缺乏精度。在这项工作中,我们改编了粒子模拟方法,增加了直接使用模拟产生的动态场的灵活性。在这里,我们尝试研究了从具有北向磁通场(IMF)的太阳风到磁层尖端的粒子进入。如我们的初步结果所示,粒子的自洽路径没有遵循磁力线到达尖端,这与测试粒子方法的常规非自洽结果略有不同。

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