MAICRM：快速模拟热稠密等离子体的通用模型
MAICRM : A general model for rapid simulation of hot dense plasmas
摘要：
本文提出了一个通用的模型--多平均离子碰撞辐射模型（MAICRM），用于快速模拟高温稠密等离子体的电离和粒子数分布。在MAICRM中，处于相同电荷阶段的离子的轨道占据数被平均并由激发和去激发过程确定;平均离子的布居数由电离和复合过程确定，每个离子中的固定轨道平均占据数。计算的平均电离度和电荷态分布的MAICRM与其他理论和实验结果基本一致，特别是对中等和高密度等离子体。由于MAICRM比平均原子模型考虑了更详细的跃迁和电离平衡，并且比DCA/SCA模型更快，因此该模型具有结合到流体动力学模拟中的优势。
英文摘要：
We propose a general model, Multi-Average Ion Collisional-Radiative Model (MAICRM), to rapid simulate the ionization and population distributions of hot dense plasmas. In MAICRM, the orbital occupation numbers of ions at the same charge stage are averaged and determined by the excitation and de-excitation processes; the populations of the average ions are determined by the ionization and recombination processes with the fixed orbital average occupation numbers in each ion. The calculated mean ionizations and charge state distributions of MAICRM are in general agreement with the other theoretical and experimental results especially for the mid- and high-density plasmas. Since MAICRM considers more detailed transitions and ionization balances than the average atom model and is faster than DCA/SCA models, this model has the advantage to be combined into hydrodynamic simulations.
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