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首页> 外文期刊>High energy density physics >Versatile code DLAYZ for investigating population kinetics and radiative properties of plasmas in non-local thermodynamic equilibrium
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Versatile code DLAYZ for investigating population kinetics and radiative properties of plasmas in non-local thermodynamic equilibrium

机译：通用代码DLAYZ，用于研究非局部热力学平衡条件下等离子体的种群动力学和辐射特性

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摘要

A versatile code DLAYZ based on collisional-radiative model is developed for investigating the population kinetics and radiative properties of plasmas in non-local thermodynamic equilibrium. DLAYZ is implemented on the detailed level accounting (DLA) approach and can be extended to detailed configuration accounting (DCA) and hybrid DLA/DCA approaches. The code can treat both steady state and time-dependent problems. The implementation of the main modules of DLAYZ is discussed in detail including atomic data, rates, population distributions and radiative properties modules. The complete set of basic atomic data is obtained using relativistic quantum mechanics. For dense plasmas, the basic atomic data with plasma screening effects can be obtained. The populations are obtained by solving the coupled rate equations, which are used to calculate the radiative properties. A parallelized version is implemented in the code to treat the large-scale rate equations. Two illustrative examples of a steady state case for carbon plasmas and a time-dependent case for the relaxation of a K-shell excited argon are employed to show the main features of the present code.
机译：开发了基于碰撞辐射模型的通用代码DLAYZ，用于研究非局部热力学平衡条件下等离子体的种群动力学和辐射特性。 DLAYZ在详细级别记帐（DLA）方法上实现，并且可以扩展到详细配置记帐（DCA）和混合DLA / DCA方法。该代码可以处理稳态问题和与时间有关的问题。详细讨论了DLAYZ的主要模块的实现，包括原子数据，速率，人口分布和辐射特性模块。使用相对论量子力学可以获得完整的基本原子数据集。对于稠密的等离子体，可以获得具有等离子体屏蔽作用的基本原子数据。通过求解耦合速率方程获得总体，该方程用于计算辐射特性。在代码中实现了并行化版本，以处理大规模速率方程。碳等离子体的稳态情况和K壳激发的氩气弛豫的时间相关情况的两个说明性示例用于显示本代码的主要特征。

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