针对非平衡辐射输运多群近似计算由线截面漂移引起的计算问题，提出了可变分群方法。
This paper presents a variable multigroup method for calculation in non-equilibrium radiative transfer considered atomic line cross section shift.
针对输运修正引起的自散射截面导致的负概率抽样现象，提出了一种非负修正方法，并用基准计算验证了该方法的正确性。
Because of the phenomenon that the negative self-scattering cross sections cause the negative probability sample, a nonnegative corrected method is put forward and validated by the benchmark problems.
为确定热力参数和输运系数在各个截面上的变化规律，研究了热力组分的平衡算法，提供了简单实用的计算模型。
A simple but useful calculation model which determine thermodynamic and transportation parameters by equilibrium algorithm of thermodynamic species was presented.
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