ANALYSIS OF THE ATOMIC PHYSICS MODELS FOR THE MULTIGROUP OPACITIES CALCULATION

The calculation of the multigroup opacities using several different atomic physics models is the main goal of this work. The atomic data, such as energy levels, bound-electron populations, oscillator strengths and effective charges are worked out by two atomic physics models using the average-atom concept. The result achieves multifrequency opacities. These are weighted with the Planck function or the real radiation field, making up finally the multigroup opacities in the selected number of groups. © 1990, Cambridge University Press. All rights reserved.