Multidimensional radiation transfer in the inhomogeneous stellar atmospheres

Details Multidimensional radiation transfer in the inhomogeneous stellar atmospheres Multidimensional radiation transfer in the inhomogeneous stellar atmospheres

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kfnts...3..466s&link_type=abstract

Kinematika i Fizika Nebesnykh Tel, Suppl, no. 3, p. 466-467

Physics

Scientific paper

We solved 2D non-equilibrium radiation transfer problem for different atmosphere models. 2D NLTE radiation transfer problem is solved by using multigrid techniques. On the each grid the solution is found by the accelerated Λ-iteration method. For the formal solution of the radiation transfer problem the short characteristics method is used; we also used the linear convergence improvement procedure. The solution convergence is fast for all the atmosphere models that were tested. We considered influence of NLTE effects on the Fe I equivalent width spatial variations over granular intergranular layers in the solar atmosphere.

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