Computer Science – Performance
Scientific paper
Oct 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...233..649b&link_type=abstract
Astrophysical Journal, Part 1, vol. 233, Oct. 15, 1979, p. 649-660.
Computer Science
Performance
81
Curve Fitting, Energy Absorption, Monte Carlo Method, Parallel Plates, Performance Prediction, Resonance Scattering, Computerized Simulation, Optical Thickness, Slabs, Spectral Energy Distribution, Spectral Line Width
Scientific paper
Monte Carlo calculations are carried out for resonance scattering inside a plane-parallel slab for a large range of values of optical half-thickness tau 1/2. Analytical fitting formulae are presented for a number of quantities as functions of tau 1/2 and of the damping constant a, all for tau 1/2 much greater than unity but arbitrary values of tau 1/2a. These quantities include the number of scatterings, the total path length, and the line width of emerging photons. Separate calculations are carried out for slabs also containing true absorbers and for differentially expanding slabs. Fitting formulas are presented for these cases in terms of an additional dimensionless parameter, all for tau 1/2 much greater than unity.
Bonilha R. M. J.
Ferch R.
Noerdlinger Peter D.
Salpeter Edwin E.
Slater Greg
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