Computer Science
Scientific paper
Jul 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jqsrt..40...21k&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer (ISSN 0022-4073), vol. 40, July 1988, p. 21-28.
Computer Science
8
Anisotropic Media, Light Scattering, Radiative Transfer, Scattering Functions, Subtraction, Wave Diffraction, Delta Function, Heat Flux, Mie Scattering, Monte Carlo Method, Surface Properties
Scientific paper
The diffraction-scattering subtraction method for performing rapid yet accurate radiative flux calculations for highly anisotropic phase functions is presented. In this method, the phase function for a scattering medium consisting of large absorbing spheres is decomposed into diffraction-scattering and surface-scattering phase functions, with the former approximated by a Dirac delta-function. Utilizing this approximation, we derive a new equation of transfer that involves the surface-scattering phase function alone, which may be readily solved by conventional procedures because highly anisotropic scattering problems are transformed to moderately anisotropic scattering problems. To confirm the validity of the proposed method, the original and transformed transfer problems for scattering media consisting of large metallic spheres were solved also by using the Monte Carlo method.
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