Spherical Radiative Transfer in C++ (SRTC++): A Parallel Monte Carlo Radiative Transfer Model for Titan

We present a new computer program, SRTC++, to solve spatial problems associated with explorations of Saturn's moon Titan. The program implements a three-dimensional structure well-suited to addressing shortcomings arising from plane-parallel radiative transfer approaches. SRTC++'s design u...

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Bibliographic Details
Published in:The Astronomical journal 2018-06, Vol.155 (6), p.264
Main Authors: Barnes, Jason W., MacKenzie, Shannon M., Young, Eliot F., Trouille, Laura E., Rodriguez, Sèbastien, Cornet, Thomas, Jackson, Brian K., Ádámkovics, Máté, Sotin, Christophe, Soderblom, Jason M.
Format: Article
Language:English
Subjects:
ALBEDO
Astronomy
Astrophysics
C (programming language)
COMPUTER CODES
Computer simulation
Earth and Planetary Astrophysics
MATHEMATICAL METHODS AND COMPUTING
Meteorological satellites
MONTE CARLO METHOD
MOON
Non-Lambertian surfaces
Nonuniformity
Object oriented programming
Object-oriented languages
PARALLEL PROCESSING
Physics
planets and satellites: individual (Titan)
PROGRAMMING LANGUAGES
RADIANT HEAT TRANSFER
Radiative transfer
REFLECTION
Saturn
SATURN PLANET
THREE-DIMENSIONAL CALCULATIONS
Titan
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Summary:We present a new computer program, SRTC++, to solve spatial problems associated with explorations of Saturn's moon Titan. The program implements a three-dimensional structure well-suited to addressing shortcomings arising from plane-parallel radiative transfer approaches. SRTC++'s design uses parallel processing in an object-oriented, compiled computer language (C++) leading to a flexible and fast architecture. We validate SRTC++ using analytical results, semianalytical radiative transfer expressions, and an existing Titan plane-parallel model. SRTC++ complements existing approaches, addressing spatial problems like near-limb and near-terminator geometries, non-Lambertian surface phase functions (including specular reflections), and surface albedo nonuniformity.
ISSN:0004-6256
1538-3881
1538-3881
DOI:10.3847/1538-3881/aac2db