The role of ray effects and false scattering on the accuracy of the standard and modified discrete ordinates methods
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Keeping angular discretization coarse can lead to significant errors in the computed radiation field, particularly for small or diffuse light sources.
“In order to save computational resources, the angular discretization might be kept coarse, which, however, can lead to significant errors in the computed radiation field, particularly in case of small or diffuse light sources [204-206].”
From Modeling and Simulation of Photobioreactors with Computational Fluid Dynamics—A Comprehensive Review (2022) · cites this paper as [205]
Cites
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Discrete-Ordinates Solutions of the Radiative Transport Equation for Rectangular Enclosures
Fiveland, W. A. (1984) · ASME Journal of Heat and Mass Transfer · doi:10.1115/1.3246741 · Cited by 620 · see citing works
Ray Effect and False Scattering in the Discrete Ordinates Method
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The TN Quadrature Set for the Discrete Ordinates Method
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Radiative transfer in a two-dimensional rectangular medium exposed to diffuse radiation
Crosbie, A. L., & Schrenker, R. G. (1984) · Journal of Quantitative Spectroscopy and Radiative Transfer · doi:10.1016/0022-4073(84)90095-5 · Cited by 131 · see citing works
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SPATIAL DIFFERENCING SCHEMES OF THE DISCRETE-ORDINATES METHOD
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Bounded, High-Resolution Differencing Schemes Applied to the Discrete Ordinates Method
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Modeling and Simulation of Photobioreactors with Computational Fluid Dynamics—A Comprehensive Review
Luzi, G., & McHardy, C. (2022) · Energies · doi:10.3390/en15113966 · Cited by 44 · see citing works
Numerical smearing, ray effect, and angular false scattering in radiation transfer computation
Hunter, B., & Guo, Z. (2015) · International Journal of Heat and Mass Transfer · doi:10.1016/j.ijheatmasstransfer.2014.10.014 · Cited by 44 · see citing works
McHardy, C., Horneber, T., & Rauh, C. (2016) · Optics Express · doi:10.1364/oe.24.016999 · Cited by 24 · see citing works
- Authors
- Coelho, P. J.
- Affiliations
- Instituto Superior Técnico (PT)
- Corresponding author
- Coelho, P.J
- ORCID
- Coelho, P.J
- Venue
- Journal of Quantitative Spectroscopy and Radiative Transfer
- Publisher
- Elsevier BV
- Published
- 2002-04
- Volume
- 73
- Issue
- 2-5
- Pages
- 231-238
- ISSN
- 0022-4073 (ISSN-L)
- OpenAlex
- W1996427398
- Cited by
- 120
- References
- 15
- Citations by year
- 2026: 5 · 2025: 3 · 2024: 3 · 2022: 4 · 2021: 7 · 2020: 6 · 2019: 2 · 2018: 14 · 2017: 9 · 2016: 6 · 2015: 5 · 2014: 12 · 2013: 5 · 2012: 9
- FWCI
- 2.88
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Quantitative Spectroscopy and Radiative Transfer (publishedVersion)
- Topics
- Physical Sciences › Engineering › Computational Mechanics › Radiative Heat Transfer Studies
- Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric aerosols and clouds
- Physical Sciences › Computer Science › Computer Graphics and Computer-Aided Design › Computer Graphics and Visualization Techniques
- Keywords
- ray effects, discrete ordinates method, high-order methods, radiative transfer, temperature gradient, error compensation
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