Stretched and Filtered Multigroup Pn Transport for Improved Positivity and Accuracy

DOI10.1080/23324309.2020.1800745OpenAlexW3048945096MaRDI QIDQ5029287

Gordon L. Olson

Publication date: 11 February 2022

Published in: Journal of Computational and Theoretical Transport (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/23324309.2020.1800745

zbMATH Keywords

positivityradiation transport\textit{\(P_n\)} transportstretched and filtered \textit{\(P_n\)}

Mathematics Subject Classification ID

Statistical mechanics, structure of matter (82-XX)

Related Items (1)

Multi-frequency implicit semi-analog Monte-Carlo (ISMC) radiative transfer solver in two-dimensions (without teleportation)

Cites Work

• Alternate closures for radiation transport using Legendre polynomials in 1D and spherical harmonics in 2D
• Second order time evolution of the multigroup diffusion and \(P_{1}\) equations for radiation transport
• Robust and accurate filtered spherical harmonics expansions for radiative transfer
• Second-order time evolution of \(P_N\) equations for radiation transport
• Positivity limiters for filtered spectral approximations of linear kinetic transport equations
• Diffusive Corrections to $P_N$ Approximations
• Positivity enhancements to the P_n transport equations

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