The iterative thermal emission method: A more implicit modification of IMC
Abstract
For over 40 years, the Implicit Monte Carlo (IMC) method has been used to solve challenging problems in thermal radiative transfer. These problems typically contain regions that are optically thick and diffusive, as a consequence of the high degree of “pseudo-scattering” introduced to model the absorption and reemission of photons from a tightly-coupled, radiating material. IMC has several well-known features that could be improved: a) it can be prohibitively computationally expensive, b) it introduces statistical noise into the material and radiation temperatures, which may be problematic in multiphysics simulations, and c) under certain conditions, solutions can be nonphysical, in that they violate a maximum principle, where IMC-calculated temperatures can be greater than the maximum temperature used to drive the problem.
- Authors:
-
- Oregon State Univ., Corvallis, OR (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Oregon State Univ., Corvallis, OR (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1239194
- Report Number(s):
- LLNL-JRNL-597432
Journal ID: ISSN 0021-9991
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Computational Physics
- Additional Journal Information:
- Journal Volume: 277; Journal Issue: C; Journal ID: ISSN 0021-9991
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUMM MECHANICS, GENERAL PHYSICS; 97 MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; thermal radiative transfer; implicit Monte Carlo
Citation Formats
Long, A. R., Gentile, N. A., and Palmer, T. S. The iterative thermal emission method: A more implicit modification of IMC. United States: N. p., 2014.
Web. doi:10.1016/j.jcp.2014.08.017.
Long, A. R., Gentile, N. A., & Palmer, T. S. The iterative thermal emission method: A more implicit modification of IMC. United States. https://doi.org/10.1016/j.jcp.2014.08.017
Long, A. R., Gentile, N. A., and Palmer, T. S. Tue .
"The iterative thermal emission method: A more implicit modification of IMC". United States. https://doi.org/10.1016/j.jcp.2014.08.017. https://www.osti.gov/servlets/purl/1239194.
@article{osti_1239194,
title = {The iterative thermal emission method: A more implicit modification of IMC},
author = {Long, A. R. and Gentile, N. A. and Palmer, T. S.},
abstractNote = {For over 40 years, the Implicit Monte Carlo (IMC) method has been used to solve challenging problems in thermal radiative transfer. These problems typically contain regions that are optically thick and diffusive, as a consequence of the high degree of “pseudo-scattering” introduced to model the absorption and reemission of photons from a tightly-coupled, radiating material. IMC has several well-known features that could be improved: a) it can be prohibitively computationally expensive, b) it introduces statistical noise into the material and radiation temperatures, which may be problematic in multiphysics simulations, and c) under certain conditions, solutions can be nonphysical, in that they violate a maximum principle, where IMC-calculated temperatures can be greater than the maximum temperature used to drive the problem.},
doi = {10.1016/j.jcp.2014.08.017},
journal = {Journal of Computational Physics},
number = C,
volume = 277,
place = {United States},
year = {Tue Aug 19 00:00:00 EDT 2014},
month = {Tue Aug 19 00:00:00 EDT 2014}
}
Web of Science
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