The discrete ordinates method is a popular and versatile technique for solving the radiative transport equation, a major drawback of which is the presence of ray effects. Mitigation of ray effects can yield significantly more accurate results and enhanced numerical stability for combined mode codes. When ray effects are present, the solution is seen to be highly dependent upon the relative orientation of the geometry and the global reference frame. This is an undesirable property. A novel ray effect mitigation technique of averaging the computed solution for various reference frame orientations is proposed.
Ray Effect Mitigation Through Reference Frame Rotation
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received June 3, 2015; final manuscript received May 20, 2016; published online June 14, 2016. Assoc. Editor: Laurent Pilon.
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Tencer, J. (June 14, 2016). "Ray Effect Mitigation Through Reference Frame Rotation." ASME. J. Heat Transfer. November 2016; 138(11): 112701. https://doi.org/10.1115/1.4033699
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