کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5429202 | 1508701 | 2013 | 9 صفحه PDF | دانلود رایگان |
In this paper we analyze several acceleration techniques for the discrete ordinate method with matrix exponential and the small-angle modification of the radiative transfer equation. These techniques include the left eigenvectors matrix approach for computing the inverse of the right eigenvectors matrix, the telescoping technique, and the method of false discrete ordinate. The numerical simulations have shown that on average, the relative speedup of the left eigenvector matrix approach and the telescoping technique are of about 15% and 30%, respectively.
⺠We presented the left eigenvector matrix approach. ⺠We analyzed the method of false discrete ordinate. ⺠The telescoping technique is applied for matrix operator method. ⺠Considered techniques accelerate the computations by 20% in average.
Journal: Journal of Quantitative Spectroscopy and Radiative Transfer - Volume 114, January 2013, Pages 73-81