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Volume 20, Issue 5
A Discrete-Ordinate Discontinuous-Streamline Diffusion Method for the Radiative Transfer Equation

Cheng Wang, Qiwei Sheng & Weimin Han

DOI: 10.4208/cicp.310715.290316a

Commun. Comput. Phys., 20 (2016), pp. 1443-1465.

Published online: 2018-04

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  • Abstract

The radiative transfer equation (RTE) arises in many different areas of science and engineering. In this paper, we propose and investigate a discrete-ordinate discontinuous-streamline diffusion (DODSD) method for solving the RTE, which is a combination of the discrete-ordinate technique and the discontinuous-streamline diffusion method. Different from the discrete-ordinate discontinuous Galerkin (DODG) method for the RTE, an artificial diffusion parameter is added to the test functions in the spatial discretization. Stability and error estimates in certain norms are proved. Numerical results show that the proposed method can lead to a more accurate approximation in comparison with the DODG method.

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@Article{CiCP-20-1443, author = {Cheng Wang, Qiwei Sheng and Weimin Han}, title = {A Discrete-Ordinate Discontinuous-Streamline Diffusion Method for the Radiative Transfer Equation}, journal = {Communications in Computational Physics}, year = {2018}, volume = {20}, number = {5}, pages = {1443--1465}, abstract = {

The radiative transfer equation (RTE) arises in many different areas of science and engineering. In this paper, we propose and investigate a discrete-ordinate discontinuous-streamline diffusion (DODSD) method for solving the RTE, which is a combination of the discrete-ordinate technique and the discontinuous-streamline diffusion method. Different from the discrete-ordinate discontinuous Galerkin (DODG) method for the RTE, an artificial diffusion parameter is added to the test functions in the spatial discretization. Stability and error estimates in certain norms are proved. Numerical results show that the proposed method can lead to a more accurate approximation in comparison with the DODG method.

}, issn = {1991-7120}, doi = {https://doi.org/10.4208/cicp.310715.290316a}, url = {http://global-sci.org/intro/article_detail/cicp/11197.html} }
TY - JOUR T1 - A Discrete-Ordinate Discontinuous-Streamline Diffusion Method for the Radiative Transfer Equation AU - Cheng Wang, Qiwei Sheng & Weimin Han JO - Communications in Computational Physics VL - 5 SP - 1443 EP - 1465 PY - 2018 DA - 2018/04 SN - 20 DO - http://doi.org/10.4208/cicp.310715.290316a UR - https://global-sci.org/intro/article_detail/cicp/11197.html KW - AB -

The radiative transfer equation (RTE) arises in many different areas of science and engineering. In this paper, we propose and investigate a discrete-ordinate discontinuous-streamline diffusion (DODSD) method for solving the RTE, which is a combination of the discrete-ordinate technique and the discontinuous-streamline diffusion method. Different from the discrete-ordinate discontinuous Galerkin (DODG) method for the RTE, an artificial diffusion parameter is added to the test functions in the spatial discretization. Stability and error estimates in certain norms are proved. Numerical results show that the proposed method can lead to a more accurate approximation in comparison with the DODG method.

Cheng Wang, Qiwei Sheng and Weimin Han. (2018). A Discrete-Ordinate Discontinuous-Streamline Diffusion Method for the Radiative Transfer Equation. Communications in Computational Physics. 20 (5). 1443-1465. doi:10.4208/cicp.310715.290316a
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