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On the performance of a MRT lattice Boltzmann algorithm for transient radiative transfer problems
发布时间：2021-12-22
摘要：
An exact multiple-relaxation-time lattice Boltzmann (MRT-LB) algorithm without any assumptions or approximations is raised for solving time-dependent radiative transfer problems (RTPs). The macroscopic radiative transfer equation (RTE) is exactly recovered from the mesoscopic lattice Boltzmann equation (LBE). The proposed MRT-LB algorithm is utilized to obtain the time-dependent radiation distribution with strong variations. Analysis of its numerical performance, including the accuracy and convergence order, is carried out. Results demonstrate that the present MRT-LB is accurate for solving the RTE, with a convergence order of two. The MRT-LB has a good ability to capture the time-dependent properties, including the radiation intensity, radiative heat flux, as well as wavefront, for the radiation propagation problems.
© 2021 Elsevier Ltd
ISSN号：0735-1933
卷、期、页：v 128,
发表日期：2021-11-01
影响因子：3.971000
期刊分区（SCI为中科院分区）：二区
收录情况：SCIE（科学引文索引网络版）
发表期刊名称：International Communications in Heat and Mass Transfer
参与作者：Wang, Cun-Hai
第一作者：冯岩岩
论文类型：期刊论文
论文概要：冯岩岩,Wang, Cun-Hai，On the performance of a MRT lattice Boltzmann algorithm for transient radiative transfer problems，International Communications in Heat and Mass Transfer，2021，v 128,
论文题目：On the performance of a MRT lattice Boltzmann algorithm for transient radiative transfer problems
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