本文提出一种基于有限体积法的精确求解任意方向辐射强度的广义多流法(Multi-Flux Method,MFM).以圆柱形吸收、散射、发射性介质为例,采用MFM模拟其沿任意方向的出射辐射强度,并与反向蒙特卡洛法(Backward MonteCarlo,BMC)的计算结果进行了比较分析.结果表明,MFM法与BMC法的计算结果吻合较好,但MFM法的计算效率明显优于BMC法.因此,MFM模型是一种适用于计算任意方向辐射强度问题的高效数值模型.
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