物理学报Issue(23)：1-6,6.DOI:10.7498/aps.63.239501
基于能量密度分布的辐射源粒子空间抽样方法研究∗
A new sampling metho d based on radiation energy density for lo cation of radiative source particles
摘要
Abstract
When using the implicit Monte Carlo method to simulate the thermal radiative photon transfer in materials, the radiative source particles emitted by the material should be treated carefully. In traditional sampling method for the location of radiative source particles can be regarded as uniform in a single cell, and this is reasonable for most of thermal radiative transfer problems. But it may result in unacceptable error in the problem which has a large absorption cross-section and remarkable temperature difference in a single cell. The reason for this error is discussed in this paper. A new method based on radiation energy density distribution is proposed and the sampling formula is derived. Numerical test indicates that the new method will give results much better than the old method and in agreement with the analytical results.关键词
隐式蒙特卡罗/热辐射/输运/抽样方法Key words
implicit Monte Carlo method/thermal radiative/transfer/sampling method引用本文复制引用
李树,邓力,田东风,李刚..基于能量密度分布的辐射源粒子空间抽样方法研究∗[J].物理学报,2014,(23):1-6,6.基金项目
国家高技术研究发展计划(批准号:2012AA01A303)和中国工程物理研究院科学技术发展重点基金(批准号:2012A0102005)资助的课题.* Project supported by the National High Technology Research and Development of China (Grant No.2012AA01A303) and the Key Foundation of Science and Technology Development of China Academy of Engineering Physics (Grant No.2012A0102005) （批准号:2012AA01A303）
