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直接模拟蒙特卡罗方法下的逆温度抽样算法
Authors
徐进良
王秋旺
索晓娜
贺群武
Publication date
1 January 2006
Publisher
Abstract
从分子动力学出发,讨论了直接模拟蒙特卡罗方法中分子平均总能量、平均平动能以及边界热流密度的抽样方法.通过对与边界发生碰撞的分子进行统计平均,得到了分子反射能量与入射能量以及边界热流密度的关系式.在此基础上,通过结合壁面漫反射模型下分子反射速度的抽样方法,发展了一种从边界热流求得与壁面碰撞分子的平均反射特征温度的逆温度抽样算法.数值结果表明:该算法能够由分子反射能量准确求得分子反射特征温度,进而求得分子反射速度,从而将边界热流信息带入流场.该方法为实现壁面处给定热流边界条件下的直接模拟蒙特卡罗方法提供了途径
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Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
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oai:ir.giec.ac.cn:344007/31318
Last time updated on 04/12/2021
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
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oai:ir.giec.ac.cn:344007/17142
Last time updated on 05/12/2019
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
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oai:ir.giec.ac.cn:344007/406
Last time updated on 29/11/2016