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气动热数值模拟中壁面热流后处理方法

张胜涛 陈方 刘洪

张胜涛, 陈方, 刘洪. 气动热数值模拟中壁面热流后处理方法[J]. 航空动力学报, 2014, 29(11): 2652-2658. doi: 10.13224/j.cnki.jasp.2014.11.015
引用本文: 张胜涛, 陈方, 刘洪. 气动热数值模拟中壁面热流后处理方法[J]. 航空动力学报, 2014, 29(11): 2652-2658. doi: 10.13224/j.cnki.jasp.2014.11.015
ZHANG Sheng-tao, CHEN Fang, LIU Hong. Post-processing methods for wall heat-flux in aeroheating numerical simulation[J]. Journal of Aerospace Power, 2014, 29(11): 2652-2658. doi: 10.13224/j.cnki.jasp.2014.11.015
Citation: ZHANG Sheng-tao, CHEN Fang, LIU Hong. Post-processing methods for wall heat-flux in aeroheating numerical simulation[J]. Journal of Aerospace Power, 2014, 29(11): 2652-2658. doi: 10.13224/j.cnki.jasp.2014.11.015

气动热数值模拟中壁面热流后处理方法

doi: 10.13224/j.cnki.jasp.2014.11.015
基金项目: 

国家自然科学基金(11102111)

详细信息
    作者简介:

    张胜涛(1983-),男,山东聊城人,博士生,主要从事高超声速气动热力学数值模拟研究.

  • 中图分类号: V211.22;V211.3

Post-processing methods for wall heat-flux in aeroheating numerical simulation

  • 摘要: 针对气动热数值模拟中壁面热流后处理方法进行了系统的数值研究,提出了一种有别于常规微分法和积分法的壁面热流后处理方法.通过3种算例进行了对比分析,结果表明:即使在流场参数相同情况下,采用不同的壁面热流后处理方法计算的热流结果也会有较大差异,且表现出不同的网格依赖性.微分法对网格的依赖性较大,单纯提高差分精度不一定能够减弱网格依赖性和提高计算精度,还与近壁处网格分布密切相关;积分法从能量平衡积分方程出发,极大地减弱了网格依赖性,具有较高的计算精度.所提出方法具有与积分法相当的网格依赖性和计算精度,尤其在驻点区域,其网格依赖性更弱于积分法,且计算简单,提高了计算效率.

     

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出版历程
  • 收稿日期:  2013-07-26
  • 刊出日期:  2014-11-28

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