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PANS方法在双圆柱绕流数值模拟中的性能分析

杜若凡 阎超 罗大海

杜若凡, 阎超, 罗大海等 . PANS方法在双圆柱绕流数值模拟中的性能分析[J]. 北京航空航天大学学报, 2015, 41(8): 1374-1380. doi: 10.13700/j.bh.1001-5965.2014.0589
引用本文: 杜若凡, 阎超, 罗大海等 . PANS方法在双圆柱绕流数值模拟中的性能分析[J]. 北京航空航天大学学报, 2015, 41(8): 1374-1380. doi: 10.13700/j.bh.1001-5965.2014.0589
DU Ruofan, YAN Chao, LUO Dahaiet al. Property assessment of PANS method for numerical simulation of flow around tandem cylinders[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(8): 1374-1380. doi: 10.13700/j.bh.1001-5965.2014.0589(in Chinese)
Citation: DU Ruofan, YAN Chao, LUO Dahaiet al. Property assessment of PANS method for numerical simulation of flow around tandem cylinders[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(8): 1374-1380. doi: 10.13700/j.bh.1001-5965.2014.0589(in Chinese)

PANS方法在双圆柱绕流数值模拟中的性能分析

doi: 10.13700/j.bh.1001-5965.2014.0589
基金项目: 国家"973"计划(2009CB724104)
详细信息
    作者简介:

    杜若凡(1988-),男,山东淄博人,博士研究生,jackdrf@126.com

    通讯作者:

    阎超(1962-),男,江苏徐州人,教授,yanchao@buaa.edu.cn,主要研究方向为计算流体力学.

  • 中图分类号: V221.3

Property assessment of PANS method for numerical simulation of flow around tandem cylinders

  • 摘要: PANS方法以传统的雷诺平均Navier-Stokes(RANS)方程为模板,引入控制参数对原方程进行修改,是一类能够有效模拟分离湍流流动的混合方法.采用基于Menter 剪切应力输运(SST)湍流模型的PANS方法,选取双圆柱绕流作为研究对象, 分析双圆柱流动结构,验证方法的准确性与可靠性,考察PANS方法中模型参数选取对于计算结果的影响,评估不同类型PANS方法的性能.研究表明:模化湍动能比例这一模型参数对计算结果有显著影响,且计算域内统一的模型参数取值难以处理复杂流动问题.在此基础上使方法中模化湍动能比例取值随流场物理信息和网格尺度变化,所得结果与SST DES计算结果及实验结果吻合较好,表明该方法适用于复杂湍流数值模拟.

     

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出版历程
  • 收稿日期:  2014-09-25
  • 刊出日期:  2015-08-20

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