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张武, 罗时钧. 非对称涡流机理的数值研究[J]. 力学学报, 1990, 22(5): 513-518. DOI: 10.6052/0459-1879-1990-5-1995-979
引用本文: 张武, 罗时钧. 非对称涡流机理的数值研究[J]. 力学学报, 1990, 22(5): 513-518. DOI: 10.6052/0459-1879-1990-5-1995-979
NUMERICAL INVESTIGATION OF THE MECHANISM FOR ASYMMETRIC VORTEX FLOWS[J]. Chinese Journal of Theoretical and Applied Mechanics, 1990, 22(5): 513-518. DOI: 10.6052/0459-1879-1990-5-1995-979
Citation: NUMERICAL INVESTIGATION OF THE MECHANISM FOR ASYMMETRIC VORTEX FLOWS[J]. Chinese Journal of Theoretical and Applied Mechanics, 1990, 22(5): 513-518. DOI: 10.6052/0459-1879-1990-5-1995-979

非对称涡流机理的数值研究

NUMERICAL INVESTIGATION OF THE MECHANISM FOR ASYMMETRIC VORTEX FLOWS

  • 摘要: 基于多重线涡模型(MLVM),本文建立了一种计算机时少、收敛性强的适用于大迎角涡流势流数值模拟的迭代算法,在给定物面上对称或不对称分离线位置条件下,首次得到了迎角大到60°的收敛解,用本文算法对一切拱头体进行的数值实验表明,旋转体在大迎角零侧滑时产生菲对称涡流的机理本质上是粘性的。

     

    Abstract: A robust iterative method suitable for the numerical simulation of high angie-of-attack vortex flows is established based upon the multiple line-vortex method (MLVM). With given symmetric or asymmetric locations of separation lines, the first converged solution at angle of attack as high as 60?is obtained by using the present method. Numerical experiments for a tangent-ogive forebody indicate the viscous onset mechanism of asymmetric vortex flows over body of revolution at high angles of attack and zero sid...

     

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