| 不可压缩Navier－Stokes方程的基本解法 |
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| 作者单位： | 南京航空航天大学空气动力学系 |
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| 摘 要： | 利用不同阶次的Ｈｅｌｍｈｏｔｚ算子方程的基本解，建立了时间离散不可压缩Ｎａｖｉｅｒ－Ｓｔｏｋｅｓ方程的完全边界积分表示式。对俯仰谐振的ＮＡＣＡ００１２翼型所计算得的升力和阻力的滞后现象，与实验结果相一致
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| 关 键 词： | 气动力计算 不可压缩流 基本解法 积分方程法 Navier－Stokes方程 |
THE FUNDAMENTAL SOLUTION METHOD FOR INCOMPRESSIBLE NAVIER STOKES EQUATIONS |
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| Authors: | Yang Zuosheng |
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| Institution: | Yang Zuosheng Department of Aerodynamics,NUAA29 Yudao Street,Nanjing 210016,P. R. China |
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| Abstract: | A complete boundary integral formulation for incompressible Navier Stokes equations with time discretization by operator splitting is developed by using the fundamental solutions of the Helmhotz operator equation with different orders. The numerical results for the lift and the drag hysteresis associated with a NACA0012 aerofoil oscillating in pitch are good in comparison with available experimental data. |
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| Keywords: | aerodynamics computation incompressible flow foundamental solution method integral equation method Navier Stokes equations |
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