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Volume 23 Issue 3
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2015  >  23(3): 161-165
ZHANG Shen-rong, CAI Wei-jun, YANG Chun-wu, CUI Xin-shan. A Parameterization Method for Airfoil Based on Composite Mapping Method and B-Spline[J]. Journal of Unmanned Undersea Systems, 2015, 23(3): 161-165. doi: 10.11993/j.issn.1673-1948.2015.03.001
Citation: ZHANG Shen-rong, CAI Wei-jun, YANG Chun-wu, CUI Xin-shan. A Parameterization Method for Airfoil Based on Composite Mapping Method and B-Spline[J]. Journal of Unmanned Undersea Systems, 2015, 23(3): 161-165. doi: 10.11993/j.issn.1673-1948.2015.03.001
shu

A Parameterization Method for Airfoil Based on Composite Mapping Method and B-Spline

doi: 10.11993/j.issn.1673-1948.2015.03.001
  • 1.

    The 705 Research Institute, China Shipbuilding Industry Corporation, Xi′an 710075, China

  • 2.

    Science and Technology on Underwater Information and Control Laboratory, Xi′an 710075, China

  • Publish Date: 2015-06-20
    Abstract
  • Reducing geometric design variables can improve the computational efficiency of aerodynamic optimization of airfoil. For design feasibility, a parameterization method is proposed, in which a B-spline fitted shape function is transformed into practical airfoil with composite mapping method. The convergence property of this parameterization method is analyzed via some low-speed airfoils. The fitted airfoil profiles are highly approximate to the original ones, and their aerodynamic characteristics show remarkable consistency. In addition, the influence of the shape function control points on the geometric characteristics of airfoil is analyzed, and local control of airfoil profile is achieved. Results indicate that this parametric method can represent known airfoils and modify local airfoil profiles, and can be applied to airfoil optimization.

     

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    • References(7)
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