• Title/Summary/Keyword: 중첩격자(chimera or overset grid)

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전진익 소형기의 전산유동해석

  • Choi, Seong-Wook;Kim, Eung-Tai
    • Aerospace Engineering and Technology
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    • v.1 no.2
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    • pp.1-10
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    • 2002
  • Flow computations around forward sweep wing small aircraft have been conducted in this study. The main-wing of the forward-wing small aircraft is composed of two planforms: the inboard wing section with backward sweep angle which is known as strake and the outboard wing section with forward sweep angle. The geometrical discontinuity or kink generated by the combination of these two different planforms requires detailed flow analysis around wing. Four different solvers were used to calculate aerodynamic data and the accuracy of each method is examined. For the convenience of grid generation over the aircraft geometry, the overset grid method was applied. Through this calculation, the basic aerodynamic data of the forward-wing aircraft were provided and the aerodynamic characteristics of the wing is expounded.

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