표면 열전달율과 항력을 최소화한 극초음속 비행체 선두부 형상 최적설계

A DESIGN OPTIMIZATION STUDY OF BLUNT NOSE HYPERSONIC FLIGHT VEHICLE MINIMIZING SURFACE HEAT-TRANSFER RATE AND DRAG

A design optimization of hypersonic flight vehicle has been studied by using upwind Navier-Stokes method and numerical optimization method. CFD method is linked to numerical optimization method by using a Bezier curve and a design optimization of blunt nose hypersonic flight vehicle has been studied. Heat transfer coefficient and drag coefficient are selected as objective functions or design constraints. The Bezier curve-based shape function was applied to blunt body shape.

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