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- W2057702985 abstract "An algorithm is developed to obtain the grid sensitivity with respect to design parameters for aerodynamic optimization. The procedure is advocating a novel (geometrical) parameterization using spline functions such as NURBS (Non-Uniform Rational B-Splines) for defining the wing-section geometry. An interactive algebraic grid generation technique, known as Two-Boundary Grid Generation (TBGG) is employed to generate C-type grids around wing-sections. The grid sensitivity of the domain with respect to geometric design parameters has been obtained by direct differentiation of the grid equations. A hybrid approach is proposed for more geometrically complex configurations such as a wing or fuselage. The aerodynamic sensitivity coefficients are obtained by direct differentiation of the compressible two-dimensional thin-layer Navier-Stokes equations. An optimization package has been introduced into the algorithm in order to optimize the wing-section surface. Results demonstrate a substantially improved design due to maximized lift/drag ratio of the wing-section." @default.
- W2057702985 created "2016-06-24" @default.
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- W2057702985 date "1993-08-09" @default.
- W2057702985 modified "2023-09-26" @default.
- W2057702985 title "Grid and aerodynamic sensitivity analyses of airplane components" @default.
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- W2057702985 doi "https://doi.org/10.2514/6.1993-3475" @default.
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