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- W2149772012 abstract "An efficient Newton-Krylov algorithm for high-fidelity aerodynamic shape optimization is used to design low-sweep wings for maximum range at transonic speeds. In this approach, the steady flow solution is obtained using the Newton method with pseudo-transient continuation. The objective function gradient is computed using the discrete-adjoint method. Linear systems from both the flow and adjoint systems are solved using a preconditioned Krylov method. A quasi-Newton optimizer is used to find the search direction. It is coupled with a line-search algorithm. Our single-point optimization results show that it is possible to design shock-free unswept wings at Mach numbers and lift coefficients comparable to the operating conditions of modern transonic transport aircraft. Robust wing designs for low-sweep and unswept wings under the same operating conditions are obtained through multi-point optimization." @default.
- W2149772012 created "2016-06-24" @default.
- W2149772012 creator A5038557373 @default.
- W2149772012 creator A5058522729 @default.
- W2149772012 date "2011-06-27" @default.
- W2149772012 modified "2023-10-05" @default.
- W2149772012 title "Design of Low-Sweep Wings for Maximum Range" @default.
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- W2149772012 doi "https://doi.org/10.2514/6.2011-3178" @default.
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