Abstract Based on a quasi-steady mission in a vertical plane, this paper presents an analytical derivation to compute the fuel consumption sensitivity. Within the mission analysis simplifications required by this method, a wing aerostructural design problem that accounts for multiple flight conditions is proposed. Such graequdient-based optimization problem is presented for an Airbus A320 as a test case application. This test case efficiently couples the mission analysis to the aerostructural FEMWET analysis code via an online-generated parabolic drag polar. FEMWET uses a quasi-three-dimensional wing aerodynamic analysis coupled with a finite beam element method. The optimized solution yields a large-span wing in agreement with aerostructural design optimization literature.
Wing aerostructural optimization with an analytical fuel consumption sensitivity model
CEAS Aeronautical Journal ; 10 , 3
2018
Aufsatz (Zeitschrift)
Englisch
Wing aerostructural optimization with an analytical fuel consumption sensitivity model
Springer Verlag | 2018
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