An extension of our parametric multidisciplinary optimization method to include design results connecting multiple objective functions is presented. New insight into the effect of the figure of merit (objective function) on aircraft configuration size and shape is demonstrated using this technique. An aircraft concept, subject to performance and aerodynamic constraints, is optimized using the global sensitivity equation method for a wide range of objective functions. These figures of merit are described parametrically such that a series of multiobjective optimal solutions can be obtained. Computational speed is facilitated by use of algebraic representations of the system technologies. Using this method, the evolution of an optimum design from one objective function to another is demonstrated. Specifically, combinations of minimum takeoff gross weight, fuel weight, and maximum cruise performance and productivity parameters are used as objective functions.
Aircraft concept optimization using the global sensitivity approach and parametric multiobjective figures of merit
AIAA, Aircraft Design Systems Meeting ; 1992 ; Hilton Head Island, SC, United States
1992-08-01
Conference paper
No indication
English
Aircraft Concept Optimization Using Parametric Multiobjective Figures of Merit
Online Contents | 1996
|Figures of merit for airfoil/aircraft design integration
AIAA | 1988
|Figures of merit for airfoil/aircraft design integration
NTRS | 1988
|