Aircraft design for mission performance using nonlinear multiobjective optimization methods, Issue 4328
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DESCRIPTION OF OBJECTIVE FUNCTION FORMULATION METHODS
aerodynamic Aeroelastic aspect ratio BEST SINGLE OBJECTIVE complex mission analysis COMPROMISE FROM BEST COMPROMISE FROM SINGLE Computational conceptual design constrained optimization problem constraint boundaries constraints and objectives converts a constrained deg t/c design space design variables EE KSOPT EE Feasible designs figures of merit Final Values Final Fk(X Function Evaluations FUNCTION OF ASPECT Functions Ramp Weight GC method gj(X initial design initial values KSOPT EE KSOPT Langley Research Center lower limit Mach L/D method for multiobjective Mission Fuel minimize mission fuel requirements Mission Performance Mission Profile multiobjective optimization methods NASA Objective Cases Figure Objective Design Results Objective Functions Ramp OBJECTIVE OPTIMIZATION COMPROMISE optimum Penalty Function Penalty Method PF method Ratio 22 Figure RATIO AND THICKNESS Single 23 Objective Single Objective Design single objective optimization Single Objective Results Thickness Ratio 22 THICKNESS RATIO Figure THREE OBJECTIVE OPTIMIZATION typical wide body unconstrained Values Final Values Weight and Mission wide body transport Wrenn