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- W2592376770 abstract "Complex design optimization problems, which involve many nonlinearly coupled design objectives and constraints, pose considerable difficulties in the formulation of the aggregate objective function. A representative example of such a complex optimization problem is the design of aircraft structures based on strength, stiffness, manufacturability, and cost requirements. An effective methodology for such a design has recently been developed. This methodology has been used to develop a computational tool for analysis and optimization of primary structural aircraft components. A wing spar design problem was used to demonstrate the effects of manufacturability and cost requirements on the optimal design configuration. By the use of the computational analysis tool that has been developed, physical programming is applied to the optimization phase of the design. The effectiveness of the physical programming method is demonstrated in the context of such complex problems. In the previous approach, the problem complexity necessitated the minimization of one objective at a time in conjunction with behavioral constraints. The associated Pareto hypersurface is not convex, and the employed approach did not allow the designer to explore the design space efficiently. The use of physical programming is explored for this class of complex problems and it is concluded that physical programming offers the formulation flexibility needed to obtain efficiently the desired points on the Pareto frontier. A comparison with the weighted sum method, as well as the previous results, is made." @default.
- W2592376770 created "2017-03-16" @default.
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- W2592376770 date "2000-04-03" @default.
- W2592376770 modified "2023-09-27" @default.
- W2592376770 title "Manufacturability based optimization of aircraft structures using physical programming" @default.
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- W2592376770 doi "https://doi.org/10.2514/6.2000-1667" @default.
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