Journal
AIAA JOURNAL
Volume 40, Issue 2, Pages 301-309Publisher
AMER INST AERONAUTICS ASTRONAUTICS
DOI: 10.2514/2.1646
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Analytical features of multidisciplinary optimization (MDO) problem formulations have significant practical consequences for the ability of nonlinear programming algorithms to solve the resulting computational optimization problems reliably and efficiently. We explore this important but frequently overlooked fact using the notion of disciplinary autonomy. Disciplinary autonomy is a desirable goal in formulating and solving MDO problems; however, the resulting system optimization problems are frequently difficult to solve. We illustrate the implications of MDO problem formulation for the tractability of the resulting design optimization problem by examining a representative class of MDO problem formulations known as collaborative optimization, We also discuss an alternative problem formulation, distributed analysis optimization, that yields a more tractable computational optimization problem.
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