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Interdisciplinary and multilevel optimum designInteractions among engineering disciplines and subsystems in engineering system design are surveyed and specific instances of such interactions are described. Examination of the interactions that a traditional design process in which the numerical values of major design variables are decided consecutively is likely to lead to a suboptimal design. Supporting numerical examples are a glider and a space antenna. Under an alternative approach introduced, the design and its sensitivity data from the subsystems and disciplines are generated concurrently and then made available to the system designer enabling him to modify the system design so as to improve its performance. Examples of a framework structure and an airliner wing illustrate that approach.
Document ID
19870005772
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Sobieszczanski-Sobieski, Jaroslaw (NASA Langley Research Center Hampton, VA, United States)
Haftka, Raphael T. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 5, 2013
Publication Date
December 1, 1986
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
NAS 1.15:89077
NASA-TM-89077
Report Number: NAS 1.15:89077
Report Number: NASA-TM-89077
Accession Number
87N15205
Funding Number(s)
PROJECT: RTOP 505-63-11
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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