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Probabilistic assessment of smart composite structuresA composite wing with spars and bulkheads is used to demonstrate the effectiveness of probabilistic assessment of smart composite structures to control uncertainties in distortions and stresses. Results show that a smart composite wing can be controlled to minimize distortions and to have specified stress levels in the presence of defects. Structural responses such as changes in angle of attack, vertical displacements, and stress in the control and controlled plies are probabilistically assessed to quantify their respective uncertainties. Sensitivity factors are evaluated to identify those parameters that have the greatest influence on a specific structural response. Results show that smart composite structures can be configured to control both distortions and ply stresses to satisfy specified design requirements.
Document ID
19940020706
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Chamis, Christos C. (NASA Lewis Research Center Cleveland, OH, United States)
Shiao, Michael C. (Sverdrup Technology, Inc. Brook Park, OH., United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1994
Subject Category
Structural Mechanics
Report/Patent Number
NASA-TM-106358
E-8145
NAS 1.15:106358
Meeting Information
Meeting: International SAMPE Symposium and Exhibit
Location: Anaheim, CA
Country: United States
Start Date: May 10, 1993
End Date: May 13, 1993
Sponsors: Society for the Advancement of Materials and Process Engineering
Accession Number
94N25188
Funding Number(s)
PROJECT: RTOP 510-02-12
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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