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Aeroelastic Tailoring Study of N+2 Low-Boom Supersonic Commercial Transport AircraftThe Lockheed Martins N+2 Low-boom Supersonic Commercial Transport (LSCT) aircraft is optimized in this study through the use of a multidisciplinary design optimization tool developed at the NASA Armstrong Flight Research Center. A total of 111 design variables are used in the first optimization run. Total structural weight is the objective function in this optimization run. Design requirements for strength, buckling, and flutter are selected as constraint functions during the first optimization run. The MSC Nastran code is used to obtain the modal, strength, and buckling characteristics. Flutter and trim analyses are based on ZAERO code and landing and ground control loads are computed using an in-house code.
Document ID
20150018875
Acquisition Source
Armstrong Flight Research Center
Document Type
Presentation
Authors
Pak, Chan-gi (NASA Armstrong Flight Research Center Edwards, CA, United States)
Date Acquired
October 7, 2015
Publication Date
June 22, 2015
Subject Category
Aircraft Design, Testing And Performance
Aircraft Stability And Control
Structural Mechanics
Report/Patent Number
DFRC-E-DAA-TN22756
Meeting Information
Meeting: AIAA Aviation 2015 Conference
Location: Dallas, TX
Country: United States
Start Date: June 22, 2015
End Date: June 26, 2015
Sponsors: American Inst. of Aeronautics and Astronautics
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
aeroelastic tailoring
low boom supersonic civil transport
multidisciplinary design optimization

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