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Wing design for a civil tiltrotor transport aircraft: A preliminary studyA preliminary study was conducted on the design of the wing-box structure for a civil tiltrotor transport aircraft. The wing structural weight is to be minimized subject to structural and aeroelastic constraints. The composite wing-box structure is composed of skin, stringers, ribs, and spars. The design variables include skin ply thicknesses and orientations and spar cap and stringer cross-sectional areas. With the total task defined, an initial study was conducted to learn more about the intricate dynamic and aeroelastic characteristics of the tiltrotor aircraft and their roles in the wing design. Also, some work was done on the wing finite-element modeling (via PATRAN) which would be used in structural analysis and optimization. Initial studies indicate that in order to limit the wing/rotor aeroelastic and dynamic interactions in the preliminary design, the cruise speed, rotor system, and wing geometric attributes must all be held fixed.
Document ID
19940023414
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Rais-Rohani, Masoud (Mississippi State Univ. Mississippi State, MS, United States)
Date Acquired
September 6, 2013
Publication Date
December 1, 1993
Publication Information
Publication: Old Dominion Univ., The 1993 NASA-ODU American Society for Engineering Education (ASEE) Summer Faculty Fellowship Program
Subject Category
Aircraft Design, Testing And Performance
Accession Number
94N27917
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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