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Early Wing Structural Design for Stiffness and Frequency Response.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Early Wing Structural Design for Stiffness and Frequency Response./
作者:	Miskin, Daniel L.
面頁冊數:	1 online resource (59 pages)
附註:	Source: Masters Abstracts International, Volume: 80-06.
Contained By:	Masters Abstracts International80-06.
標題:	Engineering. -
電子資源:	click for full text (PQDT)
ISBN:	9780438714427

Early Wing Structural Design for Stiffness and Frequency Response.
Miskin, Daniel L.

Early Wing Structural Design for Stiffness and Frequency Response. - 1 online resource (59 pages)

Source: Masters Abstracts International, Volume: 80-06.

Thesis (M.S.)--Arizona State University, 2018.

Includes bibliographical references

This paper describes an effort to bring wing structural stiffness and aeroelastic considerations early in the conceptual design process with an automated tool. Stiffness and aeroelasticity can be well represented with a stochastic model during conceptual design because of the high level of uncertainty and variability in wing non-structural mass such as fuel loading and control surfaces. To accomplish this, an improvement is made to existing design tools utilizing rule based automated design to generate wing torque box geometry from a specific wing outer mold-line. Simple analysis on deflection and inferred stiffness shows how early conceptual design choices can strongly impact the stiffness of the structure. The impacts of design choices and how the buckling constraints drive structural weight in particular examples are discussed. The model is then carried further to include a finite element model (FEM) to analyze resulting mode shapes and frequencies for use in aeroelastic analysis. The natural frequencies of several selected wing torque boxes across a range of loading cases are compared.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9780438714427Subjects--Topical Terms:

561152
Engineering.
Subjects--Index Terms:

Torque-boxIndex Terms--Genre/Form:

554714
Electronic books.

Early Wing Structural Design for Stiffness and Frequency Response.
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520 $a This paper describes an effort to bring wing structural stiffness and aeroelastic considerations early in the conceptual design process with an automated tool. Stiffness and aeroelasticity can be well represented with a stochastic model during conceptual design because of the high level of uncertainty and variability in wing non-structural mass such as fuel loading and control surfaces. To accomplish this, an improvement is made to existing design tools utilizing rule based automated design to generate wing torque box geometry from a specific wing outer mold-line. Simple analysis on deflection and inferred stiffness shows how early conceptual design choices can strongly impact the stiffness of the structure. The impacts of design choices and how the buckling constraints drive structural weight in particular examples are discussed. The model is then carried further to include a finite element model (FEM) to analyze resulting mode shapes and frequencies for use in aeroelastic analysis. The natural frequencies of several selected wing torque boxes across a range of loading cases are compared.
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