國立虎尾科技大學 |

Early Wing Structural Design for Stiffness and Frequency Response.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Early Wing Structural Design for Stiffness and Frequency Response./
作者:	Miskin, Daniel L.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
面頁冊數:	59 p.
附註:	Source: Masters Abstracts International, Volume: 80-06.
Contained By:	Masters Abstracts International80-06.
標題:	Mechanical engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10981247
ISBN:	9780438714427

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

Early Wing Structural Design for Stiffness and Frequency Response. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 59 p.

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

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

This item must not be sold to any third party vendors.

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.

ISBN: 9780438714427Subjects--Topical Terms:

557493
Mechanical engineering.
Subjects--Index Terms:

Torque-box

Early Wing Structural Design for Stiffness and Frequency Response.
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500 $a Publisher info.: Dissertation/Thesis.
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506 $a This item must not be sold to any third party vendors.
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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