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Controlling Mechanical Properties of Tubular Structures Using Auxetic Slit Pattern : 오그제틱 슬릿 패턴을 이용한 튜브 구조의 물성 제어
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- Authors
- Advisor
- 김도년
- Major
- 공과대학 기계항공공학부
- Issue Date
- 2018-02
- Publisher
- 서울대학교 대학원
- Keywords
- Geometry design ; Auxetics ; Elastic meta-material ; Tubular structures ; Properties control ; Finite element analysis
- Description
- 학위논문 (석사)-- 서울대학교 대학원 : 공과대학 기계항공공학부, 2018. 2. 김도년.
- Abstract
- Auxetic material is a kind of meta-material that have a negative Poisson's ratio that existing materials do not have, and they are seen as a material that exceed the physical properties of conventional materials. A variety of studies have been conducted on auxetic materials for decasdes after the first auxetic material was reported. However, there is a lack of research on system development using auxetic materials to solve actual engineering problems.
At this paper tube structure with auxetic slit patterns is suggested as part of an application study of the auxetic structure. Tube structures with various slit pattern shapes were designed and their static properties were investigated. Through these studies, key geometric parameters that control the static properties of slit-patterned tubes are found. Using the found core parameters, this paper proposes a auxetic slit pattern design method that independently and systematically controls the bending and torsional stiffness of a tube structure.
- Language
- English
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