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http://dx.doi.org/10.3795/KSME-A.2005.29.3.503

Topology Optimization of Inner-Wall Stiffener for Critical Buckling Loads of Cylindrical Containers  

Youn Sung-Kie (한국과학기술원 기계공학과)
Yeon Jeoung-Heum (한국과학기술원 기계공학과)
Chang Su-Young (한국과학기술원 기계공학과)
Yoo loon-Tae (한국항공우주연구원 구조그룹)
Seo Yu-Deok (한국과학기술원 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.29, no.3, 2005 , pp. 503-510 More about this Journal
Abstract
In this paper, the topology optimization of inner-wall stiffener of cylindrical containers for the use as a rocket fuel tank is presented. Such structures for space mission should have high stiffness against the buck]ins while their weight should be maintained low from the viewpoint of cost and performance. Therefore, in the present work the reciprocal of critical buckling load is adopted as an objective function and the total mass of stiffener is constrained to a prescribed value. Due to the restriction of computational resources a section of cylindrical container is topologically optimized and this result is repeated to obtain the full design. Also, for manufacturability the concept of periodic topology pattern in design domain is newly introduced. In the numerical examples, the results by the proposed approach are investigated and compared with those of isogrid design.
Keywords
Topolog Optimization; Critical Buckling Loads; Cylindrical Containers;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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