Structural dynamics modification using an Emboss = 엠보스 형상을 이용한 구조물 동특성 변경

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Among many SDM(Structural Dynamics Modification) techniques, shape transformation is one of the most effective techniques. The method does not induce mass increase in the base model and non-matching node problem between substructures. In this research embossing is selected as a kind of shape transformation method. Even though embossing is an effective technique, it is difficult to implement in fields. One of the most fatal shortages of embossing method is that it necessitates troublesome re-meshing process in optimization procedures, which lessens effectiveness and usefulness of the method. Initially, equivalent elements concept is tried to describe emboss shapes. The trial parameters are material properties, thickness distribution, and the both. Then, finally, based on the limitation of the equivalent element concept, a convenient and systematic way to describe embossing technique for flat-top embosses is established and the usefulness is verified by means of a few illustrative examples. In summary, the goal of this research is to suggest a method which makes it easy to implement an embossing technique in fields. Then the goal is obtained by introducing a simple concept and a systematic procedure only for specified emboss shape, that is, flat-top emboss shape.
Advisors
Park, Youn-SikresearcherPark, Young-Jinresearcher박윤식researcher박영진researcher
Description
한국과학기술원 : 기계공학전공,
Publisher
한국과학기술원
Issue Date
2003
Identifier
180098/325007 / 020013297
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 기계공학전공, 2003.2, [ [i], 38 p. ]

Keywords

Emboss; flat-top emboss; 엠보스

URI
http://hdl.handle.net/10203/45405
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=180098&flag=dissertation
Appears in Collection
ME-Theses_Master(석사논문)
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