Development of a component mode synthesis method with higher-order residual flexibility = 고차 잔류 유연도를 고려한 부분 구조 합성법 개발

In this paper, we improve the Craig-Bampton (CB) method, one of most widely used component mode synthe-sis (CMS) methods. Considering the higher-order effect of residual modes that are simply truncated in the CB method, a new transformation matrix is developed. Using the transformation matrix in the CB method (higher-order CB method: HCB), the original finite element model can be more accurately reduced. In the formulation, unknown eigenvalues are considered as additional generalized coordinates, which can be eliminated using SEREP (system equivalent reduction expansion process). We here present the formulation of the higher-order CB method and demonstrate its excellent performance through various examples.
Advisors
Lee, Phill-Seungresearcher이필승researcher
Publisher
한국과학기술원
Issue Date
2016
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 해양시스템대학원, 2016.2 ,[iv, 48 p. :]

Keywords

Structural dynamics; Finite element method; Model reduction; Component mode synthesis; Craig-Bampton method; 구조동역학; 유한요소법; 모델축소법; 부분구조합성법; CB 기법

URI
http://hdl.handle.net/10203/222039
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=649763&flag=t
Appears in Collection
OSE-Theses_Master(석사논문)
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