A Study on the Identification and Improvement of Dynamic Characteristics of Large Structure by Component Mode Synthesis Method

부분 구조합성법을 이용한 대형구조물의 동특성 규명 및 개선에 관한 연구

  • 오재응 (한양대학교, 자동차공학과) ;
  • 이정환 (㈜기아자동차) ;
  • 임동규 (한양대학교 공과대학 정밀기계공학과)
  • Published : 1994.09.01

Abstract

In this paper, to identify the dynamic characteristics of antenna system, the antenna is divided into 4 components and those were analyzed with a conventional FEM package MSC/NASTRAN. Using a Component Mode Synthesis Method, dynamic characteristics of total system is also identified. The Coherence of each component to total system is evaluated by using strain and kinetic component to total system is evaluated by using strain and kinetic energy. The improving strategy of dynamic characteristics is suggested by changing mass and stiffness of large coherence components.

Keywords

References

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