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하부 구조의 고유 진동수비에 따른 돔 구조의 고유 진동 특성에 관한 연구 KCI 등재

A Study on Natural Vibration Characteristics of Dome Structure According to Natural Frequency Ratio of Substructure

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한국공간구조학회지 (JOURNAL OF THE KOREAN ASSOCIATION FOR AND SPATIAL STRUCTURES)
한국공간구조학회 (Korean Association for Spatial Structures)
초록

Large space structures exhibit different natural vibration characteristics depending on the aspect ratio of structures such as half-open angle. In addition, since the actual large space structure is mostly supported by the lower structure, it is expected that the natural vibration characteristics of the upper structure and the entire structure will vary depending on the lower structure. Therefore, in this study, the natural vibration characteristics of the dome structure are analyzed according to the natural frequency ratio by controlling the stiffness of the substructure. As the natural frequency of the substructure increases, the natural frequency of the whole structure increases similarly to the natural frequency of the upper structure. Vertical vibration modes dominate at 30° and 45°, and horizontal vibration modes dominate at 60° and 90°.

목차
Abstract
 1. 서론
 2. 해석 모델의 개요
  2.1 해석 모델의 주요 변수 설정
  2.2 해석 모델의 1차 고유 진동수 산정
 3. 해석 모델의 고유 진동수
  3.1 해석 모델의 1차 고유 진동수
  3.2 해석 모델의 최대 고유 진동수
 4. 해석 모델의 고유 벡터
 5. 결론
 References
저자
  • 박광섭((주)보루 이사, Boru E&C) | Park, Kwang-Seob 교신저자
  • 김윤태((주)보루 대표이사, Boru E&C) | Kim, Yun-Tae