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지진에 의한 모형 캐비닛의 진동특성 해석연구 KCI 등재

Analysis of Vibration Characteristics of Model Cabinet by Earthquake

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한국기계기술학회지 (Journal of the Korean Society of Mechanical Technology)
한국기계기술학회 (Korean Society of Mechanical Technology)
초록

In order to design a seismic safety of a cabinet affected by an earthquake, vibration analysis was performed using a model cabinet. In order to analyze the vibration characteristics of the cabinet under earthquake conditions, 3D finite element analysis was performed using ANSYS Workbench and SolidWorks. The modal analysis of the cabinet showed nine natural modes and natural frequencies, and showed the deformation and vibration of the cabinet panel for each mode. The frequencies of the 1st and 2nd modes, which are low modes, were 10% of the natural frequency value of the 9th mode, so it was easy to predict the possibility of resonance occurrence. The response spectrum due to the earthquake showed that the displacement, acceleration, and stress distribution of the cabinet had different behaviors in the x, y, and z directions, and especially showed very large values in the z direction. Although the vibration characteristics of the structure were evaluated using the modal characteristics and response spectrum for the cabinet, research on the application of a tuned mass damper is necessary for the dynamic characteristics process of the cabinet due to an earthquake and resonance reduction.

목차
Abstract
1. 서 론
2. 구조 및 형상 모 델링 해석조건
    2.1 캐비닛 구조
    2.2 형상 모 델링 해석조건
3. 해석결과
    3.1 모 달해석
    3.2 응답 스펙트럼 분석
4. 결 론
References
저자
  • 이창수(Department of Mechanical Engineering, Sunmoon University, Graduated student) | Chang Soo Lee
  • 정규철(Department of Mechanical Engineering, Sunmoon University, Graduated student) | Kyu Chul Jung
  • 권영철(Department of Mechanical Engineering, Sunmoon University) | Young Chul Kwon Corresponding author