축소 건물모델의 모달 파라미터 추정에 관한 연구

A Study on the Modal Parameters of the scaled building structure

  • 박해동 (유니슨산업(주) 유니슨기술연구소) ;
  • 박진일 (유니슨산업(주) 유니슨기술연구소) ;
  • 최현 (유니슨산업(주) 유니슨기술연구소) ;
  • 김두훈 (유니슨산업(주) 유니슨기술연구소)
  • 발행 : 2000.06.22

초록

The physical properties of the spatial model, mass, stiffness and damping matrix, can be defined by a specific natural frequency, damping ratio and mode shape. These modal parameters can be determined from a set of frequency response function(FRF) measured by exciting the structure and measuring the responses at various points around the structure. In this paper, The Transfer Matrix is obtained by experimental modal analysis for the 3-story scaled building model which TMD is installed on top and the physical properties of the spatial model is determined using the residue matrix and the location of poles from FRF measurement using polynomial curve fitting methods.

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