FRF estimation on rotational degrees of freedom of structures

Takuya Yoshimura, Naoki Hosoya

研究成果査読

4 被引用数 (Scopus)

抄録

In conventional vibration testing, frequency response functions (FRFs) are measured only on translational degrees of freedom. This paper presents a new estimation method of rotational FRFs. In the proposed method a T-shaped block is attached to the measurement point. The block is excited by conventional impact hammer; the inner force and the response of the connection point including rotational DOFs are estimated; and finally the FRFs including rotational DOFs at the connection point of the structure is obtained. The feasibility of the method is investigated experimentally by applying it to a beam structure.

本文言語English
ページ(範囲)1667-1671
ページ数5
ジャーナルProceedings of the International Modal Analysis Conference - IMAC
2
出版ステータスPublished - 2000 1 1
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)

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