Identification and comparison of modal parameter in a structure during the vibration test using operational modal analysis

被引：0
|
作者：
Costa, N. [1 ]
Camargo, E. [2 ]
Pirk, R. [2 ]
机构：
[1] Bruel & Kjaer Brazil, 276 Laguna St, Sao Paulo, Brazil
[2] Inst Aeronaut & Espaco, Dept Ciencia & Tecnol Aeroespacial, Praca Eduardo Gomes 50, BR-12228904 Sao Jose Dos Campos, SP, Brazil
来源：
PROCEEDINGS OF INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING (ISMA2018) / INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS (USD2018) | 2018年
关键词：
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
During the development of a new aircraft, the Ground Vibration Test (GVT) is an essential test and this work presents the results of the modal analysis performed in a small and flexible structure simulating an aircraft. The objective was identified, compare and explore different methods - Experimental Modal Analysis and Operational Modal Analysis- in order to obtain the modal parameters of the structure. The reliability of an experimental and operational analysis was verified by modal assurance criterion calculations between the experimental data and validated by comparison and correlation with a finite element model.
引用
收藏
页码：2977 / 2987
页数：11
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