A review of operational modal analysis techniques for in-service modal identification

FB Zahid, ZC Ong, SY Khoo - Journal of the Brazilian Society of …, 2020 - Springer
Vibrations are the root cause of many mechanical and civil structure failures. Dynamic
characteristics of a structure must be extracted to better understand structural vibrational …

[图书][B] Introduction to operational modal analysis

R Brincker, C Ventura - 2015 - books.google.com
Comprehensively covers the basic principles and practice of Operational Modal Analysis
(OMA). Covers all important aspects that are needed to understand why OMA is a practical …

Modal flexibility-based damage detection of cantilever beam-type structures using baseline modification

SH Sung, KY Koo, HJ Jung - Journal of Sound and Vibration, 2014 - Elsevier
This paper presents a new damage detection approach for cantilever beam-type structures
using the damage-induced inter-storey deflection (DIID) estimated by modal flexibility matrix …

Flexibility-based damage localization from stochastic realization results

D Bernal - Journal of Engineering Mechanics, 2006 - ascelibrary.org
Localization of damage from changes in flexibility in structures identified from operational or
ambient vibration has long been hindered by the fact that the flexibility cannot be extracted …

Distributed computing strategy for structural health monitoring

Y Gao, BF Spencer Jr… - Structural Control and …, 2006 - Wiley Online Library
Monitoring of complex structures to provide real‐time safety and reliability information
regarding the structure poses significant technical challenges. To detect damage in large …

Mass‐normalized mode shape identification method for bridge structures using parking vehicle‐induced frequency change

WY He, WX Ren, XH Zuo - Structural Control and Health …, 2018 - Wiley Online Library
Mode shape identification is a crucial task in the field of bridge health monitoring. This paper
proposes a mass‐normalized mode shape identification method for bridge structures on the …

Modal mass and length of mode shapes in structural dynamics

M Aenlle, M Juul, R Brincker - Shock and Vibration, 2020 - Wiley Online Library
The literature about the mass associated with a certain mode, usually denoted as the modal
mass, is sparse. Moreover, the units of the modal mass depend on the technique which is …

Some elements of operational modal analysis

R Brincker - Shock and Vibration, 2014 - Wiley Online Library
This paper gives an overview of the main components of operational modal analysis (OMA)
and can serve as a tutorial for research oriented OMA applications. The paper gives a short …

Damage detection for beam-like structures using the normalized curvature of a uniform load surface

SH Sung, HJ Jung, HY Jung - Journal of Sound and Vibration, 2013 - Elsevier
This paper presents a new vibration-based damage detection method for beam-like
structures that uses the normalized uniform load surface (NULS) curvature obtained by …

Structural flexibility identification via moving-vehicle-induced time-varying modal parameters

Y Tian, J Zhang - Journal of Sound and Vibration, 2020 - Elsevier
To overcome the limitation of existing methods only identifying basic dynamic properties of
bridge structures, a moving vehicle strategy was proposed to identify more meaningful …