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 …

System identification methods for (operational) modal analysis: review and comparison

E Reynders - Archives of Computational Methods in Engineering, 2012 - Springer
Operational modal analysis deals with the estimation of modal parameters from vibration
data obtained in operational rather than laboratory conditions. This paper extensively …

Finite element model updating and structural damage identification using OMAX data

E Reynders, A Teughels, G De Roeck - Mechanical Systems and Signal …, 2010 - Elsevier
The main limitations in the finite element (FE) model updating technique lie in the ability of
the FE model to represent the true behavior of the structure (modelling problem), and in the …

A review on fatigue monitoring of structures

N García-Fernández, M Aenlle… - International Journal of …, 2023 - emerald.com
A review on fatigue monitoring of structures | Emerald Insight Books and journals Case studies
Expert Briefings Open Access Publish with us Advanced search A review on fatigue monitoring …

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 …

Performance of optical structural vibration monitoring systems in experimental modal analysis

M Kalybek, M Bocian, N Nikitas - Sensors, 2021 - mdpi.com
Image-based optical vibration measurement is an attractive alternative to the conventional
measurement of structural dynamics predominantly relying on accelerometry. Although …

Combined experimental-operational modal testing of footbridges

E Reynders, D Degrauwe, G De Roeck… - Journal of …, 2010 - ascelibrary.org
In combined vibration testing, an artificial, measured force is used in operational conditions.
This requires the identification of a system model that takes both the measured and the …

Modal systems identification of an eleven-span concrete motorway off-ramp bridge using various excitations

GW Chen, P Omenzetter, S Beskhyroun - Engineering structures, 2021 - Elsevier
This paper addresses and evaluates the influence of different types of dynamic excitation
sources on identifiability and reliability of modal parameter identification of an eleven-span …

Computing the modal mass from the state space model in combined experimental–operational modal analysis

J Cara - Journal of Sound and Vibration, 2016 - Elsevier
Modal parameters comprise natural frequencies, damping ratios, modal vectors and modal
masses. In a theoretic framework, these parameters are the basis for the solution of vibration …

A validated robust and automatic procedure for vibration analysis of bridge structures using MEMS accelerometers

M Omidalizarandi, R Herrmann, B Kargoll… - Journal of Applied …, 2020 - degruyter.com
Today, short-and long-term structural health monitoring (SHM) of bridge infrastructures and
their safe, reliable and cost-effective maintenance has received considerable attention. From …