Evaluation of damping using frequency domain operational modal analysis techniques
Abstract Operational Modal Analysis (OMA) techniques provide in most cases reasonably
accurate estimates of structural frequencies and mode shapes. In contrast though, they are …
accurate estimates of structural frequencies and mode shapes. In contrast though, they are …
Evaluation of damping using time domain OMA techniques
Abstract The prevailing Operational Modal Analysis (OMA) techniques provide in most cases
reasonably accurate estimates of structural frequencies and mode shapes. In contrast …
reasonably accurate estimates of structural frequencies and mode shapes. In contrast …
Accurate damping estimation by automated OMA procedures
C Rainieri, G Fabbrocino - Topics in Dynamics of Civil Structures, Volume …, 2013 - Springer
Abstract Systems and techniques for fast damage detection based on vibration analysis are
becoming very attractive in different engineering fields. Modal-based damage detection …
becoming very attractive in different engineering fields. Modal-based damage detection …
Damping estimates from reconstructed displacement for low-frequency dominant structures
This paper proposes a new concept for the estimation of modal damping ratios. This new
concept is based on an operational modal analysis (OMA) technique that uses dynamic …
concept is based on an operational modal analysis (OMA) technique that uses dynamic …
Evaluation of damping estimates in the presence of closely spaced modes using operational modal analysis techniques
Abstract The Operational Modal Analysis (OMA) techniques provide in most cases
reasonably accurate estimates of structural frequencies and mode shapes. They are …
reasonably accurate estimates of structural frequencies and mode shapes. They are …
A Principle for Obtaining Pragmatic Uncertainty Bounds on Modal Parameters
JG Kjeld, A Brandt - Topics in Modal Analysis & Testing, Volume 8 …, 2021 - Springer
In the field of structural dynamics, determination of damping contributions of civil structures is
a subject influenced with considerable uncertainties. Many different modal parameter …
a subject influenced with considerable uncertainties. Many different modal parameter …
[PDF][PDF] Estimation of modal dampings for unmeasured modes
F Pápai, S Adhikari, BT Wang - Slovak Journal of Civil Engineering, 2012 - sciendo.com
Damping effects are of great interest for structural analysis and evaluations. Structural modal
damping characteristics can be obtained from experiments. This paper introduces new …
damping characteristics can be obtained from experiments. This paper introduces new …
Exploration of the impacts of driving frequencies on damping estimates
PT Brewick, AW Smyth - Journal of Engineering Mechanics, 2015 - ascelibrary.org
Accurate estimation of the damping in a structure has remained an important but challenging
problem for the structural engineering community. The relative difficulty of damping …
problem for the structural engineering community. The relative difficulty of damping …
Output-only estimation of amplitude dependent friction-induced damping
Identification of modal parameters, when a structure is under operational conditions is
termed Operational Modal Analysis (OMA). Current OMA techniques are based on the …
termed Operational Modal Analysis (OMA). Current OMA techniques are based on the …
Parameter estimation and signal processing techniques for operational modal analysis
S Chauhan - 2008 - rave.ohiolink.edu
Abstract Operational Modal Analysis (OMA) is a technique that characterizes a
structure/system on the basis of output responses only. It is an emerging field in structural …
structure/system on the basis of output responses only. It is an emerging field in structural …