Modal Analysis Theory and Testing

By W. Heylen, P. Sas. 2005

949 citations recorded by the source corpus.

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Citations in the corpus

Operational modal analysis for estimating the dynamic properties of a stadium structure during a football game (2007, methodology): “To such a system, SDOF modal parameter estimation methods could be applied, extensively documented in the modal analysis literature [8,9].”
On exact and approximated formulations for scaling-mode shapes in operational modal analysis by mass and stiffness change (2012, methodology): “…the scaling factors of the mode shapes must be known in applications where a frequency-response matrix needs to be assembled from the modal parameters such as structural modification [14, 15], load estimation [16], health-monitoring applications [14], damage detection and localization [17], etc.”
Variance estimation of modal parameters from output-only and input/output subspace-based system identification (2016, background): “Laboratory and in-operation vibration tests are performed on structures for a modal analysis [1].”
Scaling Factor Estimation Using an Optimized Mass Change Strategy, Part 1: Theory (2007, methodology): “The sensitivity of the ith mode shape, corresponding to a local change in the mass at the kth degree of freedom, is given by (see [2 ] and [6]): { } { } { } t kt m N”
A review of vibration-based structural health monitoring with special emphasis on composite materials (2006, methodology): “A simplified form of the FDAC is referred to as the response vector assurance criterion (RVAC) (Heylen et al. (1998)), with only one applied force (so that the receptance matrix becomes a vector) and pairs of ODSs at the same frequency : (4) From this definition, Sampaio et al. (2003) and Sampaio…”
Fast maximum-likelihood identification of modal parameters with uncertainty intervals: A modal model-based formulation (2013, methodology): “Amongst those estimators were the LSCF estimator and the Least Squares Complex Exponential (LSCE) estimator ([8,10,17]).”
Interaction of manufacturing process and machine tool (2009, methodology): “The measurement can either be carried out during the process [209] or offline, tracing compliance-response functions or, if necessary, conducting a detailed modal analysis [107].”