Application of empirical mode decomposition to drive-by bridge damage detection
A new method is proposed in this paper for bridge damage detection using the response
measured in a passing vehicle. It is shown theoretically that such a response includes three …
measured in a passing vehicle. It is shown theoretically that such a response includes three …
Mechanistic insights into human brain impact dynamics through modal analysis
Although concussion is one of the greatest health challenges today, our physical
understanding of the cause of injury is limited. In this Letter, we simulated football head …
understanding of the cause of injury is limited. In this Letter, we simulated football head …
Nonlinear system identification of frictional effects in a beam with a bolted joint connection
We perform nonlinear system identification (NSI) of the effects of frictional connections in the
dynamics of a bolted beam assembly. The methodology utilized in this work combines …
dynamics of a bolted beam assembly. The methodology utilized in this work combines …
Wavelet-bounded empirical mode decomposition for measured time series analysis
Empirical mode decomposition (EMD) is a powerful technique for separating the transient
responses of nonlinear and nonstationary systems into finite sets of nearly orthogonal …
responses of nonlinear and nonstationary systems into finite sets of nearly orthogonal …
Experimental system identification of the dynamics of a vibro-impact beam with a view towards structural health monitoring and damage detection
We perform nonlinear system identification (NSI) on the acceleration signals that were
experimentally measured at ten, almost evenly spaced positions along a cantilever beam …
experimentally measured at ten, almost evenly spaced positions along a cantilever beam …
A quasi-static non-linear modal analysis procedure extending Rayleigh quotient stationarity for non-conservative dynamical systems
Abstract Non-linear Modal Analysis (NMA) refers to a class of analysis procedures that seek
to characterize non-linear dynamical systems similar to how classical linear modal analysis …
to characterize non-linear dynamical systems similar to how classical linear modal analysis …
Vibration response comparison of twisted shrouded blades using different impact models
F Xie, H Ma, C Cui, B Wen - Journal of Sound and Vibration, 2017 - Elsevier
On the basis of our previous work (Ma et al., 2016, Journal of Sound and Vibration, 378, 92–
108)[36], an improved analytical model (IAM) of a rotating twisted shrouded blade with …
108)[36], an improved analytical model (IAM) of a rotating twisted shrouded blade with …
Recovery of differential equations from impulse response time series data for model identification and feature extraction
Time recordings of impulse-type oscillation responses are short and highly transient. These
characteristics may complicate the usage of classical spectral signal processing techniques …
characteristics may complicate the usage of classical spectral signal processing techniques …
Amplified flow imaging (aflow): A novel mri-based tool to unravel the coupled dynamics between the human brain and cerebrovasculature
J Abderezaei, J Martinez, I Terem… - … on Medical Imaging, 2020 - ieeexplore.ieee.org
With each heartbeat, periodic variations in arterial blood pressure are transmitted along the
vasculature, resulting in localized deformations of the arterial wall and its surrounding tissue …
vasculature, resulting in localized deformations of the arterial wall and its surrounding tissue …
Methodology for nonlinear quantification of a flexible beam with a local, strong nonlinearity
CA Herrera, DM McFarland, LA Bergman… - Journal of Sound and …, 2017 - Elsevier
This study presents a methodology for nonlinear quantification, ie, the identification of the
linear and nonlinear regimes and estimation of the degree of nonlinearity, for a cantilever …
linear and nonlinear regimes and estimation of the degree of nonlinearity, for a cantilever …