Acoustic emission entropy as a measure of damage in materials

A Kahirdeh, C Sauerbrunn, M Modarres - AIP Conference Proceedings, 2016 - pubs.aip.org
entropy of acoustic emission (AE) … entropy from the AE signals detected, for example from
cyclic fatigue loading of the materials. Different ways of calculation of the information entropy

Identification of fatigue damage evaluation using entropy of acoustic emission waveform

F Tanvir, T Sattar, D Mba, G Edwards - SN Applied Sciences, 2020 - Springer
… in inaccurately classified damage sources. This work presents a new feature of the signal
based on the measure of randomness calculated using second-order Renyi’s entropy. The …

Damage assessment using information entropy of individual acoustic emission waveforms during cyclic fatigue loading

CM Sauerbrunn, A Kahirdeh, H Yun, M Modarres - Applied Sciences, 2017 - mdpi.com
… Information entropy measured from acoustic emission (AE) waveforms is shown to … damage
in a high-strength aluminum alloy. Three methods of measuring the AE information entropy, …

Measures of entropy to characterize fatigue damage in metallic materials

H Yun, M Modarres - Entropy, 2019 - mdpi.com
… , and acoustic emission (AE) … to entropic damage explored as a new damage metric in this
paper relies on the statistical mechanics definition of entropy, which provides relative entropy

A new qualitative acoustic emission parameter based on Shannon's entropy for damage monitoring

M Chai, Z Zhang, Q Duan - Mechanical Systems and Signal Processing, 2018 - Elsevier
… approaching critical damage and to … damage and early failure. In this investigation, a new
qualitative AE parameter based on Shannon’s entropy, ie AE entropy is proposed for damage

Acoustic emission waveforms for damage monitoring in composite materials: Shifting in spectral density, entropy and wavelet packet transform

C Barile, C Casavola, G Pappalettera… - Structural Health …, 2022 - journals.sagepub.com
… acoustic emission data are analysed in this research work for identifying the damage modes
… density of acoustic waveforms, use of waveform entropy for selecting the best wavelet and …

Power spectral entropy of acoustic emission signal as a new damage indicator to identify the operating regime of strain hardening cementitious composites

AK Das, CKY Leung - Cement and Concrete Composites, 2019 - Elsevier
… Power Spectral Entropy (PSE), the new damage indicator to be developed in this work, is
based on the concept of information entropy, which represents the uncertainty of information [33…

Damage detection using wavelet entropy of acoustic emission waveforms in concrete under flexure

N Burud, JMC Kishen - Structural Health Monitoring, 2021 - journals.sagepub.com
entropy formulation as a wavelet entropy is utilized for discriminating spatiotemporally distributed
acoustic emission … the wavelet entropy as a signal discriminator and a damage index is …

Validation of acoustic emission waveform entropy as a damage identification feature

FT Santo, TP Sattar, G Edwards - Applied Sciences, 2019 - mdpi.com
entropy is a widely used measure of disorderness. However, in this study, ‘quadratic Renyi’s
entropy’ was chosen as a measure … choosing the ‘quadratic Renyi’s entropy’. Firstly, as it is …

A parametric approach to acoustic entropy estimation for assessment of fatigue damage

A Kahirdeh, C Sauerbrunn, H Yun… - International Journal of …, 2017 - Elsevier
entropy detected over the course of fatigue damage is presented. Information entropy and
relative entropy is … (b) The standardized cumulative acoustic emission entropy where the eight …