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Extended Moment Tensor Inversion for Fracture Mechanism of Cracks Using Energy of Acoustic Emission Waveforms.

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Title: Extended Moment Tensor Inversion for Fracture Mechanism of Cracks Using Energy of Acoustic Emission Waveforms.
Authors: Kong, Yue1 (AUTHOR), Li, Min2,3 (AUTHOR), Hu, Yuanpei4 (AUTHOR), Ma, Houbiao1,5 (AUTHOR), Chen, Weimin6,7 (AUTHOR) wmchen@imech.ac.cn
Source: Fatigue & Fracture of Engineering Materials & Structures. Jul2025, Vol. 48 Issue 7, p3067-3077. 11p.
Subjects: Aircraft exhaust emissions, Signal sampling, Energy consumption, Detectors, Noise, Acoustic emission
Abstract: The acoustic emission (AE) technology is commonly used for detecting cracks in aircrafts, and the moment tensor inversion is an advanced signal post‐processing methodology for quantitatively calculating fracture mechanism. The inversion accuracy of the traditional inversion approach is significantly dependent on precisely recorded waveforms, which require high sampling frequencies of signal recording. For reducing the requirement of sampling frequencies, an extended inversion approach for moment tensors is proposed and the accumulated energy of the signals is used to invert for fracture mechanism. The synthetic tests show that the inversion accuracy of the new inversion approach is more stable for various sampling frequencies than that of the traditional displacement‐based one. The inversion results calculated by the new approach are less sensitive to noise, and accurate results can be achieved by less sensors. Generally, the extended inversion approach can help evolve the structural health analysis of aircrafts significantly. [ABSTRACT FROM AUTHOR]
Copyright of Fatigue & Fracture of Engineering Materials & Structures is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Extended Moment Tensor Inversion for Fracture Mechanism of Cracks Using Energy of Acoustic Emission Waveforms.
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  Data: <searchLink fieldCode="AR" term="%22Kong%2C+Yue%22">Kong, Yue</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Min%22">Li, Min</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Yuanpei%22">Hu, Yuanpei</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Houbiao%22">Ma, Houbiao</searchLink><relatesTo>1,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Weimin%22">Chen, Weimin</searchLink><relatesTo>6,7</relatesTo> (AUTHOR)<i> wmchen@imech.ac.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Fatigue+%26+Fracture+of+Engineering+Materials+%26+Structures%22">Fatigue & Fracture of Engineering Materials & Structures</searchLink>. Jul2025, Vol. 48 Issue 7, p3067-3077. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Aircraft+exhaust+emissions%22">Aircraft exhaust emissions</searchLink><br /><searchLink fieldCode="DE" term="%22Signal+sampling%22">Signal sampling</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br /><searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Noise%22">Noise</searchLink><br /><searchLink fieldCode="DE" term="%22Acoustic+emission%22">Acoustic emission</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The acoustic emission (AE) technology is commonly used for detecting cracks in aircrafts, and the moment tensor inversion is an advanced signal post‐processing methodology for quantitatively calculating fracture mechanism. The inversion accuracy of the traditional inversion approach is significantly dependent on precisely recorded waveforms, which require high sampling frequencies of signal recording. For reducing the requirement of sampling frequencies, an extended inversion approach for moment tensors is proposed and the accumulated energy of the signals is used to invert for fracture mechanism. The synthetic tests show that the inversion accuracy of the new inversion approach is more stable for various sampling frequencies than that of the traditional displacement‐based one. The inversion results calculated by the new approach are less sensitive to noise, and accurate results can be achieved by less sensors. Generally, the extended inversion approach can help evolve the structural health analysis of aircrafts significantly. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Fatigue & Fracture of Engineering Materials & Structures is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1111/ffe.14660
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 3067
    Subjects:
      – SubjectFull: Aircraft exhaust emissions
        Type: general
      – SubjectFull: Signal sampling
        Type: general
      – SubjectFull: Energy consumption
        Type: general
      – SubjectFull: Detectors
        Type: general
      – SubjectFull: Noise
        Type: general
      – SubjectFull: Acoustic emission
        Type: general
    Titles:
      – TitleFull: Extended Moment Tensor Inversion for Fracture Mechanism of Cracks Using Energy of Acoustic Emission Waveforms.
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          Name:
            NameFull: Kong, Yue
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            NameFull: Li, Min
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            NameFull: Hu, Yuanpei
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            NameFull: Ma, Houbiao
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            NameFull: Chen, Weimin
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          Dates:
            – D: 01
              M: 07
              Text: Jul2025
              Type: published
              Y: 2025
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              Value: 48
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              Value: 7
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            – TitleFull: Fatigue & Fracture of Engineering Materials & Structures
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