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The effects of uncertainties within acoustic emission modelling

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  • D. Chetwynd
  • K. Worden
  • A. Spencer
  • J. Hensman


This work uses a software package created at the University of Sheffield to examine the effects of uncertainties on acoustic emission responses. This software implements a finite difference scheme called the Local Interaction Simulation Approach (LISA) to numerically model acoustic emission waveforms in a given structure. Uncertainties are then introduced into the parameters of this algorithm and the effects on the acoustic emission responses are observed. Finally, acoustic emission testing is performed on a corresponding experimental test structure to ensure that the software predictions are accurate in the presence of uncertainties.