Numerical Study of Applied Continuum Mechanics for Damage Detection on a Cantilever Plate

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Abstract

Through the use of continuum mechanics, the static governing differential equation was used as an algorithm to detect delamination in composite plates. The algorithm outcome indicated whether or not the structure contained discontinuity through the presence of a residual term. The parameters of the algorithm were defined as the measured in-plane stain values, where a Savitzky-Golay (SG) filter was then used to process the governing differential equation. This paper presented a theoretical study into the use of this algorithm with an array of embedded fibre Bragg grating strain sensors. The measured inplane strains were obtained using a finite element analysis (FEA) study for a cantilever plate modelled in ANSYS Mechanical 18. This study investigated various delamination sizes ranging from 25 to 75 mm2 and the spaces between the fibre optic array consisting of 10, 20 and 40 mm. The measured strain values will be obtained from the FEA simulation through multiple ‘Construction Geometry Paths’ to illustrate the potential strain that the fibres could measure.
Original languageEnglish
Title of host publicationAdvances in Mechanics: Failure, Deformation, Fatigue, Waves and Monitoring
Subtitle of host publicationProceedings of The 11th International Conference on Structural Integrity and Failure
EditorsA V Dyskin, E Pasternak
Pages51-55
Number of pages5
ISBN (Electronic)978-1-74052-409-4
Publication statusPublished - Dec 2018
Event11th International Conference on Structural Integrity and Failure - Perth, Australia
Duration: 3 Dec 20186 Dec 2018
Conference number: 11th
https://events.uwa.edu.au/event/20180420T004351Z-3324-29839@events.uwa.edu.au/whatson/civil

Publication series

NameProceedings of The 11th International Conference on Structural Integrity and Failure

Conference

Conference11th International Conference on Structural Integrity and Failure
Abbreviated titleSIF2018
CountryAustralia
CityPerth
Period3/12/186/12/18
Internet address

Keywords

  • Non-destructive Testing
  • Savitzky-Golay Filter
  • Fibre Optic Sensors
  • Finite Element Analysis
  • Plate

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