Damage tolerant design and condition monitoring of composite material and bondlines in wind turbine blades: Failure and crack propagation

Gilmar Ferreira Pereira, Lars Pilgaard Mikkelsen, Malcolm McGugan

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    Abstract

    This research presents a novel method to asses a crack growing/damage event in composite material, in polymer, or in structural adhesive using Fibre Bragg Grating (FBG) sensors embedded in the host material, and its application in to a composite material structure: Wind Turbine Trailing Edge. A Structure-Material-Sensor Finite Element Method (FEM) model was developed to simulate the Fibre Bragg Grating sensor output response, when embedded in a host material (Composite material, polymer or adhesive), during a crack growing/damage event. This Structure-Material-Sensor model provides a tool to analyse the application of this monitoring technique in other locations/structures, by predicting the sensor output and deciding, based on this, the optimal sensor distribution/configuration.
    Original languageEnglish
    Title of host publicationProceedings of EWEA Offshore 2015 Conference
    Number of pages8
    PublisherEuropean Wind Energy Association (EWEA)
    Publication date2015
    Publication statusPublished - 2015
    EventEWEA Offshore 2015 Conference - Bella Center, Copenhagen, Denmark
    Duration: 10 Mar 201512 Mar 2015

    Conference

    ConferenceEWEA Offshore 2015 Conference
    LocationBella Center
    Country/TerritoryDenmark
    CityCopenhagen
    Period10/03/201512/03/2015

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