Physical and Model Uncertainty for Fatigue Design of Composite Material

Henrik Stensgaard Toft, John Dalsgaard Sørensen

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Abstract

The main aim of the present report is to establish stochastic models for the uncertainties related to fatigue design of composite materials. The uncertainties considered are the physical uncertainty related to the static and fatigue strength and the model uncertainty related to Miners rule for linear damage accumulation. Test data analyzed are taken from the Optimat database [1] which is public available. The composite material tested within the Optimat project is normally used for wind turbine blades.
Original languageEnglish
Place of PublicationAalborg
PublisherDepartment of Civil Engineering, Aalborg University
Number of pages40
Publication statusPublished - 2010
SeriesDCE Technical reports
Number107

Keywords

  • Composite Materials
  • Fatigue Design
  • Stochastic Models
  • Fatigue Tests
  • Miners Rule
  • Model Uncertainty
  • Stress Cycle
  • Wind Turbine Blades

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