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On modelling reinforced composites exhibiting stochastic fluctuations on volume fraction: a stochastic micromechanical approach

Abstract : The study deals with the characterization of the random fluctuations of volume fraction and its impact on the overall stochastic properties in reinforced composites. A relevant probabilistic model as well as the associated stochastic solver are presented. An original experimental procedure, relying on a non-destructive ultrasonic method, is introduced and allows the parameters involved in the stochastic modelling to be determined. It is seen that the volume fraction can be modelled by a homogeneous random field whose spatial correlation lengths are determined and may provide conditions on the size of the meso-volumes to be considered.
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Submitted on : Friday, May 18, 2012 - 3:10:32 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:09 PM
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  • HAL Id : hal-00698977, version 1

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J. Guilleminot, Christian Soize, D. Kondo, C. Binetruy. On modelling reinforced composites exhibiting stochastic fluctuations on volume fraction: a stochastic micromechanical approach. XXII ICTAM, International Congress of Theoretical and Applied Mechanics, School of Mathematical Sciences, University of Adelaide,, Aug 2008, Adelaide, Australia. pp.1-2. ⟨hal-00698977⟩

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