Prediction of flow induced inhomogeneities in self compacting concrete

Jan Skocek, Oldřich Švec, Mette Rica Geiker, Nicolas Roussel

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    Abstract

    A model for simulation of flow of suspension of a non-Newtonian fluid and particles of arbitrary shape is briefly introduced and demonstrated on examples of flow of self compacting concrete. The model is based on the lattice Boltzmann method for flow, the immersed boundary method with direct forcing representing the fluid - particle interactions, newly developed algorithm solving the dynamics and interactions of particles and a free surface algorithm based on the mass tracing algorithm. These techniques separating the complex problem into several levels result in a robust and accurate model that allows direct fully coupled simulations of typical laboratory experiments.
    Original languageEnglish
    Title of host publicationProceedings of XXI Nordic Concrete Research Symposium
    Publication date2011
    ISBN (Print)978-82-8208-025-5
    Publication statusPublished - 2011
    Event21st Nordic Concrete Research Symposium - Hämeenlinna, Finland
    Duration: 30 May 20111 Jun 2011
    Conference number: 21

    Conference

    Conference21st Nordic Concrete Research Symposium
    Number21
    Country/TerritoryFinland
    CityHämeenlinna
    Period30/05/201101/06/2011

    Keywords

    • Rheology
    • Segregation
    • Self compacting concrete
    • Flow prediction
    • Casting

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