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
CountryFinland
CityHämeenlinna
Period30/05/201101/06/2011

Keywords

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

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