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Paper 150

Modelling Fresh Concrete Flow through Reinforcing Bars with Computational Homogenization

F. Kolarík¹, B. Patzák¹ and J. Zeman^1,2

¹Department of Mechanics, Faculty of Civil Engineering, CTU in Prague, Czech Republic
²Centre of Excellence IT4Innovations, VSB - Technical University of Ostrava, Czech Republic

doi:10.4203/ccp.108.150

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, "Modelling Fresh Concrete Flow through Reinforcing Bars with Computational Homogenization", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 150, 2015. doi:10.4203/ccp.108.150

Keywords: flow, concrete, homogenization, Darcy, Stokes, multi-scale.

Summary

This paper focuses on modeling of fresh concrete flow through the reinforcement. The fresh concrete is considered as a single homogeneous fluid. A Newtonian model is used as a first approximation of the constitutive relation. Flow of the concrete through the reinforced area is modeled as a Darcy flow in a porous media. Permeability of the porous area is obtained by homogenization of the Stokes flow over a representative volume element. Comparison of the homogenized solution and direct simulation is discussed.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 108 PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping Paper 150 Modelling Fresh Concrete Flow through Reinforcing Bars with Computational Homogenization F. Kolarík¹, B. Patzák¹ and J. Zeman^1,2 ¹Department of Mechanics, Faculty of Civil Engineering, CTU in Prague, Czech Republic ²Centre of Excellence IT4Innovations, VSB - Technical University of Ostrava, Czech Republic doi:10.4203/ccp.108.150 purchase the full-text of this paper Full Bibliographic Reference for this paper , "Modelling Fresh Concrete Flow through Reinforcing Bars with Computational Homogenization", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 150, 2015. doi:10.4203/ccp.108.150 Keywords: flow, concrete, homogenization, Darcy, Stokes, multi-scale. Summary This paper focuses on modeling of fresh concrete flow through the reinforcement. The fresh concrete is considered as a single homogeneous fluid. A Newtonian model is used as a first approximation of the constitutive relation. Flow of the concrete through the reinforced area is modeled as a Darcy flow in a porous media. Permeability of the porous area is obtained by homogenization of the Stokes flow over a representative volume element. Comparison of the homogenized solution and direct simulation is discussed. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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