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G.A. Drosopoulos, M.E. Stavroulaki, K. Giannis, L. Plymakis, G.E. Stavroulakis, P. Wriggers, "Computational Homogenization in Masonry Structures", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 241, 2014. doi:10.4203/ccp.106.241

Keywords: masonry structures, structural analysis, non-linear homogenization..

Summary

Non-linear homogenization techniques based on the use of the finite element method are tested, in this paper, for the study of heterogeneous materials. The practical steps of a computational homogenization approach and representative examples related to masonry structures and ceramic materials are presented. The non-linear representative volume elements (RVE) of a masonry structure, including parts with elastoplastic material behaviour (mortar), and a ceramic material with a unilateral contact interface (crack), are created and solved. Parametric analysis has been chosen and used for the description of the strain loading. The average stress and strain in the RVE domain are then calculated. In addition, the stiffness is estimated for each loading level. Finally, two databases for the stiffness and the stress are created, a metamodel based on MATLAB interpolation is used, and an overall non-linear homogenization procedure, is considered. The satisfactory results obtained from the comparison between direct heterogeneous macroscopic models created by commercial software show that the proposed method can be used for the simulation of non-linear heterogeneous structures.

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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: 106 PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by: Paper 241 Computational Homogenization in Masonry Structures G.A. Drosopoulos^1,2, M.E. Stavroulaki², K. Giannis², L. Plymakis², G.E. Stavroulakis² and P. Wriggers¹ ¹Leibniz University of Hannover, Germany ²Technical University of Crete, Greece doi:10.4203/ccp.106.241 purchase the full-text of this paper Full Bibliographic Reference for this paper G.A. Drosopoulos, M.E. Stavroulaki, K. Giannis, L. Plymakis, G.E. Stavroulakis, P. Wriggers, "Computational Homogenization in Masonry Structures", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 241, 2014. doi:10.4203/ccp.106.241 Keywords: masonry structures, structural analysis, non-linear homogenization.. Summary Non-linear homogenization techniques based on the use of the finite element method are tested, in this paper, for the study of heterogeneous materials. The practical steps of a computational homogenization approach and representative examples related to masonry structures and ceramic materials are presented. The non-linear representative volume elements (RVE) of a masonry structure, including parts with elastoplastic material behaviour (mortar), and a ceramic material with a unilateral contact interface (crack), are created and solved. Parametric analysis has been chosen and used for the description of the strain loading. The average stress and strain in the RVE domain are then calculated. In addition, the stiffness is estimated for each loading level. Finally, two databases for the stiffness and the stress are created, a metamodel based on MATLAB interpolation is used, and an overall non-linear homogenization procedure, is considered. The satisfactory results obtained from the comparison between direct heterogeneous macroscopic models created by commercial software show that the proposed method can be used for the simulation of non-linear heterogeneous structures. 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 £65 +P&P)
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