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Computational Science, Engineering & Technology Series
ISSN 1759-3158
Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping
Chapter 1

Computational Issues in Multifield, Multiscale and Three-Dimensional Structural Engineering

C.E. Majorana, V.A. Salomoni, G. Xotta, B. Pomaro and G. Mazzucco

Department of Civil, Environmental and Architectural Engineering, University of Padova, Italy

Full Bibliographic Reference for this chapter
C.E. Majorana, V.A. Salomoni, G. Xotta, B. Pomaro, G. Mazzucco, "Computational Issues in Multifield, Multiscale and Three-Dimensional Structural Engineering", in J. Kruis, Y. Tsompanakis and B.H.V. Topping, (Editors), "Computational Techniques for Civil and Structural Engineering", Saxe-Coburg Publications, Stirlingshire, UK, Chapter 1, pp 1-41, 2015. doi:10.4203/csets.38.1
Keywords: concrete modeling, thermo-hygro-mechanics, creep, damage, spalling, nuclear radiation, fibre reinforced polymers, recycled aggregates.

Modern structural engineering design is increasingly based on complex computational models where multifield, multiscale and fully three dimensional geometric description play a fundamental role. Structures constructed from concrete material of different mix and strength are widely used for several applications, from common to special cases. In this paper an approach to the analysis of concrete structures as a multiphase media, where a porous solid is considered and voids are filled with a mixture of liquid and gas, is taken into account. Moreover, temperature transients take an important role in applications such as structures subject to high temperature and fire.

Depending on the depth of investigation, meso-, micro- and nano-scales are needed in place of the more common macroscale, usually adopted in the past. The variety of applications of this multifield, multiscale approach is demonstrated in recent years by the results of the investigation of many researchers worldwide, and it is also emphasized in this paper.

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