Applications of domain decomposition techniques for the multiscale modelling of softening materials

Conference paper (2009)
Department
Structural Engineering (CEG) (TU Delft)
Copyright: © 2009 The Author(s)
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Published Date

02-09-2009

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Source:

COMPLAS 2009: Proceedings of the 10th International Conference on Computational Plasticity: Fundamentals and Applications, Barcelona, Spain, 2-4 September 2009

Faculty

Civil Engineering and Geosciences

Department

Structural Engineering

Abstract

In this contribution we describe a methodology for the study of softening brittle materials at different scales of observation. The goal is to account for a higher resolution at those areas that undergo the non-linear processes. We apply the FETI (Finite Element Tearing and Interconnecting) technique to glue different domain resolutions during the non-linear analysis. The present framework is suitable for multiscale problems in which the scale separation principle does not hold and, consequently, the use of classical homogenization techniques is no longer possible.

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