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... problem is defined. At each material point x ∈ Ω we associate a micro- scale domain Ω µ called RVE (Representative Volume Element) such that µ // 1, where µ and are characteristics lengths related to the micro-scale and macro-scale respectively. The size µ is chosen such that Ω µ is a representative volume of the material heterogeneities (see Fig. 2). The micro-scale points y ∈ Ω µ are referred to a local coordinate system centred in the geometrical centre of the RVE. Thus, by definition, we ...
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