Journal
ACTA MATERIALIA
Volume 54, Issue 13, Pages 3471-3484Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2006.03.042
Keywords
fibre reinforced composites; finite element analysis; fracture
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Representative volume elements (RVEs) have been extensively used to estimate the elastic properties of fibre-reinforced composites. Most of them rely on the assumption of a periodic distribution of fibres which is not realistic. In order to reproduce damage phenomena, such as matrix cracking, it is necessary for volume element to represent properly the random distribution of fibres (distance to first neighbors, occurrence of clusters of fibres, etc.). Therefore, a statistical RVE (SRVE) should satisfy both mechanical and point pattern criteria. The present work establishes the size of a SRVE for a typical carbon fibre reinforced polymer. It is concluded that the minimum size is delta = L/R = 50 (L the side of the element and R the fibre radius). (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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