Influence of Crack Distribution on the Responses of the Homogenized Unidirectional Composites

摘要

In this research, the influence of the number of cracks and the location of a crack onthe responses of composites is studied. The representative unit cells are divided intotwo groups. In the first group, one crack, two cracks, three cracks, and five cracks,respectively, are implemented in individual RUC, respectively. In the second group, acrack is placed at different locations in four separate RUCs. Each RUC is subject tocompression, tension in the x direction, compression, tension in the y direction, andshear deformation. The results show that cracks propagate in some RUC under tensionand cracks propagate in some RUCs under compression. The interaction can beobserved from the cracks that are in close distance. The results show the crack numberand crack distribution has significant influence on the responses of crack evolutioninside microstructures.