Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7892750 | Composites Part A: Applied Science and Manufacturing | 2013 | 10 Pages |
Abstract
Thermo-elastic constants of symmetric and balanced laminates with intralaminar cracks in 90-layers depend on the opening displacement (COD) of the crack. The COD dependence on the interaction between cracks in the same layer is studied using FEM. The COD dependence on crack density is described by interaction function in form of tanh(). This interaction function multiplied with COD of non-interactive crack is the input parameter in analytical model for thermo-elastic properties of damaged symmetric and balanced laminates. Predictions performed for cross-ply laminates with cracks in inside and in surface layers and for quasi-isotropic laminates with different position of the 90-layer are in a very good agreement with direct FEM calculations.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Mohamed Sahbi Loukil, Janis Varna, Zoubir Ayadi,