Finite Element Computational Approach of Fracture Toughness in Composite Compact - Tension Specimen
نویسندگان
چکیده
For composite structure, fracture toughness is a dominant parameter when using cohesive laws to predict the nominal strength. In the present study the compact tension test is performed on composites structures and is simulated using FEM. The process of fracture takes places in two sequential stages, crack initiation and crack propagation. The critical energy release rate is determined using the FE modeling through J-integral calculation then is validated by available references experimental data. By comparing the model predictions and experimental data, a good correlation is obtained.
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