Data for mixed-mode characterization of large displacement formulation of the cohesive zone elements using standardized tests.
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This collection brings together all the data generated for this study and the source code of the python package used to run the tests for master thesis titled: Finite Element Model For Interfaces In Compatibilized Polymer Blends: A Comparative Study on the Mixed-Mode Response of Cohesive Zone Models Implemented With Small and Large Displacement Assumptions. Summary of the thesis: Designing and modeling compatibilized polymer blends require accurate interface model. In addition, it is possible that crazing occurs during failure of the interfaces leading to large deformation prior to complete failure and therefore must be accounted for by the interface model. A preliminary literature review showed that existing formulations for the large deformation account for the nonlinearity by adjusting the assumptions. For example, Van den Bosch et al. (2007) proposed redefining the local basis at each integration point. In contrast, Reinoso and Paggi (2014) argued that this did not account for geometric nonlinearity and proposed including the first derivative of rotation vector in the finite element equation. However, the mixed-mode responses of the models were not characterized and validated …
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