Abstract
Double cantilever beam interlaminar fracture toughness sandwich specimens under different kind of dynamic loading and loading rates are investigated. The nonlinear dynamic response of those sandwich specimens being fractured during the test is numerically examined using the finite element method within the ABAQUS™ code. In such virtual tests, the dynamic displacement and stress fields are calculated and the components of the dynamic stress intensity factor are extracted from the two-dimensional finite element solutions by means of the interaction integral method. Cohesive finite elements are used for simulating the dynamic fracturing of the specimens. The influence of inertia on interfacial crack propagation in the specimens is evaluated as a direct outcome of the finite element analysis.
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Acknowledgements
The research has been supported by the POLONEZ 2 programme of the National Science Centre of Poland, grant agreement No UMO-2016/21/P/ST8/00790 co-financed by the EU’s Horizon 2020 Marie Skłodowska-Curie programme, grant agreement No 665778.
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Burlayenko, V.N., Sadowski, T., Dimitrova, S.D. (2020). Nonlinear Fracture Dynamic Analysis of Double Cantilever Beam Sandwich Specimens. In: Lacarbonara, W., Balachandran, B., Ma, J., Tenreiro Machado, J., Stepan, G. (eds) New Trends in Nonlinear Dynamics. Springer, Cham. https://doi.org/10.1007/978-3-030-34724-6_10
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DOI: https://doi.org/10.1007/978-3-030-34724-6_10
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