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Combined finite element and peridynamic analyses for predicting failure in a stiffened composite curved panel with a central slot

Oterkus, Erkan and Madenci, Erdogan and Weckner, Olaf and Silling, Stewart and Bogert, Philip and Tessler, Alexander (2012) Combined finite element and peridynamic analyses for predicting failure in a stiffened composite curved panel with a central slot. Composite Structures, 94 (3). 839–850. ISSN 0263-8223

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Abstract

This study presents an analysis approach based on a merger of the finite element method and the peridynamic theory. Its validity is established through qualitative and quantitative comparisons against the test results for a stiffened composite curved panel with a central slot under combined internal pressure and axial tension. The predicted initial and final failure loads, as well as the final failure modes, are in close agreement with the experimental observations. This approach demonstrates the capability of the PD approach to assess the durability of complex composite structures.