A framework for cohesive element enrichment |
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Authors: | I Guiamatsia GAO Davies JK Ankersen L Iannucci |
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Affiliation: | aImperial College London, Dpt. Aeronautics, Prince Consort Rd., South Kensington SW7 2AZ, United Kingdom |
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Abstract: | It was shown in a previous work by the same authors that the stringent mesh size requirement on cohesive, interface elements, can be alleviated through enrichment of the finite element basis functions. In this paper, some limitations of the enriched formulation are discussed and a new maximum mesh size requirement is established. The enriched formulation is also applied here to the simulation of mixed-mode delamination for the first time. |
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Keywords: | Delamination Modelling Enriched basis functions Damage mechanics Mesh size |
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