Finite strain analyses of deformations in polymer specimens

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    Abstract

    Analyses of the stress and strain state in test specimens or structural components made of polymer are discussed. This includes the Izod impact test, based on full 3D transient analyses. Also a long thin polymer tube under internal pressure has been studied, where instabilities develop, such as bulging or necking. An axisymmetric bulge develops on the tube followed by necking in the bulge, and neck propagation is observed in both the circumferential and the axial directions. Analyses of indentation tests have been carried out, with focus on the effect of the material parameters characterizing viscoplastic flow on the indentation response. Also, the ability of the simpler expanding spherical cavity model to reproduce the trends from the 3D finite element solutions has been assessed.
    Original languageEnglish
    Title of host publicationAdvances in Mechanics: Theoretical, Computational and Interdisciplinary Issues: Proceedings of the 3rd Polish Congress of Mechanics (PCM) and 21st International Conference on Computer Methods in Mechanics (CMM)
    EditorsMichał Kleiber, Tadeusz Burczyński, Krzysztof Wilde, Jaroslaw Gorski, Karol Winkelmann, Łukasz Smakosz
    PublisherTaylor & Francis
    Publication date2016
    Pages63-64
    ISBN (Print)9781138029064
    DOIs
    Publication statusPublished - 2016
    Event3rd Polish Congress of Mechanics (PCM) and 21st International Conference on Computer Methods in Mechanics (CMM) - Gdansk, Poland
    Duration: 8 Sep 201611 Sep 2016

    Conference

    Conference3rd Polish Congress of Mechanics (PCM) and 21st International Conference on Computer Methods in Mechanics (CMM)
    Country/TerritoryPoland
    CityGdansk
    Period08/09/201611/09/2016

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