A Hierarchical FEM approach for Simulation of Geometrical and Material induced Instability of Composite Structures

Anders L. Hansen, Erik Lund, Silvestre T. Pinho, Kim Branner

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    In this paper a hierarchical FE approach is utilized to simulate delamination in a composite plate
    loaded in uni-axial compression. Progressive delamination is modelled by use of cohesive interface
    elements that are automatically embedded. The non-linear problem is solved quasi-statically in which
    the interaction between material degradation and structural instability is solved iteratively. The effect
    of fibre bridging is studied numerically and in-plane failure is predicted using physically based failure
    criteria.
    Original languageEnglish
    Title of host publicationProceedings of Composites 2009
    Number of pages6
    Publication date2009
    Publication statusPublished - 2009
    Event2nd ECCOMAS Thematic Conference on the Mechanical Response of Composites - London (GB), 1-3 Apr
    Duration: 1 Jan 2009 → …

    Conference

    Conference2nd ECCOMAS Thematic Conference on the Mechanical Response of Composites
    CityLondon (GB), 1-3 Apr
    Period01/01/2009 → …

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