Modelling of rate effects at multiple scales

R.R. Pedersen, A. Simone, L. J. Sluys

    Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearch

    Abstract

    At the macro- and meso-scales a rate dependent constitutive model is
    used in which visco-elasticity is coupled to visco-plasticity and damage.

    A viscous length scale effect is introduced to control
    the size of the fracture process zone.
    By comparison of the widths of the fracture process zone,
    the length scale in the meso-model and the macro-model
    can be coupled. In this fashion, a bridging of length scales can be
    established. A computational analysis of  a Split Hopkinson bar test at medium and high
    impact load is carried out at macro-scale and meso-scale including information from 
    the micro-scale.

    Original languageEnglish
    Title of host publication8th World Congress on Computational Mechanics, WCCM, and 5th European Congress on Computational Methods in Applied Science and Engineering, ECCOMAS, 2008
    EditorsB. A. Schrefler, U. Perego
    Number of pages2
    Publication date2008
    Publication statusPublished - 2008
    Event8th World Congress on Computational Mechanics, WCCM, and 5th European Congress on Computational Methods in Applied Science and Engineering, ECCOMAS, 2008 - Venedig, Italy
    Duration: 30 Jun 20084 Jul 2008

    Conference

    Conference8th World Congress on Computational Mechanics, WCCM, and 5th European Congress on Computational Methods in Applied Science and Engineering, ECCOMAS, 2008
    Country/TerritoryItaly
    CityVenedig
    Period30/06/200804/07/2008

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