Discrete dislocation plasticity approach to fast moving dislocations

A Roos*, E Metselaar, JTM De Hosson, E van der Giessen

*Bijbehorende auteur voor dit werk

    OnderzoeksoutputAcademicpeer review

    Samenvatting

    This paper concentrates on application of the so-called Discrete Dislocation Plasticity to high strain rate deformations. In particular the question is addressed if the DDP approach may capture the specific processes taking place at high strain rates. In particular the paper reports on tests of the validity of some approximations and provides some sample runs to show the applicability of the method. In assessing the results, one has to keep in mind two underpinning aspects: (1) the model is two-dimensional and (2) the results hold only in the regime where linear isotropic elasticity is valid. It was concluded that accelerations can not be neglected at very high strain rate deformations, both for the conventional and the relativistic case.

    Originele taal-2English
    TitelMULTISCALE PHENOMENA IN MATERIALS-EXPERIMENTS AND MODELING
    RedacteurenIM Robertson, DH Lassila, B Devincre, R Phillips
    Plaats van productieWARRENDALE
    UitgeverijMaterials Research Society
    Pagina's137-142
    Aantal pagina's6
    ISBN van geprinte versie1-55899-486-6
    StatusPublished - 2000
    EvenementSymposium on Multiscale Phenomena in Materials-Experiments and Modeling at the 1999 MRS Fall Meeting - , Morocco
    Duur: 30-nov-19992-dec-1999

    Publicatie series

    NaamMATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS
    UitgeverijMATERIALS RESEARCH SOCIETY
    Volume578
    ISSN van geprinte versie0272-9172

    Other

    OtherSymposium on Multiscale Phenomena in Materials-Experiments and Modeling at the 1999 MRS Fall Meeting
    Land/RegioMorocco
    Periode30/11/199902/12/1999

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