A modified SPH method for dynamic failure simulation of heterogeneous material

Guowei Ma, Q. Wang, Xiawei Yi, X.J. Wang

    Research output: Contribution to journalArticle

    12 Citations (Scopus)

    Abstract

    A modified smoothed particle hydrodynamics (SPH) method is applied to simulate the failure process of heterogeneous materials. An elastoplastic damage model based on an extension form of the unified twin shear strength (UTSS) criterion is adopted. Polycrystalline modeling is introduced to generate the artificial microstructure of specimen for the dynamic simulation of Brazilian splitting test and uniaxial compression test. The strain rate effect on the predicted dynamic tensile and compressive strength is discussed. The final failure patterns and the dynamic strength increments demonstrate good agreements with experimental results. It is illustrated that the polycrystalline modeling approach combined with the SPH method is promising to simulate more complex failure process of heterogeneous materials. © 2014 G. W. Ma et al.
    Original languageEnglish
    Pages (from-to)1-10
    JournalMathematical Problems in Engineering
    Volume2014
    DOIs
    Publication statusPublished - 2014

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