Discrete element modelling of agglomerate impact using autoadhesive elastic-plastic particles

Lianfeng Liu, Colin Thornton, Stephen James Shaw, Emmanuel M. Tadjouddine

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)
267 Downloads (Pure)


In this study, the impact of agglomerates composed of autoadhesive, elastic-plastic primary particles are simulated using the discrete element method. Results obtained are compared to the impact breakage of an agglomerate of autoadhesive elastic particles. It is found that, for the same impact velocity, the elastic agglomerate fractures but the elastic-plastic agglomerate disintegrates adjacent to the impact site. For the elastic-plastic agglomerate, the impact damage increases with increase in material yield stress. It is also found that the particle size distribution of the debris is more accurately defined by a logarithmic function rather than the power law function commonly obtained for impacts of agglomerates composed of elastic particles.
Original languageEnglish
Pages (from-to)81-88
JournalPowder Technology
Early online date14 Apr 2016
Publication statusPublished - 1 Sept 2016


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