Non-physical finite element method: Multiple material discontinuities

    Research output: Contribution to journalArticlepeer-review


    The theory proposed in the paper provides a new approach for the modelling of multiple material discontinuities. The scope of this work is restricted to numerical methods and in particular an approach that utilises the benefits of traditional continuous finite element approximations but enhanced with an increased capacity for handling material discontinuities. The approach is founded on transport forms of the governing conservation laws describing discontinuous physics by means of bespoke moving control volumes and the non-physical field concept. The theory is demonstrated through its application to steady-state and transient flyer impact-plate problems for which analytical results are available.
    Original languageEnglish
    Pages (from-to)145-160
    Number of pages15
    JournalComputers & Structures
    Publication statusPublished - Feb 2016


    • Finite element; Transport equations; Multiple material discontinuities; Impact engineering


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