Lower bound plane stress element for modelling 3D structures

Morten Andersen Herfelt, Peter Noe Poulsen, Linh Cao Hoang, Jesper Frøbert Jensen

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    Abstract

    In-plane action is often the primary load-carrying mechanism of reinforced concrete structures. The plate bending action will be secondary, and the behaviour of the structure can be modelled with a reasonable accuracy using a generalised three-dimensional plane stress element. In this paper, the formulation of such an element is given and the Mohr-Coulomb and von Mises criteria are presented for second-order cone programming. Three examples of increasing complexity are used to analyse the performance of the element and the convergence rate and to demonstrate the potential of the proposed element.
    Original languageEnglish
    JournalProceedings of the Institution of Civil Engineers - Engineering and Computational Mechanics
    Volume170
    Issue number3
    Pages (from-to)107-117
    Number of pages11
    ISSN1755-0777
    DOIs
    Publication statusPublished - 2017

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