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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