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Discrete analysis of localisation in three-dimensional solids


Type

Conference Object

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Authors

Wells, GN 
Sluys, LJ 

Abstract

A procedure is illustrated for the determination of the normal direction of a discontinuity plane within a solid finite element. Using so-called embedded discontinuities, discrete constitutive models can be applied within a continuum framework. A significant difficulty within this method for three-dimensional problems is the determination of the normal direction for a discontinuity. Bifurcation analysis indicates the development of a discontinuity and multiple solution for the normal. The procedure developed here chooses the appropriate normal by exploiting features of the embedded discontinuity method.

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Keywords

strong discontinuity, bifurcation, plasticity, localisation

Journal Title

Proceedings of the European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS'00)

Conference Name

European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS'00)

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Publisher

ECCOMAS

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