Gradient enhanced damage for quasi-brittle materials

R.H.J. Peerlings, R. Borst, de, W.A.M. Brekelmans, J.H.P. Vree, de

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Samenvatting

Conventional continuum damage descriptions of material degeneration suffer fromloss of well-posedness beyond a certain level of accumulated damage. As aconsequence, numerical solutions are obtained which are unacceptable from aphysical point of view. The introduction of higher-order deformationgradients in the constitutive model is demonstrated to be an adequate remedyto this deficiency of standard damage models. A consistent numericalsolution procedure of the governing partial differential equations ispresented, which is shown to be capable of properly simulating localizationphenomena.
Originele taal-2Engels
Pagina's (van-tot)3391-3403
TijdschriftInternational Journal for Numerical Methods in Engineering
Volume39
Nummer van het tijdschrift19
DOI's
StatusGepubliceerd - 1996

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