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The effect of material stochasticity on crack-damage interaction and crack propagation.

Silberschmidt, V.V. (1) (1994) The effect of material stochasticity on crack-damage interaction and crack propagation. Engineering Fracture Mechanics, Vol. 48, No.3, pp. 379-387.

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Abstract

The problem of propagating crack characterization is examined for a case of a stochastic brittle medium. Crack-damage interaction and its influence on fracture kinetics are accounted for by means of continuum damage mechanics and stochastic values of stress intensity factor. The two-dimensional problem of a crack propagation in a rectangular cross-section of a notched specimen is numerically simulated. It is shown that the fractal dimension of a crack front is a fracture process invariant for stochastic materials.The effect of a material's stochasticity on the characteristic features of crack propagation and on the crack front morphology is studied.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1994,
Title:The effect of material stochasticity on crack-damage interaction and crack propagation.
Authors:
AuthorsInstitution or Email of Authors
Silberschmidt, V.V. (1)UNSPECIFIED
Date:1994
Journal or Publication Title:Engineering Fracture Mechanics, Vol. 48, No.3
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 379-387
Status:Published
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L SI - Versuchs- und Simulationstechniken
DLR - Research theme (Project):UNSPECIFIED
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Institut für Strukturmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 11:59

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