Crack propagation in viscoelastic structures: Theoretical and numerical analyses

Sy Tuan Nguyen; L. Dormieux; Y. Le Pape; J. Sanahuja

doi:10.1016/j.commatsci.2010.07.010

Crack propagation in viscoelastic structures: Theoretical and numerical analyses

Sy Tuan Nguyen, L. Dormieux, Y. Le Pape, J. Sanahuja

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

In the case of a brittle viscoelastic medium, the existence of a viscous dissipation affects the propagation of cracks. The paper first revisits the thermodynamic framework of Griffith's theory extended to viscoelastic media. A criterion for propagation is derived in the form of a threshold for the driving force of the phenomenon. Analytical and numerical implementations are presented. The driving force of propagation and the evolution of the crack length are found to be very sensitive to the loading rate.

Original language	English
Pages (from-to)	83-91
Number of pages	9
Journal	Computational Materials Science
Volume	50
Issue number	1
DOIs	https://doi.org/10.1016/j.commatsci.2010.07.010
State	Published - Nov 2010
Externally published	Yes

Keywords

Crack
Energy
Propagation
Viscoelasticity

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abstract = "In the case of a brittle viscoelastic medium, the existence of a viscous dissipation affects the propagation of cracks. The paper first revisits the thermodynamic framework of Griffith's theory extended to viscoelastic media. A criterion for propagation is derived in the form of a threshold for the driving force of the phenomenon. Analytical and numerical implementations are presented. The driving force of propagation and the evolution of the crack length are found to be very sensitive to the loading rate.",

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author = "Nguyen, {Sy Tuan} and L. Dormieux and {Le Pape}, Y. and J. Sanahuja",

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T2 - Theoretical and numerical analyses

AU - Nguyen, Sy Tuan

AU - Dormieux, L.

AU - Le Pape, Y.

AU - Sanahuja, J.

PY - 2010/11

Y1 - 2010/11

N2 - In the case of a brittle viscoelastic medium, the existence of a viscous dissipation affects the propagation of cracks. The paper first revisits the thermodynamic framework of Griffith's theory extended to viscoelastic media. A criterion for propagation is derived in the form of a threshold for the driving force of the phenomenon. Analytical and numerical implementations are presented. The driving force of propagation and the evolution of the crack length are found to be very sensitive to the loading rate.

AB - In the case of a brittle viscoelastic medium, the existence of a viscous dissipation affects the propagation of cracks. The paper first revisits the thermodynamic framework of Griffith's theory extended to viscoelastic media. A criterion for propagation is derived in the form of a threshold for the driving force of the phenomenon. Analytical and numerical implementations are presented. The driving force of propagation and the evolution of the crack length are found to be very sensitive to the loading rate.

KW - Crack

KW - Energy

KW - Propagation

KW - Viscoelasticity

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VL - 50

SP - 83

EP - 91

JO - Computational Materials Science

JF - Computational Materials Science

IS - 1

ER -

Crack propagation in viscoelastic structures: Theoretical and numerical analyses

Abstract

Keywords

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