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Shear-mode viscoelastic damage formulation interface element: 15th International Conference on Fracture and Damage Mechanics, FDM 2016

Shear-mode viscoelastic damage formulation interface element: 15th International Conference on Fracture and Damage Mechanics, FDM 2016
Shear-mode viscoelastic damage formulation interface element: 15th International Conference on Fracture and Damage Mechanics, FDM 2016
In this paper, a viscoelastic-damage cohesive zone model is formulated and discussed. The interface element constitutive law has two elastic and damage regimes. Viscoelastic behaviour has been assumed for the shear stress in the elastic regime. Three element Voigt model has been used for the formulation of relaxation modulus of the material. Shear Stress has been evaluated in the elastic regime of the interface with integration over the history of the applied strain at the interface. Damage evolution proceeds according to the bilinear cohesive constitutive law up to the complete decohesion. Numerical examples for one element model has been presented to see the effect of parameters on cohesive constitutive law.
cohesive zone, delamination, interface element, viscoelasticity
Trans Tech
Goodarzi, M. Saeed
103f12d3-5ece-42c7-a5a3-4241b6b975f7
Hosseini-Toudeshky, Hossein
772af740-2748-4c22-8aa3-69868fb29673
Jalalvand, Meisam
21ef0df8-fc7c-4466-a2fc-ee98ed3408a2
Toribio, J.
Mantic, V.
Saez, A.
Aliabadi, M.H.F.
Goodarzi, M. Saeed
103f12d3-5ece-42c7-a5a3-4241b6b975f7
Hosseini-Toudeshky, Hossein
772af740-2748-4c22-8aa3-69868fb29673
Jalalvand, Meisam
21ef0df8-fc7c-4466-a2fc-ee98ed3408a2
Toribio, J.
Mantic, V.
Saez, A.
Aliabadi, M.H.F.

Goodarzi, M. Saeed, Hosseini-Toudeshky, Hossein and Jalalvand, Meisam (2016) Shear-mode viscoelastic damage formulation interface element: 15th International Conference on Fracture and Damage Mechanics, FDM 2016. Toribio, J., Mantic, V., Saez, A. and Aliabadi, M.H.F. (eds.) In 15th International Conference on Fracture and Damage Mechanics, FDM 2016. Trans Tech. 4 pp . (doi:10.4028/www.scientific.net/KEM.713.167).

Record type: Conference or Workshop Item (Paper)

Abstract

In this paper, a viscoelastic-damage cohesive zone model is formulated and discussed. The interface element constitutive law has two elastic and damage regimes. Viscoelastic behaviour has been assumed for the shear stress in the elastic regime. Three element Voigt model has been used for the formulation of relaxation modulus of the material. Shear Stress has been evaluated in the elastic regime of the interface with integration over the history of the applied strain at the interface. Damage evolution proceeds according to the bilinear cohesive constitutive law up to the complete decohesion. Numerical examples for one element model has been presented to see the effect of parameters on cohesive constitutive law.

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More information

Published date: 30 September 2016
Keywords: cohesive zone, delamination, interface element, viscoelasticity

Identifiers

Local EPrints ID: 446779
URI: http://eprints.soton.ac.uk/id/eprint/446779
PURE UUID: a89da220-e8ee-43af-8816-ed6f35705cc7
ORCID for Meisam Jalalvand: ORCID iD orcid.org/0000-0003-4691-6252

Catalogue record

Date deposited: 22 Feb 2021 17:32
Last modified: 23 Feb 2021 02:58

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Contributors

Author: M. Saeed Goodarzi
Author: Hossein Hosseini-Toudeshky
Editor: J. Toribio
Editor: V. Mantic
Editor: A. Saez
Editor: M.H.F. Aliabadi

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