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Delamination analysis of holed composite laminates using interface elements

Delamination analysis of holed composite laminates using interface elements
Delamination analysis of holed composite laminates using interface elements
In this paper interface element with de-cohesive constitutive law is used to predict the failure load of laminates containing a central hole in which delamination is the dominant failure mode of them. For this purpose, the initiation and propagation of inter- laminar crack are modeled using our in hose FEM code. It is shown that at a certain load step, the interface elements between the two layers of -45° and 0° fail abruptly. It is also shown that the predicted failure stresses of laminates with various thicknesses are in an acceptable agreement with the experimental results.
composite, delamination, hole, interface element, laminate
1877-7058
39-42
Hosseini-Toudeshky, H.
772af740-2748-4c22-8aa3-69868fb29673
Jalalvand, M.
21ef0df8-fc7c-4466-a2fc-ee98ed3408a2
Mohammadi, B.
8ed8063d-0604-47c6-ba5f-6a69d95e594d
Hosseini-Toudeshky, H.
772af740-2748-4c22-8aa3-69868fb29673
Jalalvand, M.
21ef0df8-fc7c-4466-a2fc-ee98ed3408a2
Mohammadi, B.
8ed8063d-0604-47c6-ba5f-6a69d95e594d

Hosseini-Toudeshky, H., Jalalvand, M. and Mohammadi, B. (2009) Delamination analysis of holed composite laminates using interface elements. Procedia Engineering, 1 (1), 39-42. (doi:10.1016/j.proeng.2009.06.011).

Record type: Article

Abstract

In this paper interface element with de-cohesive constitutive law is used to predict the failure load of laminates containing a central hole in which delamination is the dominant failure mode of them. For this purpose, the initiation and propagation of inter- laminar crack are modeled using our in hose FEM code. It is shown that at a certain load step, the interface elements between the two layers of -45° and 0° fail abruptly. It is also shown that the predicted failure stresses of laminates with various thicknesses are in an acceptable agreement with the experimental results.

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Published date: 31 July 2009
Keywords: composite, delamination, hole, interface element, laminate

Identifiers

Local EPrints ID: 446509
URI: http://eprints.soton.ac.uk/id/eprint/446509
ISSN: 1877-7058
PURE UUID: 2025a661-4892-4f37-96f0-d002353821e5
ORCID for M. Jalalvand: ORCID iD orcid.org/0000-0003-4691-6252

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Date deposited: 12 Feb 2021 17:30
Last modified: 18 Feb 2021 17:42

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Contributors

Author: H. Hosseini-Toudeshky
Author: M. Jalalvand ORCID iD
Author: B. Mohammadi

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