Experimental and numerical investigation of plywood progressive failure in CT tests

Ivelin Ivanov; Tomasz  Sadowski; Magdalena  Filipiak; Marcin  Kneć

doi:10.35784/bud-arch.2313

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Published: Jun 11, 2008

DOI: https://doi.org/10.35784/bud-arch.2313

DOI

https://doi.org/10.35784/bud-arch.2313

Authors

Ivelin Ivanov

wb.bia@pollub.pl

Department of Engineering Mechanics; University of Rousse; 8 Studentska str., Rousse 7017; Bulgaria

Tomasz Sadowski

t.sadowski@pollub.pl

Department of Solid Mechanics; Faculty of Civil Engineering and Architecture; University of Technology in Lublin

http://orcid.org/0000-0001-9212-8340

Magdalena Filipiak

wb.bia@pollub.pl

Department of Solid Mechanics; Faculty of Civil Engineering and Architecture; University of Technology in Lublin

Marcin Kneć

m.knec@pollub.pl

Applied Mechanics Department; Faculty of Mechanical Engineering; Lublin University of Technology

https://orcid.org/0000-0002-1974-7345

Abstract

The plywood is considered as a layered cross-ply unidirectional fibre reinforced composite. The experimental Compact Tension (CT) tests carried out in different directions of plywood fibre orientation show that the characteristics of damages are fibre bundle rupture, matrix cracking along the fibres, and delamination at the ply interlayers of glue. The plywood CT specimens are modelled by continuum shell and cohesive finite elements with damage evolution in material models. The Finite Element (FE) model simulates the experimental behaviour of plywood samples very well and allows deep investigation of the different types of damage development and interaction. The FE model of plywood is useful for its lay-up optimization and for development of very efficient in large-scale simulations computational models of plywood.

Keywords:

plywood, veneer, progressive failure, damage, finite element model, finite element simulation

References

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Ivanov, I. (2008) “Experimental and numerical investigation of plywood progressive failure in CT tests”, Budownictwo i Architektura, 2(1), pp. 079–094. doi: 10.35784/bud-arch.2313.

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