Prediction of delamination propagation in polymer composites
Sign Up to like & getrecommendations! Published in 2019 at "Composites Part A: Applied Science and Manufacturing"
DOI: 10.1016/j.compositesa.2019.05.035
Abstract: Abstract Delamination within composite laminates has been typically characterized by the critical strain energy release rate, or fracture toughness, by performing double cantilever beam (DCB) tests. However, significant variations of the fracture toughness can occur… read more here.
Keywords: prediction delamination; dcb test; delamination propagation; delamination ... See more keywords
Post-buckling induced delamination propagation of composite laminates with bi-nonlinear properties and anti-penetrating interaction effects
Sign Up to like & getrecommendations! Published in 2019 at "Composites Part B: Engineering"
DOI: 10.1016/j.compositesb.2018.11.082
Abstract: Abstract This paper presents a unique theoretical analysis for the multiple failures of in-plane loaded composite laminates containing a through-width delamination. Under the action of the in-plane load, the delaminated laminates undergo first post buckling… read more here.
Keywords: delamination; anti penetrating; delamination propagation; post buckling ... See more keywords
Appropriate shape of cohesive zone model for delamination propagation in ENF specimens with R-curve effects
Sign Up to like & getrecommendations! Published in 2017 at "Theoretical and Applied Fracture Mechanics"
DOI: 10.1016/j.tafmec.2017.04.009
Abstract: Abstract Shape and parameters of a cohesive zone model (CZM) significantly affect the finite element modeling of delamination propagation in composites. The influence of various forms of interface laws on the delamination initiation and propagation… read more here.
Keywords: delamination propagation; delamination; zone; enf specimens ... See more keywords
Finite element modeling strategies for 2D and 3D delamination propagation in composite DCB specimens using VCCT, CZM and XFEM approaches
Sign Up to like & getrecommendations! Published in 2019 at "Theoretical and Applied Fracture Mechanics"
DOI: 10.1016/j.tafmec.2019.102246
Abstract: Abstract Virtual crack closure technique (VCCT), cohesive zone modeling (CZM) and extended finite element method (XFEM) are three well-known numerical methods frequently used for crack propagation modeling. It is often questioned by new researchers and… read more here.
Keywords: xfem; propagation; finite element; delamination propagation ... See more keywords
Nearly Mode I Fracture Toughness and Fatigue Delamination Propagation in a Multidirectional Laminate Fabricated by a Wet-Layup
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DOI: 10.1134/s1029959919020036
Abstract: Five double cantilever beam specimens were tested quasi-statically to obtain a GIR resistance curve. In addition, nine double cantilever beam specimens were tested in fatigue to obtain a Paris-type relation to describe the delamination propagation… read more here.
Keywords: delamination; stress intensity; delamination propagation;
An explicit delamination propagation algorithm to simulate delamination growth under quasi-static and fatigue loading without re-meshing using virtual crack closure technique and progressive nodal release
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Composite Materials"
DOI: 10.1177/00219983221082039
Abstract: A modeling approach is proposed to simulate delamination propagation in composite laminates under both quasi-static and fatigue loading regimes. Delamination growth is simulated using the Virtual Crack Closure Technique combined with a progressive nodal release… read more here.
Keywords: growth; delamination growth; quasi static; fatigue ... See more keywords