Delamination buckling and propagation analysis of honeycomb panels using a cohesive element approach

Tong Seok Han; Ani Ural; Chuin Shan Chen; Alan T. Zehnder; Anthony R. Ingraffea; Sarah L. Billington

doi:10.1023/A:1016333709040

Delamination buckling and propagation analysis of honeycomb panels using a cohesive element approach

Tong Seok Han, Ani Ural, Chuin Shan Chen, Alan T. Zehnder, Anthony R. Ingraffea, Sarah L. Billington

Department of Civil and Environmental Engineering

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

67 Citations (Scopus)

Abstract

The cohesive element approach is proposed as a tool for simulating delamination propagation between a facesheet and a core in a honeycomb core composite panel. To determine the critical energy release rate (G_c) of the cohesive model, Double Cantilever Beam (DCB) fracture tests were performed. The peak strength (σ_c) of the cohesive model was determined from Flatwise Tension (FWT) tests. The DCB coupon test was simulated using the measured fracture parameters, and sensitivity studies on the parameters for the cohesive model of the interface element were performed. The cohesive model determined from DCB tests was then applied to a full-scale, 914 × 914 mm (36 × 36 in.) debond panel under edge compression loading, and results were compared with an experiment. It is concluded that the cohesive element approach can predict delamination propagation of a honeycomb panel with reasonable accuracy.

Original language	English
Pages (from-to)	101-123
Number of pages	23
Journal	International Journal of Fracture
Volume	115
Issue number	2
DOIs	https://doi.org/10.1023/A:1016333709040
Publication status	Published - 2002 May

Bibliographical note

Funding Information:
The calculations have been carried out with the finite element program DIANA of TNO Building and Construction Research, the Netherlands. This research was supported by the Boeing Commercial Airplane Company, by the Multidisciplinary Center for Earthquake Engineering Research, and by Cornell University. The authors gratefully acknowledge the contributions of Dr. Peter H. Feenstra, Prof. Chung-Yuen Hui, and Dr. Paul A. Wawrzynek at Cornell University.

All Science Journal Classification (ASJC) codes

Computational Mechanics
Modelling and Simulation
Mechanics of Materials

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title = "Delamination buckling and propagation analysis of honeycomb panels using a cohesive element approach",

abstract = "The cohesive element approach is proposed as a tool for simulating delamination propagation between a facesheet and a core in a honeycomb core composite panel. To determine the critical energy release rate (Gc) of the cohesive model, Double Cantilever Beam (DCB) fracture tests were performed. The peak strength (σc) of the cohesive model was determined from Flatwise Tension (FWT) tests. The DCB coupon test was simulated using the measured fracture parameters, and sensitivity studies on the parameters for the cohesive model of the interface element were performed. The cohesive model determined from DCB tests was then applied to a full-scale, 914 × 914 mm (36 × 36 in.) debond panel under edge compression loading, and results were compared with an experiment. It is concluded that the cohesive element approach can predict delamination propagation of a honeycomb panel with reasonable accuracy.",

author = "Han, {Tong Seok} and Ani Ural and Chen, {Chuin Shan} and Zehnder, {Alan T.} and Ingraffea, {Anthony R.} and Billington, {Sarah L.}",

note = "Funding Information: The calculations have been carried out with the finite element program DIANA of TNO Building and Construction Research, the Netherlands. This research was supported by the Boeing Commercial Airplane Company, by the Multidisciplinary Center for Earthquake Engineering Research, and by Cornell University. The authors gratefully acknowledge the contributions of Dr. Peter H. Feenstra, Prof. Chung-Yuen Hui, and Dr. Paul A. Wawrzynek at Cornell University.",

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AU - Zehnder, Alan T.

AU - Ingraffea, Anthony R.

AU - Billington, Sarah L.

N1 - Funding Information: The calculations have been carried out with the finite element program DIANA of TNO Building and Construction Research, the Netherlands. This research was supported by the Boeing Commercial Airplane Company, by the Multidisciplinary Center for Earthquake Engineering Research, and by Cornell University. The authors gratefully acknowledge the contributions of Dr. Peter H. Feenstra, Prof. Chung-Yuen Hui, and Dr. Paul A. Wawrzynek at Cornell University.

PY - 2002/5

Y1 - 2002/5

N2 - The cohesive element approach is proposed as a tool for simulating delamination propagation between a facesheet and a core in a honeycomb core composite panel. To determine the critical energy release rate (Gc) of the cohesive model, Double Cantilever Beam (DCB) fracture tests were performed. The peak strength (σc) of the cohesive model was determined from Flatwise Tension (FWT) tests. The DCB coupon test was simulated using the measured fracture parameters, and sensitivity studies on the parameters for the cohesive model of the interface element were performed. The cohesive model determined from DCB tests was then applied to a full-scale, 914 × 914 mm (36 × 36 in.) debond panel under edge compression loading, and results were compared with an experiment. It is concluded that the cohesive element approach can predict delamination propagation of a honeycomb panel with reasonable accuracy.

AB - The cohesive element approach is proposed as a tool for simulating delamination propagation between a facesheet and a core in a honeycomb core composite panel. To determine the critical energy release rate (Gc) of the cohesive model, Double Cantilever Beam (DCB) fracture tests were performed. The peak strength (σc) of the cohesive model was determined from Flatwise Tension (FWT) tests. The DCB coupon test was simulated using the measured fracture parameters, and sensitivity studies on the parameters for the cohesive model of the interface element were performed. The cohesive model determined from DCB tests was then applied to a full-scale, 914 × 914 mm (36 × 36 in.) debond panel under edge compression loading, and results were compared with an experiment. It is concluded that the cohesive element approach can predict delamination propagation of a honeycomb panel with reasonable accuracy.

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Delamination buckling and propagation analysis of honeycomb panels using a cohesive element approach

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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