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On Residual Compressive Strength Prediction of Composite Sandwich Panels after Low-Velocity Impact Damage

Xie, Zonghong / Vizzini, Anthony J. / Yang, Mao

Abstract This paper introduces a Nonlinear Finite Element Analysis on damage propagation behavior of composite panels under in-plane uniaxial quasi-static compression after a low-velocity impact. The major damage modes due to the impact were incorporated into the model. A consequential core crushing mechanism was incorporated into the analysis. The critical far field stress corresponding to the onset of damage propagation near the damage zone was captured successfully with a good correlation with experimental data. These values can be used to predict the residual compressive strength of low-velocity impacted composite sandwich panels.

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On Residual Compressive Strength Prediction of Composite Sandwich Panels after Low-Velocity Impact Damage

Xie, Zonghong / Vizzini, Anthony J. / Yang, Mao

Abstract This paper introduces a Nonlinear Finite Element Analysis on damage propagation behavior of composite panels under in-plane uniaxial quasi-static compression after a low-velocity impact. The major damage modes due to the impact were incorporated into the model. A consequential core crushing mechanism was incorporated into the analysis. The critical far field stress corresponding to the onset of damage propagation near the damage zone was captured successfully with a good correlation with experimental data. These values can be used to predict the residual compressive strength of low-velocity impacted composite sandwich panels.

On Residual Compressive Strength Prediction of Composite Sandwich Panels after Low-Velocity Impact Damage

Xie, Zonghong / Vizzini, Anthony J. / Yang, Mao

Abstract This paper introduces a Nonlinear Finite Element Analysis on damage propagation behavior of composite panels under in-plane uniaxial quasi-static compression after a low-velocity impact. The major damage modes due to the impact were incorporated into the model. A consequential core crushing mechanism was incorporated into the analysis. The critical far field stress corresponding to the onset of damage propagation near the damage zone was captured successfully with a good correlation with experimental data. These values can be used to predict the residual compressive strength of low-velocity impacted composite sandwich panels.

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Title:

On Residual Compressive Strength Prediction of Composite Sandwich Panels after Low-Velocity Impact Damage

Contributors:

Xie, Zonghong (author) / Vizzini, Anthony J. (author) / Yang, Mao (author)

Published in:

Sandwich Structures 7: Advancing with Sandwich Structures and Materials ; 363-372

Publication date:

2005-01-01

Size:

10 pages

ISBN:

978-1-4020-3848-8 , 978-1-4020-3444-2

DOI:

https://doi.org/10.1007/1-4020-3848-8_36

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

sandwich structures , impact , delamination , finite element method Engineering , Building Construction , Engineering, general , Engine Technology , Computational Intelligence , Theoretical and Applied Mechanics , Continuum Mechanics and Mechanics of Materials

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