Numerical Modeling on Low Velocity Impact on a Foam Core Sandwich Panel

Zong Hong Xie; Qun Yan

doi:10.4028/www.scientific.net/AMM.527.53

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 527Numerical Modeling on Low Velocity Impact on a...

Numerical Modeling on Low Velocity Impact on a Foam Core Sandwich Panel

Abstract:

This paper introduces a kinetic model to simulate a foam-core composite sandwich panel impacted by a solid semi-sphere. A modified Hashin failure criterion, which consider failure modes of fiber breakage, matrix cracking and matrix crushing, are implemented into the model analysis by using a self-developed VUMAT subroutine. Cohesive elements with zero-thickness are used in the composite laminates model and quadratic nominal stress criterion is used to predict the delamination initiation during the impact. A crushable foam model is used for foam core. The time history curve of contact force is obtained and shows a good correlation with the experimental data.

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Periodical:

Applied Mechanics and Materials (Volume 527)

Pages:

53-56

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.527.53

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Online since:

February 2014

Authors:

Zong Hong Xie*, Qun Yan

Keywords:

Composite, Foam Core Sandwich Panel, Low Velocity Impact (LVI)

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References

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