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Modeling Blast and High-Velocity Impact of Composite Sandwich Panels

  • Michelle S. Hoo FattEmail author
  • Leelaprasad Palla
  • Dushyanth Sirivolu

Abstract

Analytical models for predicting the deformation and failure of composite sandwich panels subjected to blast and projectile impact loading are presented in this paper. The analytical predictions of the transient deformations and damage initiation in the composite sandwich panels were compared with finite element solutions using ABAQUS Explicit. For the blast model, the predicted transient deformation of the sandwich panel was within 7%of FEA results, while the predicted damage initiation using Hashin's composite failure criteria was about 15%higher than FEA results in most cases. For the high velocity impact model, the predicted transient deformations were within 20%of FEA results.

Keywords

Stress Wave Transverse Shear Elastic Strain Energy Sandwich Panel Foam Core 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgment

This work was supported by Dr. Yapa Rajapakse at the Office of Naval Research under grant N00014-07-1-0423.

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • Michelle S. Hoo Fatt
    • 1
    Email author
  • Leelaprasad Palla
    • 1
  • Dushyanth Sirivolu
    • 1
  1. 1.Department of Mechanical EngineeringThe University of AkronAkronUSA

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