Sage Journals: Discover world-class research

Abstract

Sandwich panels with a cellular core are being widely considered for blast mitigation applications, including armor systems, because of their capability to carry transverse loads with minimal weight penalty and absorb plastic energy. In this study, several finite element models are generated and used in simulating the performance of sandwich circular panels against shock tube blast loadings. A comparison of the numerical results for aluminum and Kevlar sandwich circular panels and their corresponding monolithic solid circular plates having similar mass shows that under the shock tube blast loadings considered in this study, the peak values of the transmitted overpressure, particle acceleration, and deflection of the back face measured from gauges are less for the sandwich circular panels than for the monolithic solid circular plates. The findings are consistent with those reported by other researchers. A parametric study is conducted in investigating the influence of sandwich panel material property, configuration and mass distribution, on the sandwich performance against shock tube blast loadings. It is revealed that the peak values of transmitted overpressure, particle acceleration, and deflection of the back face are dependent on these parameters.

Keywords

Blast mitigation performance finite element model sandwich circular panel shock tube blast loading

Get full access to this article

View all access options for this article.

References

Radford DD , McShane GJ , Deshpande VS and Fleck NA The Response of Clamped Sandwich Plates with Metallic Foam Cores to Simulated Blast Loading. International Journal of Solids and Structures 2006; 43: 2243-2259.

Main JA and Gazonas GA Uniaxial Crushing of Sandwich Plates under Air Blast: Influence of Mass Distribution . International Journal of Solids and Structures 2008; 45: 2297-2321.

Karagiozova D. , Nurick GN , Langdon GS , Chung Kim Yuen S. , Chi Y. and Bartle S. Response of Flexible Sandwich-type Panels to Blast Loading. Composites Science and Technology 2009; 69(6): 754-763.

Bahei-el-din YA and Dvorak GJ Behavior of Sandwich Plates Reinforced with Polyurethane/Polyurea Interlayers under Blast Loads. Journal of Sandwich Structures and Materials 2007; 9: 261-281.

Tan P. , Lee B. and Tsangalis C. FEA Modelling Development for Blast Loading Characteristics of Open- and Closed-end Shock Tubes, In: Proceedings of Personal Armour System Symposium, Brussels, Belgium, 6-19 October, 2008, pp. 229-238.

Tan P. , Lee B. and Tsangalis C. Numerical Simulation for the Behaviours of Blast Protective Materials and Ensembles, In: Proceedings of Land Warfare Conference , Brisbane, Australia, 27-31 October 2008, pp. 311-321.

Tan P. , Lee B. and Tsangalis C. FEA Modeling Prediction of the Transmitted Overpressure and Particle Acceleration within a Frame Subjected to Shock Tube Blast Loadings, In: Proceedings of the 18th IMACS Congress MODSIM, Cairns, Australia, 13-17 July 2009.

Ansys Autodyn (2007). ANSYS Workbench Release 11.0.

Ouellet S. , Levine J. and Dionne JP Parametric Study on Rigid Plates, Compressible Foams and Air Gaps Combinations for Mitigating Blast in Personal Protection Applications, In: Proceedings of Personal Armour System Symposium, Brussels, Belgium, 6-19 October 2008, pp. 229-238.

10.

Lee D. Fundamentals of shock wave propagation in solids. Springer-Verlag : Berlin Heidelberg, 2008.

11.

AUTODYN Theory Manual ( 2005). Revision 4.3, Century Dynamics Inc .

12.

Preece DS , Berg VS and Payne LR. Bullet Impact on Steel and Kevlar®/Steel Armor - Experimental Data and Hydrocode Modeling with Eulerian and Lagrangian Methods, In: 22nd International Symposium on Ballistics, Vancouver BC, Canada, 14-18 November 2005.

13.

Marsh SP LASL Shock Hugoniot Data. Los Angeles: University of California Press, 1980.

14.

Xue Z. and Hutchinson JW Preliminary Assessment of Sandwich Plates Subject to Blast Loads. International Journal of Mechanical Sciences 2003; 45: 687-705.

15.

Holmquist TJ and Johnson GR Response of Silicon Carbide to High Velocity Impact. Journal of Applied Physics 2002; 91(9): 5858-5866.

Finite element analysis of sandwich panels subjected to shock tube blast loadings

Abstract

Keywords

Get full access to this article

References