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Modeling of High Velocity Impact in Sandwich Beams with FGM Core

  • J. ZamaniEmail author
  • E. Etemadi
  • K. Hosseini Safari
  • A. Afaghi Khatibi
Chapter
Part of the Advanced Structured Materials book series (STRUCTMAT, volume 35)

Abstract

In this work, the impact behavior of sandwich beams with asymmetrical and symmetrical Functionally Graded (FG) cores are investigated using finite element method. The ballistic limit and residual velocity of several sandwich beams with a FG core are studied. The ratios of residual kinetic energy as well as perforation energy to initial kinetic energy are calculated. Furthermore, the effects of failure strain, tangent modulus and thickness of face sheets on the behavior of sandwich beams are discussed. Additionally, the effects of initial velocity of the projectile on the damage extension of sandwich beam are thoroughly investigated. Results indicate that the strength of beams with asymmetrical FG core under high velocity impact is more than that of beams with symmetrical one.

Keywords

Functionally graded materials Sandwich beams High velocity impact Finite element Ballistic limit 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • J. Zamani
    • 1
    Email author
  • E. Etemadi
    • 1
  • K. Hosseini Safari
    • 1
  • A. Afaghi Khatibi
    • 2
  1. 1.Faculty of Mechanical EngineeringK. N. Toosi University of TechnologyTehranIran
  2. 2.American University of SharjahSharjahUAE

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