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A Progressive Failure Study of E-glass/Epoxy Composite in Case of Low Velocity Impact

  • Harpreet Singh
  • Puneet Mahajan
  • K. K. Namala
Conference paper

Abstract

To predict the behavior of composites in case of low velocity impact, there are various material models available in literature. Either the complex implementation or determination of large number of required material parameters is proving a common major limitation among all these. In the present study, low velocity Impact experiments are performed on E-glass/epoxy composite and numerically simulated using a continuum damage mechanics based material model. The damage observed as back face signature on the laminate, contact forces and displacement plots with respect to time are studied and compared with FE results to demonstrate the effectiveness of the model. The digital image correlation (DIC) technique is used for experimentation to obtain displacement on the surface of the plate.

Keywords

Epoxy composite Low velocity impact Progressive failure study VUMAT subroutine 

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Copyright information

© Springer India 2015

Authors and Affiliations

  • Harpreet Singh
    • 1
  • Puneet Mahajan
    • 1
  • K. K. Namala
    • 1
  1. 1.Indian Institute of Technology Delhi (IITD)Hauz Khas, New DelhiIndia

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