Modeling and analysis of elastoplastic impacts on supported composites

Majeed M. A., Yigit A. S., Christoforou A. P.

Key Engineering Materials, vol.471-472, pp.367-372, 2011 (Scopus) identifier

  • Publication Type: Article / Abstract
  • Volume: 471-472
  • Publication Date: 2011
  • Doi Number: 10.4028/www.scientific.net/kem.471-472.367
  • Journal Name: Key Engineering Materials
  • Journal Indexes: Scopus, Aerospace Database, Communication Abstracts, INSPEC, Metadex, Civil Engineering Abstracts
  • Page Numbers: pp.367-372
  • Keywords: Composites, Damage, Elastoplastic contact, Impact
  • Ankara Yıldırım Beyazıt University Affiliated: No

Abstract

This paper presents an elastoplastic impact model for a spherical object impacting a supported composite layer or a half-space. The model utilizes a contact law that has been developed based on elastic-plastic and fully plastic indentation theories. For an impact event, the model parameters can easily be obtained analytically, computationally using Finite Elements (FE), and from experiments, by assuming transversely isotropic material behavior. Simulations are compared to those from a nonlinear FE model developed in ABAQUS, and to limited experimental data, with excellent results. © (2011) Trans Tech Publications.