Effects of different design parameters on the stone-impact resistance of automotive windshields

X. Sun, M. A. Khaleel

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

A constitutive model based on continuum damage mechanics is used to study the stone-impact resistance of automotive windshields. An axisymmetric finite element model is created to simulate the transient dynamic response and impact-induced damage tensors for laminated glass layers subject to stone-impact loading. The windshield glass consists of two glass outer layers laminated by a thin poly(vinyl butyral) (PVB) layer. The constitutive behaviour of the glass layers is simulated using the continuum damage mechanics model with linear damage evolution. The PVB layer is modelled with a linear viscoelastic solid. The model is used to predict and examine damage patterns on different glass surfaces for different windshield designs including variations in ply thickness and curvatures.

Original languageEnglish
Pages (from-to)1059-1067
Number of pages9
JournalProceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
Volume219
Issue number9
DOIs
Publication statusPublished - 1 Sep 2005
Externally publishedYes

Fingerprint

Windshields
Impact resistance
Glass
Continuum damage mechanics
Constitutive models
Tensors
Dynamic response

Keywords

  • Automotive windshield design
  • Glass cracking
  • Glass damage
  • Hertzian cone crack
  • Impact resistance
  • Star-shaped crack
  • Stone impact
  • Web-shaped crack

ASJC Scopus subject areas

  • Mechanical Engineering
  • Automotive Engineering

Cite this

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