Failure Modes Of Glass Panels Subjected To Soft
Missile Impact
Author(s)
L.R. Dharani & J. Yu
Abstract
Damage to architectural glazing by the windborne debris during severe
windstorms is well documented. In this study, the stress response of and fracture
initiation in glass panels impacted by a large soft missile such as collapsed trees
and ceiling wood is investigated using the finite element method. For the crack
initiation, the energy release rate criterion is developed to determine the crack
initiation time and location. The effect of various geometric, material and
loading parameters on the maximum principal stress and failure modes is
examined.
Keywords: large soft missile, laminated glass panels, impact, energy release
rate, crack initiation.
1 Introduction
A hurricane’s turbulent winds and strong gusts often carry windborne debris that
can slam into glass windows and doors. This debris can
Keywords
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