Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/58231
Title: Effects of nonhomogeneity, cell damage and strain-rate on impact crushing of a strain-softening cellular chain
Authors: Shim, V.P.W. 
Yap, K.Y.
Stronge, W.J.
Issue Date: 1992
Source: Shim, V.P.W.,Yap, K.Y.,Stronge, W.J. (1992). Effects of nonhomogeneity, cell damage and strain-rate on impact crushing of a strain-softening cellular chain. International Journal of Impact Engineering 12 (4) : 585-602. ScholarBank@NUS Repository.
Abstract: The effects of a systematic spatial variation in properties (nonhomogeneity), cell damage and strain-rate on the gross deformation of a cellular system subjected to impact are examined via a one-dimensional model of masses interconnected by strain-softening structural links. Damage initiation, propagation and distribution in the mass-link chain and the deceleration imposed on the colliding body are studied. Results show that damaged cells decrease the energy absorption capacity while rate sensitivity exerts an opposing stabilizing influence by spatially distributing deformation more evenly and smoothing out fluctuations in the resisting force of the system. Variation in cell mass and compliance along the chain strongly affect damage patterns and promote localization of crushing in the vicinity of weaker cells. These findings have implications on cellular systems such as crushable polymeric foams. © 1992 Pergamon Press Ltd.
Source Title: International Journal of Impact Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/58231
ISSN: 0734743X
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.

Page view(s)

38
checked on Dec 8, 2017

Google ScholarTM

Check


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.