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High speed impact characteristics of plastic material based on finite element simulation

Siswanto, Waluyo Adi and Sharafuddin, Rodzilla Yahya and Paruka, Perowansa (2011) High speed impact characteristics of plastic material based on finite element simulation. Advanced Materials Research, 383-90. pp. 3229-3233. ISSN 1022-6680

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Abstract

Testing material specimen on impact using high speed puncture machine can be used to observe the ability of material to withstand under a certain impact speed by looking at the energy required to tear the material. Other detail parameters such as stress, strain and tearing development on impact cannot be seen or measured. This paper presents a finite element method approach to see the strain history and the tearing sequence that cannot be obtained during impact puncture testing of plastic material (Polyethylene Terephthalate / PET). Simulations in different speed; 10 m/s (36 km/h) and 20 m/s (72 km/h) are performed employing a dynamic-explicit Impact finite element program suite. The simulations are able to capture the tearing process, to see the strain histories of tearing region and to predict the tearing pattern. The tearing pattern simulation results are verified by comparing with that from experiment.

Item Type: Article
Uncontrolled Keywords: impact simulation; high speed puncture test; finite element method
Subjects: Q Science > QA Mathematics > QA801 Analytic mechanics
T Technology > TJ Mechanical engineering and machinery > TJ170-179 Mechanics applied to machinery. Dynamics
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Engineering Mechanics
Depositing User: A/Prof. Dr. Waluyo Adi Siswanto
Date Deposited: 05 Nov 2012 02:10
Last Modified: 05 Nov 2012 02:10
URI: http://eprints.uthm.edu.my/id/eprint/2885
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