Plastic Response of Nested Systems under Static and Dynamic Loading Conditions Using FE and Experimental Techniques

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This paper presents the study of nested rings crushed laterally between rigid platens at 2 different velocities. In this investigation two different types of nested ring configurations are analysed: (A) In-Plane; where three rings of varying diameter are placed within each other and their axes are parallel. (B) Out of-Plane; where the rings have a 90 degree orientation. Material used was cold finished, drawn over mandrel (DIN 2393 ST 37-2) and is referred throughout the paper as mild steel. The Cowper-Symonds relation was used to predict the dynamic yield stress of the rings and this was included in the FE material model. The results obtained from experiments were compared to that of finite element method using the software package Ansys. Discussion is made on the post – collapse behaviour of these systems. It was found that the Out of-Plane ring system exhibited a more desirable force-deflection response due to its 90 degree orientation.

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Periodical:

Edited by:

J.M. Dulieu-Barton and S. Quinn

Pages:

377-382

DOI:

10.4028/www.scientific.net/AMM.3-4.377

Citation:

E. Morris et al., "Plastic Response of Nested Systems under Static and Dynamic Loading Conditions Using FE and Experimental Techniques", Applied Mechanics and Materials, Vols. 3-4, pp. 377-382, 2005

Online since:

August 2006

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$35.00

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