Table of Contents
Journal of Computational Engineering
Volume 2014 (2014), Article ID 416049, 7 pages
http://dx.doi.org/10.1155/2014/416049
Research Article

Numerical Simulations of Dynamic Behavior of Polyurea Toughened Steel Plates under Impact Loading

1Department of Mechanical Engineering, Purdue University Calumet, Hammond, IN 46323, USA
2Department of Civil Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA

Received 29 September 2014; Revised 9 December 2014; Accepted 11 December 2014; Published 29 December 2014

Academic Editor: George Labeas

Copyright © 2014 Chien-Chung Chen and Daniel G. Linzell. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The objective of the work discussed herein is to develop a nonlinear 3D finite element model to simulate dynamic behavior of polyurea toughened steel plates under impact loading. Experimental and numerical work related to model development are presented. Material properties are incorporated into numerical models to account for strain-rate effects on the dynamic behavior of polyurea and steel. One bare steel plate and four polyurea toughened steel plates were tested under impact loading using a pendulum impact device. Displacement time-history data from experimental work was used to validate the numerical models. Details on material model construction, finite element model development, and model validation are presented and discussed. Results indicate that the developed numerical models can reasonably predict dynamic response of polyurea toughened steel plates under impact loading.