Damage Analysis of Aluminium Foam Panel Subjected to Underwater Shock LoadingReport as inadecuate




Damage Analysis of Aluminium Foam Panel Subjected to Underwater Shock Loading - Download this document for free, or read online. Document in PDF available to download.

Shock and Vibration - Volume 2017 2017, Article ID 6031414, 13 pages - https:-doi.org-10.1155-2017-6031414

Research ArticleSchool of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China

Correspondence should be addressed to Ji-li Rong

Received 28 June 2016; Revised 18 November 2016; Accepted 28 November 2016; Published 28 February 2017

Academic Editor: Fiorenzo A. Fazzolari

Copyright © 2017 Xuan He et al. 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

Underwater shock loading experiment device is the equipment which simulates underwater explosive shock wave through experiment. Underwater shock loading experiment device was used to conduct high-speed underwater impact on aluminium foam panel and its damage modes were studied in this paper. 3D dynamic DIC test system was used to collect and analyze real-time deformation of target board. After the experiment was completed, a numerical simulation of the series of experiment was conducted through ABAQUS finite element simulation and then a comparative analysis of the experiment was implemented. To comprehensively study damage modes of aluminium foam panel subjected to underwater shock loading, damage modes of aluminium foam panel at different shock speeds were studied. Results indicated that when a certain impact speed which could damage aluminium foam panel was reached, if the impact speed was low, aluminium foam panel would generate shear fracture at constrained boundary of flange; if the impact speed was high, aluminium foam panel would firstly generate fracture at the center and then generate shear fracture at constrained boundary of flange, and central fracture would generate three cracks.





Author: Xuan He, Ji-li Rong, and Da-lin Xiang

Source: https://www.hindawi.com/



DOWNLOAD PDF




Related documents