Journal
THIN-WALLED STRUCTURES
Volume 67, Issue -, Pages 49-62Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.tws.2013.02.009
Keywords
Composite shell; Explosion impact load; Equivalent stress
Categories
Funding
- National High Technology Research and Development Program of China [2012AA041504]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Technology Support Program of Jiangsu Province [BE2010045]
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This paper presents a study on the dynamic response of a capsule-shaped composite metallic shell under axial explosion impact load in a tunnel. The composite shell, which consists of a cylindrical shell and a semi-spherical shell on both ends, is analyzed by experimentation and simulation. The three-dimensional finite element models of the shell and tunnel were established using DYTRAN (R), and the simulation and experiment results are highly consistent. The spread trend of shock wave around the shell is analyzed, thus the stress distribution and deformation trend on the composite shell given different shell thicknesses and fixed mode is obtained. (C) 2013 Elsevier Ltd. All rights reserved.
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