Springback of circular clamped armor steel plates subjected to spherical air-blast loading

2009 ◽  
Vol 36 (1) ◽  
pp. 53-60 ◽  
Author(s):  
A. Neuberger ◽  
S. Peles ◽  
D. Rittel
Keyword(s):  
Blast Loading ◽  
Steel Plates ◽  
Air Blast ◽  
Armor Steel ◽  
Air Blast Loading

scholarly journals The Influence of Spraying Strategy on the Dynamic Response of Polyurea-Coated Metal Plates to Localized Air Blast Loading: Experimental Investigations

Polymers ◽  
2019 ◽  
Vol 11 (11) ◽  
pp. 1888 ◽  
Author(s):  
Yongqing Li ◽  
Changhai Chen ◽  
Hailiang Hou ◽  
Yuansheng Cheng ◽  
Haopeng Gao ◽  
...  
Keyword(s):  
Dynamic Response ◽  
Blast Resistance ◽  
Blast Loading ◽  
Steel Plates ◽  
Interface Condition ◽  
Air Blast ◽  
Coated Metal ◽  
Metal Plates ◽  
Partial Area ◽  
Air Blast Loading

Polyurea has attracted considerable attention owing to its potential applications in protective fields to improve the resistant performance of structures subjected to damage loads resulting from intentional or accidental explosions. However, different spraying strategies of polyurea may lead to significant differences in overall resistance performance of polyurea-coated structures, and the underlying mechanisms have not been clear until now. This study aims to elucidate the influence of spraying strategy, i.e., spraying area, spraying thickness, and spraying interface condition, on the dynamic response of polyurea-coated steel plates under localized air blast loading. Three types of plates manufactured using different spraying strategies were adopted to evaluate their blast-resistant performance. The spraying strategies used were (i) whole-area spraying, (ii) partial-area spraying, and (iii) in-contact backing of polyurea on the rear surfaces of steel plates. In addition, the influence of spraying thickness of polyurea for whole-area sprayed plates was evaluated. The energy absorbing mechanisms of polyurea backing layers were highlighted. The energy absorption of plates was quantitatively analyzed. The results show that the air blast resistances of whole-area sprayed and in-contact backed plates are both superior to, whereas that of partial-area sprayed plates is inferior to, bare steel counterparts. A suitable spraying thickness of polyurea can significantly reduce the damage of the front steel layer, whereas excessive spraying thickness decreases the overall air blast resistance of plates. The polyurea backing layer exhibits favorable performance in absorbing energy under a whole-area spraying condition. This study provides useful guidance for the design of polyurea-coated metal plates in engineering applications.

scholarly journals The response of mild steel and armour steel plates to localised air-blast loading-comparison of numerical modelling techniques

2018 ◽  
Vol 115 ◽  
pp. 81-93 ◽  
Author(s):  
N. Mehreganian ◽  
L.A. Louca ◽  
G.S. Langdon ◽  
R.J. Curry ◽  
N. Abdul-Karim
Keyword(s):  
Numerical Modelling ◽  
Mild Steel ◽  
Blast Loading ◽  
Steel Plates ◽  
Air Blast ◽  
Modelling Techniques ◽  
Armour Steel ◽  
Air Blast Loading

Experimental and numerical analyses on the dynamic response of aluminum foam core sandwich panels subjected to localized air blast loading

2019 ◽  
Vol 65 ◽  
pp. 343-361 ◽  
Author(s):  
Ganchao Chen ◽  
Pan Zhang ◽  
Jun Liu ◽  
Yuansheng Cheng ◽  
Hao Wang
Keyword(s):  
Dynamic Response ◽  
Aluminum Foam ◽  
Sandwich Panels ◽  
Blast Loading ◽  
Numerical Analyses ◽  
Foam Core ◽  
Air Blast ◽  
Air Blast Loading

The influence of different pre-formed holes on the dynamic response of square plates under air-blast loading

2017 ◽  
Vol 78 ◽  
pp. 122-133 ◽  
Author(s):  
Ying Li ◽  
Weiguo Wu ◽  
Haiqing Zhu ◽  
Zhen Wu ◽  
Zhipeng Du
Keyword(s):  
Dynamic Response ◽  
Blast Loading ◽  
Air Blast ◽  
Air Blast Loading

Numerical investigation on the dynamic response of foam-filled corrugated core sandwich panels subjected to air blast loading

2017 ◽  
Vol 21 (3) ◽  
pp. 838-864 ◽  
Author(s):  
Yuansheng Cheng ◽  
Tianyu Zhou ◽  
Hao Wang ◽  
Yong Li ◽  
Jun Liu ◽  
...  
Keyword(s):  
Total Energy ◽  
Energy Absorption ◽  
Sandwich Panels ◽  
Blast Loading ◽  
Front Face ◽  
Back Side ◽  
Air Blast ◽  
Foam Filled ◽  
Blast Performance ◽  
Air Blast Loading

The ANSYS/Autodyn software was employed to investigate the dynamic responses of foam-filled corrugated core sandwich panels under air blast loading. The panels were assembled from metallic face sheets and corrugated webs, and PVC foam inserts with different filling strategies. To calibrate the proposed numerical model, the simulation results were compared with experimental data reported previously. The response of the panels was also compared with that of the empty (unfilled) sandwich panels. Numerical results show that the fluid–structure interaction effect was dominated by front face regardless of the foam fillers. Foam filling would reduce the level of deformation/failure of front face, but did not always decrease the one of back face. It is found that the blast performance in terms of the plastic deflections of the face sheets can be sorted as the following sequence: fully filled hybrid panel, front side filled hybrid panel, back side filled hybrid panel, and the empty sandwich panel. Investigation into energy absorption characteristic revealed that the front face and core web provided the most contribution on total energy absorption. A reverse order of panels was obtained when the maximization of total energy dissipation was used as the criteria of blast performance.

scholarly journals Optimal design of a novel cylindrical sandwich panel with double arrow auxetic core under air blast loading

2020 ◽  
Vol 16 (3) ◽  
pp. 617-626 ◽  
Author(s):  
Xu-ke Lan ◽  
Qi Huang ◽  
Tong Zhou ◽  
Shun-shan Feng
Keyword(s):  
Optimal Design ◽  
Sandwich Panel ◽  
Blast Loading ◽  
Air Blast ◽  
Air Blast Loading ◽  
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