期刊
MARINE STRUCTURES
卷 77, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.marstruc.2021.102957
关键词
Anti-ship missile; Internal blast; Stiffened plate; Failure mode
资金
- National Natural Science Foundation of China [11802030, 11802031, 11902031]
- Beijing Natural Science Foundation of China [Z181100004118002]
- project of State Key Laboratory of Explosion Science and Technology [ZDKT20-01]
This paper investigated the dynamic response of stiffened plates under internal blast loading. The study found that the deflection of plates decreased and then increased with an increase in stand-off distance. Additionally, despite increasing deformation resistance, stiffeners tended to reduce the damage tolerance of the plates.
Stiffened plates are the basic units of ships, aircraft and other structures. The purpose of this paper is to investigate the dynamic response of stiffened plates under internal blast loading. A combined experimental and numerical investigation was carried out on the cabin structures with unstiffened, single-stiffened and double-stiffened plates. The characteristics of internal blast wave, the effects of stand-off distance and the stiffener position on the deflection and failure modes of stiffened plates were sequentially analyzed. It was interestingly found that the deflection first decreased and then increased with the increase of stand-off distance. Additionally, despite of the reinforcement on the deformation resistance, the stiffeners tended to reduce the damage tolerance of the target plates. This research provides the basic data and theoretical support for the blast resistance design of ships, aircraft and other structures.
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