Experimental and numerical analysis of dynamic failure of welded aluminium alloy plates under air blast loading

被引：5
作者：
Xu, Shuangxi [1 ,2 ]
Wen, Hao [1 ,2 ]
Liu, Bin [1 ,3 ,5 ]
Guedes Soares, C. [4 ,5 ]
机构：
[1] Wuhan Univ Technol, Minist Educ, Key Lab High Performance Ship Technol, Wuhan, Peoples R China
[2] Wuhan Univ Technol, Sch Transportat, Wuhan, Peoples R China
[3] Wuhan Univ Technol, Cruise & Yacht Res Ctr, Green & Smart River Sea Going Ship, Wuhan 430063, Peoples R China
[4] Univ Lisbon, Inst Super Tecn, Ctr Marine Technol & Ocean Engn CENTEC, Lisbon, Portugal
[5] WUT ULisboa Joint Int Lab Extreme Loads & Respons, Wuhan, Peoples R China
来源：
SHIPS AND OFFSHORE STRUCTURES | 2022年 / 17卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Experiment; numerical simulation; aluminium alloy; welded plate; air blast loading; ductile fracture;
D O I：
10.1080/17445302.2020.1835076
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
The paper presents experiments and finite element simulations of welded aluminium-alloy 5083-H111 plates under near-field air-blast loadings to examine their dynamic plastic deformation and failure. The material degradation takes place in the heat-affected zone affecting the failure mode of aluminium plates. Five specimens are assessed, one bare plate and four butt-welded plates. The effect of the explosive charge-plate distance and the weld seam on the structural dynamic response is evaluated. The scenario could represent an air blast action on the superstructure of aluminium-alloy vessels. The experimentally obtained deformation and failure shapes of specimens show agreement with the simulations performed by the ABAQUS finite element solver. Moreover, the finite element analysis discusses the structural deformation and rupture process of the welded aluminium alloy plates under air-blast loading and their energy transmission and absorption. The present study reveals the impact behaviour of the welded aluminium plates in contrast to the steel plates.
引用
收藏
页码：531 / 540
页数：10
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