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[1]刘杨,曾卓,陆晓峰,等.空爆载荷下点阵夹层结构式舱壁安装方式研究[J].南京工业大学学报(自然科学版),2017,39(04):79-85.[doi:10.3969/j.issn.1671-7627.2017.04.014]
 LIU Yang,ZENG Zhuo,LU Xiaofeng,et al.Installation research of lattice sandwich structure bulkheads under blast loading[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2017,39(04):79-85.[doi:10.3969/j.issn.1671-7627.2017.04.014]
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空爆载荷下点阵夹层结构式舱壁安装方式研究()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
39
期数:
2017年04期
页码:
79-85
栏目:
出版日期:
2017-07-20

文章信息/Info

Title:
Installation research of lattice sandwich structure bulkheads under blast loading
文章编号:
1671-7627(2017)04-0079-07
作者:
刘杨曾卓陆晓峰周昌玉
南京工业大学 机械与动力工程学院,江苏 南京 211800
Author(s):
LIU YangZENG ZhuoLU XiaofengZHOU Changyu
College of Mechanical and Power Engineering,Nanjing Tech University,Nanjing 211800,China
关键词:
复合材料 失效准则 ABAQUS 夹层结构
Keywords:
composite failure criterion ABAQUS sandwich structure
分类号:
U668.5
DOI:
10.3969/j.issn.1671-7627.2017.04.014
文献标志码:
A
摘要:
纤维增强树脂基复合材料因其高性能、可设计、易成型等特点广泛应用于舰船轻量化结构中,但其模量仅为钢材的1/3,强度却远远高于钢材,这一特点使其在应用于舰船舱壁时,结构的刚度成为设计的主要目标。基于3D-Hashin失效准则、Chang-Chang损伤扩展准则,应用有限元软件ABAQUS渐进损伤分析方法,探讨了空爆载荷作用下,复合材料波纹点阵夹层结构布置方式对舰船舱壁结构整体刚度的影响。结果表明:波纹夹芯可以有效提高复合材料夹层板的刚度,其比变形减小了14.6%; 波纹点阵板在设计安装时,波纹方向应与梁成90°,其相比0°的比变形减小了17.4%; 梁位于板中心线时,可最大程度地发挥梁对板的增强作用,比梁位于板两边的情况比变形减小5.3%。
Abstract:
Fiber-reinforced resin matrix composites have been widely used in lightweight structure of naval ship with advantages of high performance,designability and easy formation,and andits modulus was only 1/3 of steel with much higher strengththan thatof steel.This feature made structure stiffness of ship bulkheadsbecame a major design goal.Basing on the 3D-Hashin failure criterion and Chang-Chang damage propagation criterion,the progressive damage analysis method was used to discuss the influence of the arrangements of composite corrugated lattice sandwich structure on the overall stiffness of the naval ships’ bulkheads under blast load.Results showed that the corrugated core enhanced the stiffness of the composite sandwich panel effectively and the specified deformation reduced 14.6%.The optimal angle between the beam direction and the corrugations’ direction was 90 degree,the specified deformation was decreased 17.4% than that of 0 degree.The panel could be extremely reinforced for the beam positioned on the centerline of the composite sandwich panel,and its specified deformation was 5.3% less than that of the beam positioned on the flanks of panel.

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备注/Memo

备注/Memo:
收稿日期:2016-03-30
基金项目:国家自然科学基金青年科学基金(11402132)
作者简介:刘杨(1989—),男,山西晋城人,博士生,主要研究方向为复合材料力学; 陆晓峰(联系人),教授,E-mail:xflu@njtech.edu.cn.
引用本文:刘杨,曾卓,陆晓峰,等.空爆载荷下点阵夹层结构式舱壁安装方式研究[J].南京工业大学学报(自然科学版),2017,39(4):79-85..
更新日期/Last Update: 2017-07-31