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超轻金属点阵三明治板结构抗侵彻性能分析
  • ISSN号：1000-1093
  • 期刊名称：《兵工学报》
  • 时间：0
  • 分类：O385[理学—流体力学;理学—力学]
  • 作者机构：[1]西安交通大学强度与振动教育部重点实验室
  • 相关基金：国家重大基础研究计划项目(2006CB601202);国家“111计划”引智计划项目(B06024);国家自然科学基金项目(10632060,10825210);教育部“新世纪优秀人才支持计划”项目(NCET-08-0429)
作者： 倪长也[1], 金峰[1], 卢天健[1]
关键词： 固体力学, 超轻金属点阵材料, 三明治板, 侵彻, 有限元数值模拟
中文摘要：

利用有限元模拟软件(LS-DYNA),基于超轻金属点阵材料的可设计性,选取空心金字塔点阵三明治板,在四边固支受钢性弹丸垂直中心侵彻条件下研究其抗侵彻性能。三明治板中金字塔结构排列为5×5形式,靶板长为14.5 cm、宽为10.5 cm.通过分析期望从中得出各子结构在三明治板抗侵彻过程中的吸能表现,分析三明治板的总体抗弹性能及各子结构对抗弹性能的影响。弹丸作用于板的入射速度及出射速度也是我们关注的重要参数,用以量化确定三明治结构对于入射弹丸的弹道极限速度及抗侵彻能力。研究发现由于金字塔结构的特殊性,可对弹丸实现偏航,从而使得三明治板的抗侵彻性能得以显著提高。

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期刊信息
  • 《兵工学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学技术协会
  • 主办单位:中国兵工学会
  • 主编：许毅达
  • 地址：北京2431信箱
  • 邮编：100089
  • 邮箱：acta@cn-bgxh.cn
  • 电话：010-68962718 68963060
  • 国际标准刊号：ISSN：1000-1093
  • 国内统一刊号：ISSN：11-2176/TJ
  • 邮发代号:82-144
  • 获奖情况:
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:15352