基于无网格Galerkin法的穿甲侵彻数值模拟

基于无网格Galerkin法的穿甲侵彻数值模拟

龚曙光, 饶刚, 伍贤洪

文章导航 > 爆炸与冲击 > 2011 > 31(6): 658-663

龚曙光, 饶刚, 伍贤洪. 基于无网格Galerkin法的穿甲侵彻数值模拟[J]. 爆炸与冲击, 2011, 31(6): 658-663. doi: 10.11883/1001-1455(2011)06-0658-06

引用本文:

龚曙光, 饶刚, 伍贤洪. 基于无网格Galerkin法的穿甲侵彻数值模拟[J]. 爆炸与冲击, 2011, 31(6): 658-663. doi: 10.11883/1001-1455(2011)06-0658-06

GONG Shu-guang, RAO Gang, WU Xian-hong. SimulationinvestigationonperforationandpenetrationbasedonEFG method[J]. Explosion And Shock Waves, 2011, 31(6): 658-663. doi: 10.11883/1001-1455(2011)06-0658-06

Citation:

GONG Shu-guang, RAO Gang, WU Xian-hong. Simulationinvestigationonperforationandpenetration basedonEFG method[J]. Explosion And Shock Waves, 2011, 31(6): 658-663. doi: 10.11883/1001-1455(2011)06-0658-06

龚曙光, 饶刚, 伍贤洪. 基于无网格Galerkin法的穿甲侵彻数值模拟[J]. 爆炸与冲击, 2011, 31(6): 658-663. doi: 10.11883/1001-1455(2011)06-0658-06

引用本文:

龚曙光, 饶刚, 伍贤洪. 基于无网格Galerkin法的穿甲侵彻数值模拟[J]. 爆炸与冲击, 2011, 31(6): 658-663. doi: 10.11883/1001-1455(2011)06-0658-06

GONG Shu-guang, RAO Gang, WU Xian-hong. SimulationinvestigationonperforationandpenetrationbasedonEFG method[J]. Explosion And Shock Waves, 2011, 31(6): 658-663. doi: 10.11883/1001-1455(2011)06-0658-06

Citation:

GONG Shu-guang, RAO Gang, WU Xian-hong. Simulationinvestigationonperforationandpenetration basedonEFG method[J]. Explosion And Shock Waves, 2011, 31(6): 658-663. doi: 10.11883/1001-1455(2011)06-0658-06

基于无网格Galerkin法的穿甲侵彻数值模拟

doi: 10.11883/1001-1455(2011)06-0658-06

1.
湘潭大学机械工程学院,湖南湘潭411105

基金项目:

国家自然科学基金面上项目(50875223)

通讯作者:
龚曙光

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- 文章访问数: 2359
- HTML全文浏览量: 77
- PDF下载量: 291
- 被引次数: 0
出版历程
- 刊出日期: 2011-11-25

Simulationinvestigationonperforationandpenetration basedonEFG method

1.
Schoolof MechanicalEngineering,XiangtanUniversity,Xiangtan411105,Hunan,China

Funds:

NationalNaturalScienceFoundationofChina(50875223)

More Information

Corresponding author: GONG Shu-guang

摘要: 将无网格Galerkin法与LS-DYNA软件相结合,建立了穿甲侵彻的分析模型,对三维球形弹体侵彻双层无限大钢靶板进行了数值模拟,解决了该过程中出现的负体积现象,并将结果与空穴膨胀理论和有限元法进行了对比,所得结果证实了无网格Galerkin法在模拟穿甲侵彻时的可行性与优越性。
- 爆炸力学 /
- 穿甲过程 /
- 无网格Galerkin法 /
- 穿甲侵彻 /
- 空穴膨胀理论 /
- LS-DYNA
Abstract: Byintegratingtheelement-freeGalerkin(EFG)methodwiththeLS-DYNAsoftware,ananalysismodelforperforationandpenetrationwasdevelopedtonumericallysimulatethepenetrationof aspherical-noseprojectileintoasemi-infinitesteeltargetinthreedimensions.Thesimulatedresults werecomparedwiththeonesbythecavityexpansiontheoryandthefiniteelementmethod.ThecomparisondemonstratesthefeasibilityandsuperiorityoftheEFG methodinthesimulationofperforationandpenetration.
- mechanicsofexplosion /
- penetrationeffect /
- EFG method /
- penetrationandperforation /
- cavityexpansiontheory /
- LS-DYNA

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文章访问数: 2359
HTML全文浏览量: 77
PDF下载量: 291
被引次数: 0

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