CoupledSPH-FEanalysisfordynamicresponseof

boxculvertsubjectedtosubsurfaceblas

CUI Wei; SONG Hui-fang; ZHANG She-rong

doi:10.11883/1001-1455(2012)05-0551-06

Volume 32 Issue 5

Apr. 2014

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Article Navigation > Explosion And Shock Waves > 2012 > 32(5): 551-556

Zhang Zhu, Jin Yan -juan. Shock wave loading of reverse detonation model[J]. Explosion And Shock Waves, 2014, 34(2): 223-228. doi: 10.11883/1001-1455(2014)02-0223-06

Citation:

CUI Wei, SONG Hui-fang, ZHANG She-rong. CoupledSPH-FEanalysisfordynamicresponseof boxculvertsubjectedtosubsurfaceblas[J]. Explosion And Shock Waves, 2012, 32(5): 551-556. doi: 10.11883/1001-1455(2012)05-0551-06

Zhang Zhu, Jin Yan -juan. Shock wave loading of reverse detonation model[J]. Explosion And Shock Waves, 2014, 34(2): 223-228. doi: 10.11883/1001-1455(2014)02-0223-06

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CoupledSPH-FEanalysisfordynamicresponseof boxculvertsubjectedtosubsurfaceblas

doi: 10.11883/1001-1455(2012)05-0551-06

1.
StateKeyLaboratoryof HydraulicEngineeringSimulationandSafety,

Funds:

NationalNaturalScienceFoundationofChina(51021004,50809046)

Publish Date: 2012-09-25

Abstract

Abstract

Afullycouplednumericalanalysistechnologyisusedtosimulatetheresponseofalargescaleboxculvertunderblastload, inwhichSPH methodisadoptedtomodelthenearfieldmedium, whileFEMisusedtomodelthefarfieldsoilandreinforcedconcreteboxculvert.Theresultsshow thatthedamagepositionanddegreearecloselyrelatedtochargerelativepositiontoboxculvert. Thereisanobviousdifferenceamongstressanddeformationofboxculvertunderdifferentdetonation. Especiallyatthecenterpositionofthewall,thereisanobviouseffectofsoilflowonreloadand changeofstressunderdifferentdetonation.ThefinalconclusionshowthatthecoupledSPH-FEanalysistechnologycansatisfycalculationefficiencyandengineeringrequirements.
- mechanicsofexplosion,
- dynamicresponse,
- SPH-FEMcoupledmethod,
- boxculvert,
- explosioninsoil

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本文在完成过程中得到北京理工大学爆炸科学与技术国家重点实验室宁建国教授和赵衡阳教授的很多指导, 在此表示感谢。

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