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

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

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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