AnEuler-Lagrangecouplingmethodfornumericalsimulation

ofexplosion-structureinteraction

PU Xi-feng; WANG Zhong-qi; BAI Chun-hua; ZHOU Gang

doi:10.11883/1001-1455(2011)01-0006-05

Volume 31 Issue 1

May 2014

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PU Xi-feng, WANG Zhong-qi, BAI Chun-hua, ZHOU Gang. AnEuler-Lagrangecouplingmethodfornumericalsimulationofexplosion-structureinteraction[J]. Explosion And Shock Waves, 2011, 31(1): 6-10. doi: 10.11883/1001-1455(2011)01-0006-05

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PU Xi-feng, WANG Zhong-qi, BAI Chun-hua, ZHOU Gang. AnEuler-Lagrangecouplingmethodfornumericalsimulation ofexplosion-structureinteraction[J]. Explosion And Shock Waves, 2011, 31(1): 6-10. doi: 10.11883/1001-1455(2011)01-0006-05

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AnEuler-Lagrangecouplingmethodfornumericalsimulation ofexplosion-structureinteraction

doi: 10.11883/1001-1455(2011)01-0006-05

1.
StateKeyLaboratoryofExplosionandSafetyScience,
2.
BeijingInstituteofTechnology,Beijing100081,China;

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Corresponding author: PU Xi-feng
Publish Date: 2011-01-25

Abstract

Abstract

Todescribetheinteractionoftheexplosionfieldandthestructure,a2-DEuler-Lagrange couplingmethodwasdevelopedtocoupleaEuleriancodeandaLagrangiancode.TheEulerianfinite differentialcodecalledMMIC(multi-materialsincell)wasusedtosimulatethebehavioroftheexplosionfield. Andthedynamicfiniteelementcodewasusedtocalculatetheresponseofstructures.The Euler-Lagrangecouplingmethodwasusedtosimulatetheprocessofdeformationandpenetrationof anexplosion-drivedfragment.Thenumericalresultsindicatsthatthismethodhastheabilityofsimulatingtheproblemofexplosion- structuresinteration.

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