Underwaterexplosioncalculationwithafieldseparationtechnique

GUO Jun; YANG Wen-shan; YAO Xiong-liang; ZAHNG A-man; REN Shao-fei

doi:10.11883/1001-1455(2011)03-0295-05

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GUO Jun, YANG Wen-shan, YAO Xiong-liang, ZAHNG A-man, REN Shao-fei. Underwaterexplosioncalculationwithafieldseparationtechnique[J]. Explosion And Shock Waves, 2011, 31(3): 295-299. doi: 10.11883/1001-1455(2011)03-0295-05

Citation:

GUO Jun, YANG Wen-shan, YAO Xiong-liang, ZAHNG A-man, REN Shao-fei. Underwaterexplosioncalculationwithafieldseparationtechnique[J]. Explosion And Shock Waves, 2011, 31(3): 295-299. doi: 10.11883/1001-1455(2011)03-0295-05

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Underwaterexplosioncalculationwithafieldseparationtechnique

doi: 10.11883/1001-1455(2011)03-0295-05

1.
CollegeofShipbuildingEngineering,HarbinEngineeringUniversity,

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Corresponding author: GUO Jun
Publish Date: 2011-05-25

Abstract

Abstract

Theunderwaterexplosionmechanismoffluid-structureinteractionwasexploredbasedon thespectralelement.Afieldseparationtechniquewasproposedtoavoidthedistortionphenomenonof thetotalfieldmodelproducedbythepropagationofincidentwaveinthefluidmesh.Andascatteredfieldnumericalmodelforunderwaterexplosionfluid- structurecouplingproblemswasestablishedby theoreticalderivation.Calculationresultsbyaself-developedcodeshowthatthescattered-fieldnumericalmodelisaneffectivesolutiontotheincident- wavedistortion,ithasahighercalculationaccuracythanthetotalfieldmodel, anditcanbeappliedtosolvefluid-solidcouplingproblemsduringunderwaterexplosion.
- mechanicsofexplosion,
- fluid-solidcoupling,
- fieldseparation,
- underwaterexplosion,
- spectralelement