Numericalanalysisofquasi-isentropiccompressionofRDX(210)crystal

ZHANG Hong-ping; LI Mu; ZHAO Jian-heng; SUN Cheng-wei; ZHU Wen-jun

doi:10.11883/1001-1455(2011)03-0274-05

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ZHANG Hong-ping, LI Mu, ZHAO Jian-heng, SUN Cheng-wei, ZHU Wen-jun. Numericalanalysisofquasi-isentropiccompressionofRDX(210)crystal[J]. Explosion And Shock Waves, 2011, 31(3): 274-278. doi: 10.11883/1001-1455(2011)03-0274-05

Citation:

ZHANG Hong-ping, LI Mu, ZHAO Jian-heng, SUN Cheng-wei, ZHU Wen-jun. Numericalanalysisofquasi-isentropiccompressionofRDX(210)crystal[J]. Explosion And Shock Waves, 2011, 31(3): 274-278. doi: 10.11883/1001-1455(2011)03-0274-05

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Numericalanalysisofquasi-isentropiccompressionofRDX(210)crystal

doi: 10.11883/1001-1455(2011)03-0274-05

1.
NationalKeyLaboratoryofShock WaveandDetonationPhysics,InstituteofFluidPhysics,

Funds:

NationalNaturalScienceFoundationofChina(10927201)

ChinaPostdoctoralScienceFoundation(20090451425)

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Corresponding author: ZHANG Hong-ping
Publish Date: 2011-05-25

Abstract

Abstract

Aimedatquasi-isentropiccompressionexperiments,abackwardintegrationmodelwasproposedbyconsi- deringlinearelastic-plasticeffects.Thequasi-isentropiccompressionexperimentdata ofRDX(210)crystalfromtheZmachineofSandiaNationalLaboratorywerenumericallyanalyzed. ComparisonbetweenthenumericalresultsandthedatabyBaerM R,etaldisplaysthattheproposed backwardintegration modelcanbeusedtodescribethequasi-isentropiccompressionofRDX(210) crystal.AndthisintegrationmethodwasusedtocalculatetheinformationatanypositionintheRDX (210)sample,especiallyattheloadingsurface,stress-straincurvesandLagrangiansoundvelocities. Thequasi-isentropewasachievedbasedonthemathe-maticsearchprocessofparameters.
- solidmechanics,
- quasi-isentrope,
- backwardintegrationmethod,
- RDX(210),
- Lagrangian soundvelocity