ZHANG Zhong, CHEN Wei-dong, YANG Wen-miao. Thematerialpointmethodforshock-to-detonationtransitionofheterogeneoussolidexplosive[J]. Explosion And Shock Waves, 2011, 31(1): 25-30. doi: 10.11883/1001-1455(2011)01-0025-06
Citation:
|
ZHANG Zhong, CHEN Wei-dong, YANG Wen-miao. Thematerialpointmethodforshock-to-detonationtransitionof
heterogeneoussolidexplosive[J]. Explosion And Shock Waves, 2011, 31(1): 25-30. doi: 10.11883/1001-1455(2011)01-0025-06
|
ZHANG Zhong, CHEN Wei-dong, YANG Wen-miao. Thematerialpointmethodforshock-to-detonationtransitionofheterogeneoussolidexplosive[J]. Explosion And Shock Waves, 2011, 31(1): 25-30. doi: 10.11883/1001-1455(2011)01-0025-06
Citation:
|
ZHANG Zhong, CHEN Wei-dong, YANG Wen-miao. Thematerialpointmethodforshock-to-detonationtransitionof
heterogeneoussolidexplosive[J]. Explosion And Shock Waves, 2011, 31(1): 25-30. doi: 10.11883/1001-1455(2011)01-0025-06
|
Thematerialpointmethodforshock-to-detonationtransitionof
heterogeneoussolidexplosive
More Information
- Corresponding author:
CHEN Wei-dong
- Publish Date:
2011-01-25
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Abstract
Withtheignitionandgrowth model,thematerialpointmethod (MPM)computercode
calledMPM-SDT wasdevelopedinFORTRAN90,and wasusedtocomputeshock-to-detonation
transitionproblems.TheresultsobtainedbyMPM,traditionalalgorithmsandexperimentwerecompared.
Thefeasibilityofusingthematerialpointmethodtosolveshock-to-detonationtransitionproblemswasconfirmed.
MPMavoidsthemeshdistortionandtanglingissuesassociatedwithLagrangian
methodsandtheadvectionerrorsassociatedwithEulerianmethods.Fragmentsofdifferentmaterial
(steel,copper,tungsten,etc.)impactingshieldedexplosiveweresimulated.Theinitiationbehaviour
oftungstenisthebest,copperisthesecond,andsteelistheworst.Thecriticaldetonatingvelocityis
proportionaltothethicknessofshield.
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References
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