TARANTULA 2011 in JWL++

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Using square zoning, the 2011 version of the kinetic package Tarantula matches cylinder data, cylinder dead zones, and cylinder failure with the same settings for the first time. The key is the use of maximum pressure rather than instantaneous pressure. Runs are at 40, 200 and 360 z/cm using JWL++ as the host model. The model also does run-to-detonation, thin-pulse initiation with a P-t curve and air gap crossing, all in cylindrical geometry. Two sizes of MSAD/LX-10/LX-17 snowballs work somewhat with these settings, but are too weak, so that divergent detonation is a challenge for the future. Butterfly meshes are ... continued below

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PDF-file: 26 pages; size: 8.4 Mbytes

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Souers, P C; Haylett, D & Vitello, P October 27, 2011.

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Description

Using square zoning, the 2011 version of the kinetic package Tarantula matches cylinder data, cylinder dead zones, and cylinder failure with the same settings for the first time. The key is the use of maximum pressure rather than instantaneous pressure. Runs are at 40, 200 and 360 z/cm using JWL++ as the host model. The model also does run-to-detonation, thin-pulse initiation with a P-t curve and air gap crossing, all in cylindrical geometry. Two sizes of MSAD/LX-10/LX-17 snowballs work somewhat with these settings, but are too weak, so that divergent detonation is a challenge for the future. Butterfly meshes are considered but do not appear to solve the issue.

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PDF-file: 26 pages; size: 8.4 Mbytes

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  • Report No.: LLNL-TR-509132
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/1035287 | External Link
  • Office of Scientific & Technical Information Report Number: 1035287
  • Archival Resource Key: ark:/67531/metadc840110

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • October 27, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

Description Last Updated

  • Dec. 2, 2016, 2:58 p.m.

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Souers, P C; Haylett, D & Vitello, P. TARANTULA 2011 in JWL++, report, October 27, 2011; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc840110/: accessed June 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.