A novel approach to penetrator calculations

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Description

The author presents a novel method for calculating the penetration of soft targets by hard projectiles by using a combination of ALE and contact surface techniques. This method allows the bifurcation in the softer material (at the point of the projectile) to be represented without sacrificing the Lagrangian representation of either the harder material or the contact interface. A series of calculations using this method show good agreement with the experimental data of Forrestal et al. This method may prove useful for a range of semi-fluid/structure interactions with friction, including simulations of manufacturing processes.

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5 p.

Creation Information

Budge, K.G. August 1, 1998.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

The author presents a novel method for calculating the penetration of soft targets by hard projectiles by using a combination of ALE and contact surface techniques. This method allows the bifurcation in the softer material (at the point of the projectile) to be represented without sacrificing the Lagrangian representation of either the harder material or the contact interface. A series of calculations using this method show good agreement with the experimental data of Forrestal et al. This method may prove useful for a range of semi-fluid/structure interactions with friction, including simulations of manufacturing processes.

Physical Description

5 p.

Notes

OSTI as DE98007161

Source

  • 1998 international conference on computational engineering science, Atlanta, GA (United States), 6-9 Oct 1998

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  • Other: DE98007161
  • Report No.: SAND--98-0318C
  • Report No.: CONF-981009--
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/666167 | External Link
  • Office of Scientific & Technical Information Report Number: 666167
  • Archival Resource Key: ark:/67531/metadc711221

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Creation Date

  • August 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 14, 2016, 7:57 p.m.

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Budge, K.G. A novel approach to penetrator calculations, report, August 1, 1998; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc711221/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.