The Resource Structural design and analysis of initial extended area protection and survivability (EAPS) projectile configurations, Michael M. Chen, (electronic resource)

Structural design and analysis of initial extended area protection and survivability (EAPS) projectile configurations, Michael M. Chen, (electronic resource)

Label
Structural design and analysis of initial extended area protection and survivability (EAPS) projectile configurations
Title
Structural design and analysis of initial extended area protection and survivability (EAPS) projectile configurations
Statement of responsibility
Michael M. Chen
Creator
Contributor
Subject
Language
eng
Summary
A mission program named Extended Area Protection and Survivability was initiated at the U.S. Army Research Laboratory to demonstrate guided ammunition technologies to defend the battle space against any presented targets, such as mortars, rockets, and artillery. This report introduces the first step in the development of the guided ammunition system. It presents high-level physics-based simulations of a 60-mm projectile system. The topology of the initial projectile was developed on the basis of gun barrel specifications and certain aerodynamics characteristics. A three-dimensional finite element model was created to present the projectile system. Three different projectile configurations were analyzed with the LS-DYNA program and the results were compared. An acceptable deign demonstrated that the muzzle velocity reached only 85% of target value mainly because the launch package exceeded the desired mass by 25%. In addition, a characteristic centerline variation of a gun barrel was taken into account in this report. The outcome of the in-bore vertical displacements and accelerations attributable to the variation was found to be significant. Note that the structural configuration of the initial projectile is not optimal. Rigorous optimization efforts will be made on the system, particularly on the sabot component, in order to meet performance requirements
Member of
Cataloging source
DTICE
http://library.link/vocab/creatorName
Chen, Michael M
Government publication
federal national government publication
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
Period covered
October 2005 to June 2006.
http://library.link/vocab/relatedWorkOrContributorName
U.S. Army Research Laboratory
Series statement
ARL-TR
Series volume
3866
http://library.link/vocab/subjectName
  • Ballistics, Interior
  • Ordnance
  • Projectiles
  • Ammunition and Explosives
  • Fluid Mechanics
  • Aerodynamic configurations
  • Guided projectiles
  • Mathematical models
  • Requirements
  • Survivability
  • Gun barrels
  • Battlefields
  • Specifications
  • Performance(engineering)
  • Acceleration
  • Mortars
  • Structural engineering
  • Interior ballistics
  • Bores
  • Rockets
  • Artillery
  • Surface to surface missiles
  • Area defense
  • Supersonic characteristics
  • Sabots
  • Muzzle velocity
  • Finite element analysis
  • Displacement
  • Three dimensional
  • Topology
  • Vertical orientation
  • Missions
  • Launching
Type of report
Final;
Label
Structural design and analysis of initial extended area protection and survivability (EAPS) projectile configurations, Michael M. Chen, (electronic resource)
Link
http://purl.access.gpo.gov/GPO/LPS121240
Instantiates
Publication
Note
  • Title from title screen (viewed April 2, 2010)
  • "August 2006."
  • The original document contains color images
Bibliography note
Includes bibliographical references (p. 13)
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
mixed
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Dimensions
unknown
Extent
1 online resource (vi, 28 p.)
Form of item
electronic
Governing access note
APPROVED FOR PUBLIC RELEASE NOT AVAILABLE IN MICROFICHE
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
ill.
Specific material designation
remote
Label
Structural design and analysis of initial extended area protection and survivability (EAPS) projectile configurations, Michael M. Chen, (electronic resource)
Link
http://purl.access.gpo.gov/GPO/LPS121240
Publication
Note
  • Title from title screen (viewed April 2, 2010)
  • "August 2006."
  • The original document contains color images
Bibliography note
Includes bibliographical references (p. 13)
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
mixed
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Dimensions
unknown
Extent
1 online resource (vi, 28 p.)
Form of item
electronic
Governing access note
APPROVED FOR PUBLIC RELEASE NOT AVAILABLE IN MICROFICHE
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
ill.
Specific material designation
remote

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