Joint Gun Effectiveness Model (JGEM) Joint Gun Effectiveness Model (JGEM) “Navy Accredited Minor/Medium Caliber Operational Tool” “Navy Accredited Minor/Medium Caliber Operational Tool” The Direct Fire Analysis Solution Barbara Harris Gun Weapon Systems Branch (G32) (540) 653-3251 [email protected]Morris Walker Gun Weapon Systems Branch (G32) (540) 653-5486 [email protected]National Defense Industrial Association Gun and Missile Systems Conference & Exhibition March 27-30, 2006 Sacramento Convention Center Sacramento, CA
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Joint Gun Effectiveness Model (JGEM)...Joint Gun Effectiveness Model (JGEM) “Navy Accredited Minor/Medium Caliber Operational Tool” The Direct Fire Analysis Solution Barbara Harris
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Joint Gun Effectiveness Model (JGEM)Joint Gun Effectiveness Model (JGEM)“Navy Accredited Minor/Medium Caliber Operational Tool”“Navy Accredited Minor/Medium Caliber Operational Tool”
National Defense Industrial AssociationGun and Missile Systems Conference & Exhibition
March 27-30, 2006Sacramento Convention Center
Sacramento, CA
• Model Description • Model History• Methodology Overview• Input / Output• Future Enhancements (Air Bursting
Methodology, Graphics)
Outline
JGEM Description
PURPOSE:
– Predicts effectiveness for direct fire engagements– Analyze system sensitivities– Tool for system concept and trade studies
FEATURES:– Monte Carlo Simulation
– Models Direct Fire Engagements
– Adaptability to various Gun Weapon Systems
– Error Budget-based System Accuracy
– 3-D Target & Shooter Path (position data)
– Range Table Ballistics
– Single & Multiple Target Capability
– Statistical Output
– User-Friendly Graphical User Interface (GUI)
– JTCG/ME Accredited Model (Dec 2001)
Operational tool for direct fire evaluation of minor/medium caliber gun systems firing against single and multiple targets.
M&S Applications Hierarchy
Assessment
Training
Acquisition
EXER
CISE
SWAR
GAM
ES
TEST
S
Concept EvaluationForce Structure
System Assessments
DoctrineTactics
Proficiency
Requirements DevelopmentDesign & Development
Testing & Evaluation (T&E)
Analysis of Alternatives
System Familiarization
Original MGEMDeveloped by the Army Materiel Systems Analysis Activity (AMSAA) written to provide a computerizedmodel to quantify the advantages of developingnew air defense guns.
MGEM changes Made For 2000 Compliance with JWES 2.0 Requirements Document and Procedures for Acceptance ofSoftware by JTCG/ME.
JGEM, Re-engineered version Approved for Accreditation by JTCG/ME Dec. 2001
Verification Completed by UDLP.
Graphical Users Interface Started Documentation For Users Guide Completed.
20002000
19821982 1999199920012001
19931993
AMCGS/SWPS COEA Used modified version of MGEM for calculating gun system effectiveness
JGEM Development History
2001 2001 ––
20062006
Conduct SUW studies: Deep Water, LPD17, N76, LHAR, LCS
19841984
MGEM Released and studied the effectiveness of that classof air defense guns whose design was based on ModernControl Theory
Other JGEM Inputs Required:Fire Control Cycling Time: 4Track Settling Time: 4Magazine Capacity: 4Rate of Fire: 4Burst Size: 4Kill Assessment Time 4Target Acquisition Time 4