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AJEM

The Advanced Joint Effectiveness Model, or AJEM, is a survivability, lethality, and vulnerability (SLV) computer simulation code capable of analyzing one or more threats attacking a one or more rotary-wing or fixed-wing aircraft, small watercraft, ground-mobile system, and mounted or dis-mounted personnel. It combines elements of target modeling, threat modeling, encounter kinematics, generation of weapon burst points, propagation of damage mechanisms to the target, damage mechanism /target interaction (penetration, fire, blast, behind-armor-debris (BAD), etc.), target system relationships (functionality, redundancies, etc.), and target remaining capability or loss of function.

AJEM produces results that are applicable during all phases of weapon system acquisition from research, design, and development to production test and evaluation. AJEM produces results that are relevant to both acquisition decision makers and soldiers in the field.

AJEM is designed to run in conjunction with BRL-CAD, MUVES, and MUVES Tool Kit (MTK) environment, capitalizing on work already performed by ARL/SLAD.

Input: 

AJEM requires the following data input for execution and analysis:

  • Geometric target description - BRL-CAD format
  • Criticality/Fault tree data
  • Component Pcd/h data
  • System probability of kill given damage data
  • Threat characterization data
Output: 

AJEM determines the outcome of threat and target interactions in terms of vulnerable area, probably of kill (Pk), probably of damage, number of hits, and number of perforations to components, sub-systems, or systems as defined by the user. The data can be output in tabular format or in a graphical display plot (Cell-by-Cell Pk Plot).

Page Distribution Statement: 

Distribution Statement A: Approved for public release by ARL - 23 October 2017; distribution is unlimited.

Model Distribution Statement: 

DISTRIBUTION STATEMENT C. Distribution authorized to U.S. Government Agencies and their contractors. Critical Technology. October 12, 2017. Other request for this document shall be referred to U.S. Army Research Laboratory.

Model Details
Version
2.49
Host Systems
UNIX
Program Language
Red Hat Enterprise Linux (RHEL) 6 and CentOS Linux 6 for 64-bit with GCC 4.4.7, Windows 7