PROJECT MANAGEMENT TOOL

ACARA is a program for analyzing availability, lifecycle cost, and resource
scheduling. It uses a statistical Monte Carlo method to simulate a
system's capacity states as well as component failure and repair.
Component failures are modelled using a combination of exponential and
Weibull probability distributions. ACARA schedules component replacement
to achieve optimum system performance. The scheduling will comply with any
constraints on component production, resupply vehicle capacity, on-site
spares, or crew manpower and equipment.

ACARA is written in APL2 using the APL2 interpreter for IBM PC compatible
systems running MS-DOS. Hardware requirements for the APL2 system include
640K of RAM, 2Mb of extended memory, and an 80386 or 80486 processor with
an 80x87 math co-processor. A dot matrix printer is required if the user
wishes to print a graph from a results table. A sample MS-DOS executable
is provided on the distribution medium. The standard distribution medium
for this program is a set of three 5.25 inch 360K MS-DOS format diskettes.
ACARA was developed in 1992.

NASA's Software Technology Transfer Center
COSMIC, The University of Georgia
382 East Broad St, Athens, GA 30602-4272
(706) 542-3265;  Fax: (706) 542-4807
Internet Email: service@cossack.cosmic.uga.edu

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