DEMAID - A DESIGN MANAGERS AID FOR INTELLIGENT DECOMPOSITION

Many engineering systems are large and multi-disciplinary. Before the
design of new complex systems such as large space platforms can begin, the
possible interactions among subsystems and their parts must be determined.
Once this is completed the proposed system can be decomposed to identify
its hierarchical structure. DeMAID (A Design Manager's Aid for Intelligent
Decomposition) from NASA Langley Research Center is a knowledge-based
system for ordering the sequence of modules and identifying a possible
multilevel structure for the design problem. Although DeMAID was
originally written for design problems, it has proven to be very general
in solving any problem which contains modules (processes) which take an
input and generate an output. For example, one group is applying DeMAID to
gain understanding of the data flow of a very large computer program. In
this example, the modules are the subroutines of the program.

DeMAID is available in two machine versions: a Macintosh version which is
written in Symantec's Think C 3.01 (LAR-14973) and a Sun version which is
written in C language (LAR-15018). The standard distribution medium for
the Macintosh version of DeMAID is a set of four 3.5 inch 800K Macintosh
format diskettes. The standard distribution medium for the Sun version of
DeMAID is a .25 inch streaming magnetic tape cartridge in UNIX tar format.
Both versions include sample input. Program $500; documentation $18.

COSMIC, The University of Georgia
382 East Broad St, Athens, GA 30602-4272
(706) 542-3265;  Fax: (706) 542-4807

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