Date of Award

2-1997

Document Type

Thesis

Degree Name

Master of Science

Department

Department of Operational Sciences

First Advisor

Clifton E. Dungey, PhD

Abstract

The primary objective of this study was to develop an analytical methodology for evaluating an aircraft sortie generation process. The process is modeled as a closed network of general service queues with a fork join node to model concurrent servicing. The model uses the Mean Value Analysis (MVA) algorithm and general queueing network analysis by decomposition to approximate network performance measures including resource utilization and the overall sortie generation rate. The results of the study show that the analytical approximation's accuracy decreases as server utilization increases. However, when server utilization is kept in realistic ranges, the approximation is very accurate. When applied to a closed system of single server queues and delay stations, the approximation performs significantly better than a pure MVA-based approach. For closed or capacitated open systems with multiserver queues, the approximation can still be applied to provide upper and lower bounds on system performance.

AFIT Designator

AFIT-GOR-ENS-97M-11

DTIC Accession Number

ADA324093

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