Title page for ETD etd-06232009-063138

Type of Document Master's Thesis
Author Kelly, John H.
URN etd-06232009-063138
Title Rule-based fuselage and spine and cross-section methods for computer aided design of aircraft components
Degree Master of Science
Department Mechanical Engineering
Advisory Committee
Advisor Name Title
Jayaram, Sankar Committee Chair
Myklebust, Arvid Committee Member
O'Brien, Walter F. Jr. Committee Member
  • Airplanes
Date of Defense 1993-05-04
Availability restricted

In recent years, the use of computer-aided design (CAD) systems for conceptual aircraft design has greatly increased. As a result, new and better methods for creating surface models of aircraft geometry using dimensional parameters are needed.

One such method, the Rule-Based Fuselage method, was suggested by Lockheed. The Rule-Based Fuselage method allows an aircraft designer to define complex aircraft fuselage geometry by specifying the fuselage profile and individual parametric cross-sections along the fuselage.

This thesis describes the Rule-Based Fuselage method and discusses the implementation of the method in an interactive, object-oriented environment. Also included in this system is the Spine and Cross-Section method for creating arbitrarily shaped aircraft components.

The design and implementation of both the Rule-Based Fuselage and Spine and Cross-Section methods are described. The integration of these methods with the conceptual aircraft design code, ACSYNT, is also discussed.

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