Weight optimum arch structures
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Authors
McDavid, Charles Scott
Subjects
Finite Element Method
Arches
Weight Optimization
Arches
Weight Optimization
Advisors
Salinas, David
Date of Issue
1990-12
Date
December 1990
Publisher
Monterey, CA; Naval Postgraduate School
Language
Abstract
This investigation is concerned with minimum weight designs of arch structures. Using the finite element method, the arch is modeled by contiguous bar-beam elements. Element stiffness coefficients in terms of local degrees of freedom are related to system degrees of freedom through local to global coordinate transformations. After coordinate transformations, element stiffness coefficients are assembled into FEM stiffness equations for the arch structure. An objective function for weight minimization, with constraints on failure, arch geometry, and section dimensions, is minimized by the DOT optimization code. Results are presented for a number of cases.
Type
Thesis
Description
Series/Report No
Department
Mechanical Engineering
Organization
Identifiers
NPS Report Number
Sponsors
Funder
Format
xii, 108 p. ill.
Citation
Distribution Statement
Approved for public release; distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.