Date of Award

Fall 1974

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Civil and Environmental Engineering

First Advisor

Murphy, William G.

Second Advisor

Hartman, Alois J.

Abstract

This study deals with the elastic buckling stress of stiffened rectangular plates. An efficient method of analysis can provide a useful, easy to apply design tool as well as permit the evaluation of the parameters that affect plate buckling behavior. The differential equations and equations of equilibrium and continuity at interior plate segment boundaries needed to study the elastic buckling behavior of stiffened rectangular plates were derived by cinimizing a total potential functional. The differential equations were solved by numerical integration and the solution was used to establish a buckling determinant. The determinant was evaluated for increasing estimates of the critical stress until a value was found which made the determinant zero; this value was the critical buckling stress of the plate. A number of problems were solved for which solutions have been reported in the literature. Agreement of the results obtained in this study and those previously reported demonstrate the feasibility of this method as an efficient tool in the solution of a wide range of plate buckling problems.

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