Weight Optimization of Stiffened Cylindrical Panels

[+] Author and Article Information
R. J. McGrattan

Electric Boat Division of General Dynamics, Naval Architecture and Ocean Engineering, Groton, Conn. 06340

J. Pressure Vessel Technol 109(1), 1-9 (Feb 01, 1987) (9 pages) doi:10.1115/1.3264851 History: Received December 17, 1985; Revised August 01, 1986; Online November 05, 2009


Many structures have curved panels with longitudinal, transverse, or orthogonal tee-stiffeners subjected to differential pressure, band loading, and axial and circumferential in-plane forces. Equations using energy methods are developed for the purpose of designing such cylindrical structures for minimum weight. The accuracy of the techniques is verified by excellent stress comparisons with finite-element methods. Minimum weight studies using a constrained optimization computer program are presented. Stress, deflection, stability, and minimum dimensional constraints are applied. Optimum weight designs are achieved rapidly and economically.

Copyright © 1987 by ASME
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