Linear Analysis of Uniformly Stressed, Orthotropic Cylindrical Shells

[+] Author and Article Information
J. F. Wilson

School of Engineering, Duke University, Durham, NC 27706

G. Orgill

Exxon Production Research Co., Houston, TX 77252

J. Appl. Mech 53(2), 249-256 (Jun 01, 1986) (8 pages) doi:10.1115/1.3171748 History: Received June 18, 1985; Revised November 18, 1985; Online July 21, 2009


Within the framework of classical elasticity, the nonbuckled deformations are calculated for orthotropic, right circular, thin-walled cylinders under uniform load conditions. The principle direction of orthotropy follows parallel constant angle helices. Nondimensional system parameters involving four material constants and three loading conditions (internal pressure, longitudinal load, and pure torque) are identified. Through parametric studies deformation patterns are calculated that are unique to orthotropy. Numerical examples illustrate that the proper selection of cylinder orthotropy can lead to designs with optimal deformations or load-carrying capacity. Results may be used for the design of robotic actuators driven by internal pressure.

Copyright © 1986 by ASME
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