Influence of Material Orthotropy on the State of Stress Around a Circular Hole in a Cylindrical Shell

[+] Author and Article Information
H. V. Lakshminarayana, S. Viswanath

National Aeronautical Laboratory, Bangalore, India

J. Pressure Vessel Technol 99(3), 454-458 (Aug 01, 1977) (5 pages) doi:10.1115/1.3454559 History: Received July 19, 1976; Online October 25, 2010


Numerical solutions are obtained for stresses around a circular hole in laminated composite cylindrical shells subjected to uniform internal pressure loading. Matrix method of structural analysis using a high-precision triangular laminated anisotropic cylindrical shell finite element is employed. Results are presented to show significant influence of composite material systems, winding patterns and curvatures on the state of stress around the opening.

Copyright © 1977 by ASME
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