RESEARCH PAPERS: Design Engineering Papers

Application of Orthotropic Plate Theory to Windmill Blade Design

[+] Author and Article Information
C. Rubin

Dept. of Mechanical and Materials Engineering, Vanderbilt University, Nashville, Tenn. 37235

J. Mech. Des 103(4), 892-894 (Oct 01, 1981) (3 pages) doi:10.1115/1.3255002 History: Received February 28, 1980; Online November 17, 2009


The windmill blade is treated as a semi-infinite orthotropic wedge with free-free boundary conditions. A closed form solution for the deflections and stresses is obtained as a function of the loading. The loading may be quite general. Results for three different materials which are commonly used for windmill blades (aluminum, sitka spruce, and fiberglass) are obtained. Applications also include ribbed, corrugated, and layered structures. In addition, other types of boundary conditions may be used to obtain solutions to a wide variety of other orthotropic plate problems.

Copyright © 1981 by ASME
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