RESEARCH PAPERS: Design Automation Papers

Minimum Weight Design Problems of Fiber-Reinforced Beam Subjected to Uniform Bending

[+] Author and Article Information
Juhachi Oda

Department of Mechanical Engineering, Kanazawa University, 40-20, 2-chome, Kodatsuno, Kanazawa, Japan 920

J. Mech., Trans., and Automation 107(1), 88-93 (Mar 01, 1985) (6 pages) doi:10.1115/1.3258700 History: Received June 15, 1984; Online November 19, 2009


Problems considered here are that of minimizing the weight of beams, which are subjected to a uniform bending moment and reinforced by the fibers distributed in the direction of beam axis. The beam is simplified as a multilaminate structure, of which the fiber volume percent Vfi of each lamina is considered as the design variables. To formulate this design problem the bending theory of multilaminate beam and the law of mixture for the composite material strength are applied. Furthermore, the sequential linear programming and the sequential unconstrianed minimization techniques are used to obtain the design solutions numerically.

Copyright © 1985 by ASME
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