Three-Dimensional Variation Diagrams for Control of Calculations in Optimum Design

[+] Author and Article Information
R. C. Johnson

Worcester Polytechnic Institute, Worcester, Mass.

J. Eng. Ind 89(3), 391-397 (Aug 01, 1967) (7 pages) doi:10.1115/1.3610061 History: Received July 20, 1966; Online August 25, 2011


This paper presents and illustrates a graphical technique for the control of calculations in the procedure of optimum mechanical design. This three-dimensional variation diagram technique minimizes the number of calculations required for the determination of the optimum design, and the general technique is applicable to many problems. Specific practical examples are given for the optimum design of a torsion bar and for the optimum design of a gearset.

Copyright © 1967 by ASME
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