Dynamic Analysis of Slender Rods

[+] Author and Article Information
D. L. Garrett

Shell Development Company, Houston, Tex. 77001

J. Energy Resour. Technol 104(4), 302-306 (Dec 01, 1982) (5 pages) doi:10.1115/1.3230419 History: Received September 13, 1981; Revised May 17, 1982; Online October 22, 2009


A new three-dimensional finite element model of an inextensible elastic rod with equal principal stiffnesses is presented. The model permits large deflections and finite rotations and accounts for tension variation along its length. Its use in static analysis is described and a time integration method for dynamic analysis is developed. Accuracy of the spatial discretization and stability of the time integration method are demonstrated by comparison of numerical results with exact solutions for certain nonlinear problems.

Copyright © 1982 by ASME
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