Design Guidance for Elastic Followup

[+] Author and Article Information
F. V. Naugle

Rockwell International, Energy Systems Group, Canoga Park, Calif. 91304

J. Pressure Vessel Technol 106(1), 32-36 (Feb 01, 1984) (5 pages) doi:10.1115/1.3264306 History: Received May 04, 1983; Revised September 23, 1983; Online November 05, 2009


The basic mechanism of elastic followup is discussed in relation to piping design. It is shown how mechanistic insight gained from solutions for a two-bar problem can be used to identify dominant design parameters and to determine appropriate modifications where elastic followup is a potential problem. It is generally recognized that quantitative criteria are needed for elastic followup in the creep range where severe unbalance in the stiffness of connected line segments can pose potential problems. Approaches for criteria development are discussed.

Copyright © 1984 by ASME
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