Submarine Pipeline Analysis With an Elastic Foundation by the Finite Element Method

[+] Author and Article Information
W. F. Schmidt

Mechanical Engineering Department, University of Maine, Orono, Me.

J. Eng. Ind 99(2), 480-484 (May 01, 1977) (5 pages) doi:10.1115/1.3439262 History: Received August 20, 1976; Online July 15, 2010


This paper presents a procedure for solving the nonlinear differential equations of bending for pipelines suspended between a lay barge and the ocean floor using the finite-element method. In order to eliminate the usual difficulty of determining the suspended length, a discontinuous foundation modulus is introduced into the formulation to account for the interface condition where the pipe lifts off the ocean floor. Examples are presented to illustrate the effectiveness, efficiency, and flexibility of the procedure, and it is concluded that the procedure should provide a useful tool enabling easy analysis of various schemes for pipelaying.

Copyright © 1977 by ASME
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