Finite Element Analysis With the State Variable Transfer Matrix and Geometric Nonlinearity for Marine Pipelines in Subsurface Tow

[+] Author and Article Information
W. C. Kan

R&D Center, Union Carbide Corporation, Bound Brook, N. J.

A. J. Healey

Mechnical Engineering Department, The University of Texas, Austin, Tex. 78712

J. Energy Resour. Technol 103(1), 26-31 (Mar 01, 1981) (6 pages) doi:10.1115/1.3230810 History: Received November 01, 1979; Revised December 01, 1980; Online October 22, 2009


An analytical study of subsurface transportation of long marine pipelines has been performed. Systematic models and numerical algorithms are developed to predict the static configuration and stress distributions along the pipeline during transportation phase. A successive linearization technique and the state variable transfer matrix method are utilized to obtain solutions to the nonlinear two-point boundary value system of equations. Discrete buoyancy forces are also included to reduce barge thrust requirement while maintaining safe stress levels along the pipeline.

Copyright © 1981 by ASME
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