Finite-Element Modeling of Offshore Pipeline Lateral Buckling
Publication: Journal of Pipeline Systems Engineering and Practice
Volume 10, Issue 4
Abstract
The accurate prediction of lateral buckling is crucial for offshore pipelines that are subjected to high temperature and internal pressure. As a challenging topic, modeling pipeline buckling involves geometric nonlinearity and complex pipe-soil interaction. This paper introduces a simple finite element modeling approach to simulate the pipeline lateral buckle behavior. After validation against established knowledge, a variety of parametric analyses were systematically performed to investigate the effects of out-of-straightness, seabed friction factor, elastic slip, internal pressure, and initial stress. This study aims to provide a practical numerical approach for pipeline buckling and conveys a better understanding of the key parameters that must be considered when modeling the pipeline buckling problem.
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Acknowledgments
This research was undertaken with support from the Lloyd’s Register Foundation (LRF). LRF, a UK registered charity and sole shareholder of Lloyd’s Register Group Ltd., invests in science, engineering, and technology for public benefit, worldwide. This study comprises part of the activities of the Centre for Offshore Foundation Systems (COFS), supported as a node of the Australian Research Council Centre of Excellence for Geotechnical Science and Engineering.
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Published In
Journal of Pipeline Systems Engineering and Practice
Volume 10 • Issue 4 • November 2019
Copyright
©2019 American Society of Civil Engineers.
History
Received: Nov 16, 2017
Accepted: Feb 12, 2019
Published online: Aug 19, 2019
Published in print: Nov 1, 2019
Discussion open until: Jan 19, 2020
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