Large deformation finite element analysis of as-laid offshore pipelines using Coupled Eulerian-Lagrangian approach

Subsea pipelines play a significant role in transportation of hydrocarbon. In deep water trenching is difficult and therefore pipelines are often laid on the seabed. However, these pipelines could be penetrated into the seabed a fraction of its diameter during installation. Pipelines might experience thermal expansion due to low ambient and high internal temperature during operation cycles which can cause pipelines to expand axially and buckle laterally. The main objective of the proposed research is to perform finite element analyses of partially embedded offshore pipelines in cohesive soil for lateral displacement of pipelines in undrained condition using Coupled Eulerian Lagrangian (CEL) approach with an advanced soil constitutive model.

This research project was undertaken and completed with a grant from and the financial assistance of Petroleum Research Newfoundland & Labrador.

Faculty Supervisor:

Dr. Bipul Hawlader


Sujan Dutta






Oil and gas


Memorial University of Newfoundland



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