Abstract
ABSTRACT Based on the catenary equation, the total suspended length of the pipe, the location of the touch down point (TDP), and the tension at the top were determined. A lumped-mass model was used to discretise the cable dynamics over the length of the GFRP pipeline. The Morison equation is widely used in the engineering field. As the top boundary condition of pipeline laying in the overall analysis, the motion response of the vessel is a crucial external load in the design of submarine pipelines. Based on the finite element numerical simulation, the dynamic response characteristics of GFRP pipeline laying under different wave conditions were systematically studied. The influences of the laying angle and submerged weights on the dynamic response of pipeline laying were discussed. Finally, factors affecting pipeline installation stability were summarised and suggestions for practical engineering were proposed.
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