Comportamento dinamico de um "riser" rigido de produção

TL;DRAbstract

A production rigid riser is a tubular element that connects the well head to the vessel on the sea surface. The riser is subject to loads due to the wave and marine current and the movement induced by the vessel. The present work presents the foundations of the calculation involved in the dynamic behavior of a rigid riser in the "in-line" and in the traversal directions. Calculation results are conduced and discussions are driven for the maximum displacements of the riser in different environmental loads conditions and of the movements of the floating platform. Through a parametric study the results are compared with experimental data and with calculation available in the literature. The main variables in the dynamic behavior of the riser was also studied.

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