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Structural design of process decks for floating production, storage and offloading units |
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| Authors: | Marcos José de Souza Breno Pinheiro Jacob Gilberto Bruno Ellwanger |
| Institution: | a PETROBRAS Research and Development Center - CENPES, Cidade Universitária, Quadra 7, Rio de Janeiro, RJ, Brazil b COPPE/UFRJ - Post-Graduate Institute of the Federal University of Rio de Janeiro, Civil Engineering Department, Cidade Universitária – Centro de Tecnologia - Caixa Postal 68506, 21945-970, Rio de Janeiro, RJ, Brazil |
| Abstract: | This work analyzes the influence of ship motion and deformation on the structural design of decks to support production plants in floating production, storage and offloading units (FPSOs). These decks are space frames with lengths ranging from 30 to 100 mr, with a variable number of rigid supports linked to the ship hull. The deck and ship hull are modeled together for naval and structural analysis. A global, coupled analysis is performed considering the deck and ship structures; sea loads are evaluated by means of probabilistic methods. |
| Keywords: | Offshore oil exploitation FPSO units Numerical methods Structural design Coupled naval/structural analysis |
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