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Damping linearization for frequency domain lazy-wave riser analysis

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Autor(es):
Takafuji, F. C. M. ; Martins, C. A. ; ISOPE
Número total de Autores: 3
Tipo de documento: Artigo Científico
Fonte: PROCEEDINGS OF THE SEVENTEENTH (2007) INTERNATIONAL OFFSHORE AND POLAR ENGINEERING CONFERENCE, VOL 1- 4, PROCEEDINGS; v. N/A, p. 2-pg., 2007-01-01.
Resumo

Considering that time domain solutions for the dynamic analysis of a riser are very time-consuming tasks, frequency domain solutions are studied as a possible alternative, mainly in the early stages of a riser design. However, to solve the dynamic riser problem in frequency domain it is necessary to remove the non-linearities, such as, the viscous damping. The aim of this paper is to study and discuss alternatives for the damping linearization and compare the results obtained for a typical lazy-wave configuration with a full nonlinear code results. (AU)

Processo FAPESP: 03/14067-8 - Dinâmica não linear tridimensional de cabos submersos no domínio do tempo
Beneficiário:Fernanda Cristina de Moraes Takafuji
Modalidade de apoio: Bolsas no Brasil - Doutorado Direto