FLEXIBLE   AND   RIGID    RISERS    HYDRODYNAMIC
COEFFICIENTS  BY   MODEL   TESTING  AND   FINITE
ELEMENT METHOD

Antonio Carlos Fernandes; Marcio Martins Mourelle; Otavio Serta; Sergio da Silva; Paulo H.C.C. Parra

doi:10.2495/OE970271

FLEXIBLE AND RIGID RISERS HYDRODYNAMIC COEFFICIENTS BY MODEL TESTING AND FINITE ELEMENT METHOD

Price

Free (open access)

Transaction

WIT Transactions on The Built Environment

Volume

Pages

Published

1997

Size

1,056 kb

Paper DOI

10.2495/OE970271

WIT Press

Author(s)

Antonio Carlos Fernandes, Marcio Martins Mourelle, Otavio Serta, Sergio da Silva & Paulo H.C.C. Parra

Abstract

— The Design of SCR (Steel Catenary Risers) has been requiring the processing of Finite Element Method Programs both time and frequency domain for extreme and fatigue conditions. These Programs require the knowledge of the drag (Cpj) and mass (C^) coefficients for each riser element. However, not as the vertically span supported conventional risers, the rigid (also the flexible) risers oscillate a greater amount about the static equilibrium configuration. For the former, the Coefficients are taken only as a function of the Reynolds number, but for the latter, the influence of the oscillations, regulated by the Keulegan-Carpenter number, has to be taken into consideration. This normally

Keywords

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Code

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