Reliability-based dynamic positioning of floating vessels with riser and mooring system
Estadístiques de LA Referencia / Recolecta
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/333136
Tipus de documentText en actes de congrés
Data publicació2011
EditorCIMNE
Condicions d'accésAccés obert
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Abstract
To maintain safety of a floating vessel with associated slender components
such as risers and mooring line, the vessel is normally kept within a limited region. To specify
a safe position in that region, this paper suggests a new position chasing algorithm with the
consideration of both riser angles and mooring line tensions. The riser angles were considered
in an object function in [1] and the mooring line tension was considered in an object function
in [2]. The contribution of this paper is to combine riser angle and mooring line tension
together in one unified object function. A combination of scaled riser angles and structural
reliability index is utilized to evaluate the “reserve capacity” relative to failure events. With
this object function, the riser angles and mooring line tension are considered in a unified
formulation, with higher weight added to the riser angles due to their criticality. An optimal
position set-point is produced by minimization of the value of the cost function. Numerical
simulations show the effectiveness of the proposed algorithm.
CitacióFang, S.; Leira, B.J.; Blanke, M. Reliability-based dynamic positioning of floating vessels with riser and mooring system. A: . CIMNE, 2011, p. 113-121.
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