CFD simulations and model experiments of offshore support vessel with heavy suspended load in waves

Medientyp: E-Book

Titel: CFD simulations and model experiments of offshore support vessel with heavy suspended load in waves

Beteiligte: Araki, Motoki [Verfasser:in]; Otsubo, Kazuhisa [Verfasser:in]; Ishida, Kei [Verfasser:in]; Hasegawa, Kenta [Verfasser:in]; Sato, Hiroshi [Verfasser:in]; Ohashi, Kunihide [Verfasser:in]

Körperschaft: Technische Universität Hamburg, Institut für Fluiddynamik und Schiffstheorie ; Technische Universität Hamburg

Veranstaltung: International Workshop on Ship and Marine Hydrodynamics

Erschienen: Hamburg: Technische Universität Hamburg, Institut für Fluiddynamik und Schiffstheorie, [Sept-2019]

Umfang: 1 Online-Ressource (12 Seiten); Illustrationen, Diagramme

Sprache: Englisch

DOI: 10.15480/882.3306

Identifikator:

Schlagwörter: Computational Fluid Dynamics (CFD) ; Crane operation in wave ; Multibody dynamics ; Offshore construction

Entstehung:

Anmerkungen: Sonstige Körperschaft: Technische Universität Hamburg
Sonstige Körperschaft: 11th International Workshop on Ship and Marine Hydrodynamics, 2019, Hamburg

Beschreibung: Nowadays, since, subsea equipment becoming larger and heavier, risks of the lifting/lowering operations by offshore support vessel (OSV) are also increasing and thereby predicting coupling motions of the vessel and whirling equipment and hydrodynamic forces acting on the suspended load in splash zone are important to prevent clash accidents and damage on lifted subsea equipment etc. Model experiment using OSV with heavy suspended load was conducted in Deepsea Basin in National Maritime Research Institute (NMRI). The experiments were carried out with several regular and irregular waves and heading angles. The OSV was moored with 4 lined spring system. During the experiments, the motions of moored OSV and suspended load were measured with visual 3D motion capture system. Computation fluid dynamics (CFD) simulations were conducted using CFD Solver NAGISA which was developed in NMRI to investigate the dynamics and hydrodynamical aspects. Dynamic overset grid method and multibody dynamics model were applied to reproduce the coupling motions of the vessel and suspended load. The CFD simulations were carried out when the suspended load is in the splash zone to predict hydrodynamic forces acting on the lifted equipment. The CFD simulation results were validated with the model experiment comparing with motions of OSV and suspended load.

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