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*FPFDX
Data format:
One line comprising 5 values followed by one line comprising NFPF integer values of nodes followed by an arbitrary number of lines comprising 13 values each, as follows:
ITOP0 YAWF ENCASD PSID NFPF
ITOP(1) ITOP(2) ... ITOP(NFPF)
PERIOD(1) ASURG(1) FISURG(1) ASWAY(1) FISWAY(1) AHEAV(1) FIHEAV(1) AROLL(1) FIROLL(1) APITCH(1) FIPITCH(1) AYAW(1) FIYAW(1)
...
PERIOD(N) ASURG(N) FISURG(N) ASWAY(N) FISWAY(N) AHEAV(N) FIHEAV(N) AROLL(N) FIROLL(N) APITCH(N) FIPITCH(N) AYAW(N) FIYAW(N)
Status:
Optional (time-domain dynamic analyses).
Purpose:
To define the position of the floating vessel ( Floating Production Facility) and its RAO at ITOP0, as well as other riser top nodes linked to the same RAO.
Restriction:
Keyword WAVE or WAVJON is required.
Details:
| Parameter | Description |
|---|---|
| ITOP0 | Identification number of the node attached to the FPF where te RAO are calculated |
| YAWF | angle between the Ox axis of the global reference and the FPF surge axis (degrees) |
| ENCASD | built-in angle /Oz(degrees) |
| PSID | built-in angle /Ox(degrees) |
| NFPF | Number of nodes attached to the FPF |
| ITOP(1) ... ITOP(NFPF) | Identification numbers of the nodes attached to the FPF |
| PERIOD(I) | periods at which the FPF transfer function is defined |
| ASURG(I) | Ratios of the amplitude of the FPF motion for surge at the corresponding PERIOD(I), to the amplitudes of the corresponding wave. |
| FISURG(I) | Motion RAO phase (degrees) for surge at the corresponding PERIOD(I) |
| ASWAY(I) | Ratios of the amplitude of the FPF motion for sway at the corresponding PERIOD(I), to the amplitudes of the corresponding wave. |
| FISWAY(I) | Motion RAO phase (degrees) for sway at the corresponding PERIOD(I) |
| AHEAV(I) | Ratios of the amplitude of the FPF motion for heave at the corresponding PERIOD(I), to the amplitudes of the corresponding wave. |
| FIHEAV(I) | Motion RAO phase (degrees) for heave at the corresponding PERIOD(I) |
| AROLL(I) | Ratios of the amplitude of the FPF motion for roll at the corresponding PERIOD(I), to the amplitudes of the corresponding wave. |
| FIROLL(I) | Motion RAO phase (degrees) for roll at the corresponding PERIOD(I) |
| APITCH(I) | Ratios of the amplitude of the FPF motion for pitch at the corresponding PERIOD(I), to the amplitudes of the corresponding wave. |
| FIPITCH(I) | Motion RAO phase (degrees) for pitch at the corresponding PERIOD(I) |
| AYAW(I) | Ratios of the amplitude of the FPF motion for yaw at the corresponding PERIOD(I), to the amplitudes of the corresponding wave. |
| FIYAW(I) | Motion RAO phase (degrees) for yaw at the correspnding PERIOD(I) |
Notes : see *FPFX notes
Examples : see *FPFX
