Standards › Hydrodynamics
Vessel seakeeping
Vessel seakeeping — motions, natural periods, comfort
This page describes vessel seakeeping — motions, natural periods, comfort and the associated engineering assessment topics. Project use requires qualified inputs and engineering review.
Assessment topics
- Estimate vessel motions and accelerations from its RAOs and a sea state.
- Report roll, pitch and heave natural periods.
- Screen motion comfort and operability for the operation.
Related standards
Seakeeping
RAOs
Natural periods
Motion comfort
Operability
Questions
What does a seakeeping screen tell me?
How a vessel moves in a sea state — motions, accelerations and natural periods — and whether motion comfort and operability limits are met for the operation.
What inputs are needed?
The vessel's response amplitude operators (RAOs) and the sea state (wave height, period, spectrum).
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