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233:. Heel refers to an offset that is intentional or expected, as caused by wind pressure on sails, turning, or other crew actions. The rolling motion towards a steady state (or list) angle due to the ship's own weight distribution is referred in marine engineering as list. List normally refers to an unintentional or unexpected offset, as caused by flooding, battle damage, shifting cargo, etc.
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318:) motion. This motion is generated directly either by the water and wind motion, particularly lateral wave motion, exerting forces against the hull or by the ship's own propulsion; or indirectly by the inertia of the ship while turning. This movement can be compared to the vessel's lateral drift from its course.
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The turning rotation of a vessel about its vertical/Z axis. An offset or deviation from normal on this axis is referred to as deviation or set. This is referred to as the
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There are three special axes in any ship, called longitudinal, transverse and vertical axes. The movements around them are known as roll, pitch, and yaw respectively.
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is an imaginary line running horizontally across the ship and through the centre of mass. A pitch motion is an up-or-down movement of the bow and stern of the ship.
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The tilting rotation of a vessel about its longitudinal/X (front-back or bow-stern) axis. An offset or deviation from normal on this axis is referred to as
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There are methods for both passive and active motion stabilization used in some designs. They include static hull features such as
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194:. A roll motion is a side-to-side or port-starboard tilting motion of the superstructure around this axis.
446:), "Principles of Naval Architecture", 1989, Vol. III, Pg.41, Section 3 - Ship Responses to Regular Waves
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The up/down rotation of a vessel about its transverse/Y (side-to-side or port-starboard)
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Theoretical background and application of MANSIM for ship maneuvering simulations
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269:(or true heading if referenced to the true north pole); it also affects the
158:. A yaw motion is a side-to side movement of the bow and stern of the ship.
432: – Study of the performance, stability, and control of flying vehicles
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vertical (up/down) motion; excessive downward heave can swamp a ship.
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Sukas, Omer Faruk; Kinaci, Omer Kemal; Bal, Sakir (2019).
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Pages displaying short descriptions of redirect targets
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Pages displaying short descriptions of redirect targets
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Terms connected to the six degrees of freedom of motion
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that a ship, boat, or other watercraft, or indeed any
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442:Society of Naval Architects and Marine Engineers (
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393: – Engineering discipline of marine vessels
64:but its sources remain unclear because it lacks
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387: – Movement of an object around an axis
95:Learn how and when to remove this message
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206:Axes of a ship and rotations around them
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314:The linear transverse (side-to-side or
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212:Euler angles § Tait–Bryan angles
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470:Nautical terminology
210:For other uses, see
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391:Naval architecture
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124:degrees of freedom
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52:list of references
370:Tacking (sailing)
164:transverse/Y axis
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71:Please help
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294:The linear
251:out of trim
77:introducing
454:MANSIM Lab
437:References
397:Seakeeping
198:Rotational
173:pitch axis
138:See also:
128:conveyance
191:waterline
186:roll axis
464:Category
385:Rotation
358:See also
152:yaw axis
85:May 2022
271:bearing
267:compass
263:heading
113:typhoon
73:improve
328:linear
444:SNAME
340:skegs
322:Heave
304:stern
290:Surge
237:Pitch
184:, or
171:, or
150:, or
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364:Jibe
350:and
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247:trim
243:axis
231:heel
227:list
221:Roll
178:The
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257:Yaw
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